[INFO] cloning repository https://github.com/mgax/dedup
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mgax/dedup" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgax%2Fdedup", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgax%2Fdedup'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3a647cc46255876b23652711f3bc66cf2b16b2b9
[INFO] testing mgax/dedup against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgax%2Fdedup" "/workspace/builds/worker-49/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-49/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mgax/dedup on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mgax/dedup
[INFO] finished tweaking git repo https://github.com/mgax/dedup
[INFO] tweaked toml for git repo https://github.com/mgax/dedup written to /workspace/builds/worker-49/source/Cargo.toml
[INFO] crate git repo https://github.com/mgax/dedup already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3a71237016f9e89de3a80b1b32679781b54394882032922ec44c27eb7f0c14c
[INFO] running `Command { std: "docker" "start" "-a" "d3a71237016f9e89de3a80b1b32679781b54394882032922ec44c27eb7f0c14c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3a71237016f9e89de3a80b1b32679781b54394882032922ec44c27eb7f0c14c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3a71237016f9e89de3a80b1b32679781b54394882032922ec44c27eb7f0c14c", kill_on_drop: false }`
[INFO] [stdout] d3a71237016f9e89de3a80b1b32679781b54394882032922ec44c27eb7f0c14c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 580b7624c5d0ac6c619ae106531520b49550e24597826a71d79d6bbefec5b9ae
[INFO] running `Command { std: "docker" "start" "-a" "580b7624c5d0ac6c619ae106531520b49550e24597826a71d79d6bbefec5b9ae", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.18
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling gcc v0.3.41
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.4.0
[INFO] [stderr]    Compiling rustc-serialize v0.3.22
[INFO] [stderr]    Compiling adler32 v0.3.0
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling thread-id v3.0.0
[INFO] [stderr]    Compiling memchr v1.0.0
[INFO] [stderr]    Compiling thread_local v0.3.2
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling time v0.1.35
[INFO] [stderr]    Compiling tempfile v2.1.4
[INFO] [stderr]    Compiling regex v0.2.0
[INFO] [stderr]    Compiling dedup v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/deduplicator.rs:9:21
[INFO] [stdout]   |
[INFO] [stdout] 9 |     reader: &'a mut Read,
[INFO] [stdout]   |                     ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/deduplicator.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 |     repo: &'b mut Repo,
[INFO] [stdout]    |                   ^^^^ help: use `dyn`: `dyn Repo`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/deduplicator.rs:60:17
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let n = try!(self.reader.read(&mut buffer).map_err(SaveError::Io));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/deduplicator.rs:74:23
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 match try!(self.next_byte()) {
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/deduplicator.rs:101:23
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 match try!(self.next_byte()) {
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/deduplicator.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |         try!(deduplicator.consume());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deduplicator.rs:122:32
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn store(repo: &'b mut Repo, name: &str, reader: &'a mut Read) -> Result<Stats, SaveError> {
[INFO] [stdout]     |                                ^^^^ help: use `dyn`: `dyn Repo`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deduplicator.rs:122:66
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn store(repo: &'b mut Repo, name: &str, reader: &'a mut Read) -> Result<Stats, SaveError> {
[INFO] [stdout]     |                                                                  ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:35:24
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn save(repo: &mut Repo, name: &str, reader: &mut Read) -> Result<Stats, SaveError> {
[INFO] [stdout]    |                        ^^^^ help: use `dyn`: `dyn Repo`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:35:55
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn save(repo: &mut Repo, name: &str, reader: &mut Read) -> Result<Stats, SaveError> {
[INFO] [stdout]    |                                                       ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:39:20
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn load(repo: &Repo, name: &str, writer: &mut Write) -> Result<(), LoadError> {
[INFO] [stdout]    |                    ^^^^ help: use `dyn`: `dyn Repo`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:39:51
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn load(repo: &Repo, name: &str, writer: &mut Write) -> Result<(), LoadError> {
[INFO] [stdout]    |                                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         try!(writer.write(&block).map_err(LoadError::Io));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:40:22
[INFO] [stdout]    |
[INFO] [stdout] 40 |     for block_key in try!(repo.read_file(name)).iter() {
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:41:21
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let block = try!(repo.read_block(block_key));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.56s
[INFO] running `Command { std: "docker" "inspect" "580b7624c5d0ac6c619ae106531520b49550e24597826a71d79d6bbefec5b9ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "580b7624c5d0ac6c619ae106531520b49550e24597826a71d79d6bbefec5b9ae", kill_on_drop: false }`
[INFO] [stdout] 580b7624c5d0ac6c619ae106531520b49550e24597826a71d79d6bbefec5b9ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e558c78b1760293291bd4981409254af54df8ea28f32a219544f3a6a19fda577
[INFO] running `Command { std: "docker" "start" "-a" "e558c78b1760293291bd4981409254af54df8ea28f32a219544f3a6a19fda577", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling dedup v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/deduplicator.rs:9:21
[INFO] [stdout]   |
[INFO] [stdout] 9 |     reader: &'a mut Read,
[INFO] [stdout]   |                     ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/deduplicator.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 |     repo: &'b mut Repo,
