[INFO] updating cached repository https://github.com/mgax/dedup
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3a647cc46255876b23652711f3bc66cf2b16b2b9
[INFO] testing mgax/dedup against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgax%2Fdedup" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mgax/dedup on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[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 work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/mgax/dedup already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 798a689f72cef7f6688746e47ceb3cf00b51c893e00ffde55b9b6bfdab1743c9
[INFO] running `"docker" "start" "-a" "798a689f72cef7f6688746e47ceb3cf00b51c893e00ffde55b9b6bfdab1743c9"`
[INFO] [stderr]    Compiling gcc v0.3.41
[INFO] [stderr]    Compiling adler32 v0.3.0
[INFO] [stderr]    Compiling thread-id v3.0.0
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling memchr v1.0.0
[INFO] [stderr]    Compiling tempfile v2.1.4
[INFO] [stderr]    Compiling thread_local v0.3.2
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling regex v0.2.0
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling dedup v0.1.0 (/opt/rustwide/workdir)
[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] 
[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: 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: 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: 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: 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: 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: 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]     Finished dev [unoptimized + debuginfo] target(s) in 9.86s
[INFO] running `"docker" "inspect" "798a689f72cef7f6688746e47ceb3cf00b51c893e00ffde55b9b6bfdab1743c9"`
[INFO] running `"docker" "rm" "-f" "798a689f72cef7f6688746e47ceb3cf00b51c893e00ffde55b9b6bfdab1743c9"`
[INFO] [stdout] 798a689f72cef7f6688746e47ceb3cf00b51c893e00ffde55b9b6bfdab1743c9
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] c1bce42db6309394f6cfa7dc4b75e45f9ae0d5528a45a4b6f72de925a8827bf4
[INFO] running `"docker" "start" "-a" "c1bce42db6309394f6cfa7dc4b75e45f9ae0d5528a45a4b6f72de925a8827bf4"`
[INFO] [stderr]    Compiling dedup v0.1.0 (/opt/rustwide/workdir)
[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] 
[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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "c1bce42db6309394f6cfa7dc4b75e45f9ae0d5528a45a4b6f72de925a8827bf4"`
[INFO] running `"docker" "rm" "-f" "c1bce42db6309394f6cfa7dc4b75e45f9ae0d5528a45a4b6f72de925a8827bf4"`
[INFO] [stdout] c1bce42db6309394f6cfa7dc4b75e45f9ae0d5528a45a4b6f72de925a8827bf4
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] d6eada6eb2b7a40bae4c604e18bf2c1059e9bd6d59a46605406dfd6029cfe261
[INFO] running `"docker" "start" "-a" "d6eada6eb2b7a40bae4c604e18bf2c1059e9bd6d59a46605406dfd6029cfe261"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dedup-ee319d0eece9017b
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test memory_repo::tests::not_found_error ... ok
[INFO] [stdout] test memory_repo::tests::corrupt_db_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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/stresstest-a087aa74afbce63c
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dedup
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d6eada6eb2b7a40bae4c604e18bf2c1059e9bd6d59a46605406dfd6029cfe261"`
[INFO] running `"docker" "rm" "-f" "d6eada6eb2b7a40bae4c604e18bf2c1059e9bd6d59a46605406dfd6029cfe261"`
[INFO] [stdout] d6eada6eb2b7a40bae4c604e18bf2c1059e9bd6d59a46605406dfd6029cfe261