[INFO] [stdout]    |                   ^^^^ help: use `dyn`: `dyn Repo`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/deduplicator.rs:60:17
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let n = try!(self.reader.read(&mut buffer).map_err(SaveError::Io));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/deduplicator.rs:74:23
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 match try!(self.next_byte()) {
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/deduplicator.rs:101:23
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 match try!(self.next_byte()) {
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/deduplicator.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |         try!(deduplicator.consume());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deduplicator.rs:122:32
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn store(repo: &'b mut Repo, name: &str, reader: &'a mut Read) -> Result<Stats, SaveError> {
[INFO] [stdout]     |                                ^^^^ help: use `dyn`: `dyn Repo`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deduplicator.rs:122:66
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn store(repo: &'b mut Repo, name: &str, reader: &'a mut Read) -> Result<Stats, SaveError> {
[INFO] [stdout]     |                                                                  ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:35:24
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn save(repo: &mut Repo, name: &str, reader: &mut Read) -> Result<Stats, SaveError> {
[INFO] [stdout]    |                        ^^^^ help: use `dyn`: `dyn Repo`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:35:55
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn save(repo: &mut Repo, name: &str, reader: &mut Read) -> Result<Stats, SaveError> {
[INFO] [stdout]    |                                                       ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:39:20
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn load(repo: &Repo, name: &str, writer: &mut Write) -> Result<(), LoadError> {
[INFO] [stdout]    |                    ^^^^ help: use `dyn`: `dyn Repo`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:39:51
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn load(repo: &Repo, name: &str, writer: &mut Write) -> Result<(), LoadError> {
[INFO] [stdout]    |                                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         try!(writer.write(&block).map_err(LoadError::Io));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:40:22
[INFO] [stdout]    |
[INFO] [stdout] 40 |     for block_key in try!(repo.read_file(name)).iter() {
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:41:21
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let block = try!(repo.read_block(block_key));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/deduplicator.rs:9:21
[INFO] [stdout]   |
[INFO] [stdout] 9 |     reader: &'a mut Read,
[INFO] [stdout]   |                     ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/deduplicator.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 |     repo: &'b mut Repo,
[INFO] [stdout]    |                   ^^^^ help: use `dyn`: `dyn Repo`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/deduplicator.rs:60:17
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let n = try!(self.reader.read(&mut buffer).map_err(SaveError::Io));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/deduplicator.rs:74:23
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 match try!(self.next_byte()) {
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/deduplicator.rs:101:23
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 match try!(self.next_byte()) {
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/deduplicator.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |         try!(deduplicator.consume());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deduplicator.rs:122:32
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn store(repo: &'b mut Repo, name: &str, reader: &'a mut Read) -> Result<Stats, SaveError> {
[INFO] [stdout]     |                                ^^^^ help: use `dyn`: `dyn Repo`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deduplicator.rs:122:66
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn store(repo: &'b mut Repo, name: &str, reader: &'a mut Read) -> Result<Stats, SaveError> {
[INFO] [stdout]     |                                                                  ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/testsuite.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn _load(repo: &Repo, name: &str) -> Vec<u8> {
[INFO] [stdout]   |                 ^^^^ help: use `dyn`: `dyn Repo`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/testsuite.rs:11:37
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn single_small_file(repo: &mut Repo) {
[INFO] [stdout]    |                                     ^^^^ help: use `dyn`: `dyn Repo`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/testsuite.rs:17:35
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn two_small_files(repo: &mut Repo) {
[INFO] [stdout]    |                                   ^^^^ help: use `dyn`: `dyn Repo`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/testsuite.rs:26:35
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn not_found_error(repo: &mut Repo) {
[INFO] [stdout]    |                                   ^^^^ help: use `dyn`: `dyn Repo`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:35:24
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn save(repo: &mut Repo, name: &str, reader: &mut Read) -> Result<Stats, SaveError> {
[INFO] [stdout]    |                        ^^^^ help: use `dyn`: `dyn Repo`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:35:55
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn save(repo: &mut Repo, name: &str, reader: &mut Read) -> Result<Stats, SaveError> {
[INFO] [stdout]    |                                                       ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:39:20
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn load(repo: &Repo, name: &str, writer: &mut Write) -> Result<(), LoadError> {
[INFO] [stdout]    |                    ^^^^ help: use `dyn`: `dyn Repo`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:39:51
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn load(repo: &Repo, name: &str, writer: &mut Write) -> Result<(), LoadError> {
[INFO] [stdout]    |                                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         try!(writer.write(&block).map_err(LoadError::Io));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:40:22
[INFO] [stdout]    |
[INFO] [stdout] 40 |     for block_key in try!(repo.read_file(name)).iter() {
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:41:21
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let block = try!(repo.read_block(block_key));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.12s
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e558c78b1760293291bd4981409254af54df8ea28f32a219544f3a6a19fda577", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e558c78b1760293291bd4981409254af54df8ea28f32a219544f3a6a19fda577", kill_on_drop: false }`
[INFO] [stdout] e558c78b1760293291bd4981409254af54df8ea28f32a219544f3a6a19fda577
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 35f64bffd4e5f53e5cca4a51bd8f543efc142a9553d971ed5e9f7db2823da067
[INFO] running `Command { std: "docker" "start" "-a" "35f64bffd4e5f53e5cca4a51bd8f543efc142a9553d971ed5e9f7db2823da067", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/deduplicator.rs:9:21
[INFO] [stderr]   |
[INFO] [stderr] 9 |     reader: &'a mut Read,
[INFO] [stderr]   |                     ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/deduplicator.rs:10:19
[INFO] [stderr]    |
[INFO] [stderr] 10 |     repo: &'b mut Repo,
[INFO] [stderr]    |                   ^^^^ help: use `dyn`: `dyn Repo`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/deduplicator.rs:60:17
[INFO] [stderr]    |
[INFO] [stderr] 60 |         let n = try!(self.reader.read(&mut buffer).map_err(SaveError::Io));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/deduplicator.rs:74:23
[INFO] [stderr]    |
[INFO] [stderr] 74 |                 match try!(self.next_byte()) {
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/deduplicator.rs:101:23
[INFO] [stderr]     |
[INFO] [stderr] 101 |                 match try!(self.next_byte()) {
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/deduplicator.rs:135:9
[INFO] [stderr]     |
[INFO] [stderr] 135 |         try!(deduplicator.consume());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/deduplicator.rs:122:32
[INFO] [stderr]     |
[INFO] [stderr] 122 |     pub fn store(repo: &'b mut Repo, name: &str, reader: &'a mut Read) -> Result<Stats, SaveError> {
[INFO] [stderr]     |                                ^^^^ help: use `dyn`: `dyn Repo`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/deduplicator.rs:122:66
[INFO] [stderr]     |
[INFO] [stderr] 122 |     pub fn store(repo: &'b mut Repo, name: &str, reader: &'a mut Read) -> Result<Stats, SaveError> {
[INFO] [stderr]     |                                                                  ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:35:24
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub fn save(repo: &mut Repo, name: &str, reader: &mut Read) -> Result<Stats, SaveError> {
[INFO] [stderr]    |                        ^^^^ help: use `dyn`: `dyn Repo`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:35:55
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub fn save(repo: &mut Repo, name: &str, reader: &mut Read) -> Result<Stats, SaveError> {
[INFO] [stderr]    |                                                       ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:39:20
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub fn load(repo: &Repo, name: &str, writer: &mut Write) -> Result<(), LoadError> {
[INFO] [stderr]    |                    ^^^^ help: use `dyn`: `dyn Repo`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:39:51
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub fn load(repo: &Repo, name: &str, writer: &mut Write) -> Result<(), LoadError> {
[INFO] [stderr]    |                                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |         try!(writer.write(&block).map_err(LoadError::Io));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:40:22
[INFO] [stderr]    |
[INFO] [stderr] 40 |     for block_key in try!(repo.read_file(name)).iter() {
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:41:21
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let block = try!(repo.read_block(block_key));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/testsuite.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn _load(repo: &Repo, name: &str) -> Vec<u8> {
[INFO] [stderr]   |                 ^^^^ help: use `dyn`: `dyn Repo`
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/testsuite.rs:11:37
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn single_small_file(repo: &mut Repo) {
[INFO] [stderr]    |                                     ^^^^ help: use `dyn`: `dyn Repo`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/testsuite.rs:17:35
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn two_small_files(repo: &mut Repo) {
[INFO] [stderr]    |                                   ^^^^ help: use `dyn`: `dyn Repo`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/testsuite.rs:26:35
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub fn not_found_error(repo: &mut Repo) {
[INFO] [stderr]    |                                   ^^^^ help: use `dyn`: `dyn Repo`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `dedup` (lib) generated 15 warnings
[INFO] [stderr] warning: `dedup` (lib test) generated 19 warnings (15 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dedup-a9c95e07eac98857)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test memory_repo::tests::corrupt_db_error ... ok
[INFO] [stdout] test memory_repo::tests::not_found_error ... ok
[INFO] [stdout] test memory_repo::tests::single_small_file ... ok
[INFO] [stdout] test memory_repo::tests::two_small_files ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stresstest-c30c4a94e11535fa)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dedup
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "35f64bffd4e5f53e5cca4a51bd8f543efc142a9553d971ed5e9f7db2823da067", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35f64bffd4e5f53e5cca4a51bd8f543efc142a9553d971ed5e9f7db2823da067", kill_on_drop: false }`
[INFO] [stdout] 35f64bffd4e5f53e5cca4a51bd8f543efc142a9553d971ed5e9f7db2823da067