[INFO] cloning repository https://github.com/helaan/stratum
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/helaan/stratum" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhelaan%2Fstratum", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhelaan%2Fstratum'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0c536f1acebff1d41430123bbb96d198d42cd18f
[INFO] testing helaan/stratum against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhelaan%2Fstratum" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/helaan/stratum on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/helaan/stratum
[INFO] finished tweaking git repo https://github.com/helaan/stratum
[INFO] tweaked toml for git repo https://github.com/helaan/stratum written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/helaan/stratum already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sized-chunks v0.1.1
[INFO] [stderr]   Downloaded flate2 v1.0.6
[INFO] [stderr]   Downloaded im v12.3.1
[INFO] [stderr]   Downloaded reqwest v0.9.11
[INFO] [stderr]   Downloaded nom v4.2.2
[INFO] [stderr]   Downloaded sentry-actix v0.15.1
[INFO] [stderr]   Downloaded openssl-sys v0.9.42
[INFO] [stderr]   Downloaded openssl v0.10.19
[INFO] [stderr]   Downloaded sentry v0.15.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4960915efcf8c4820e7e2456c88aa3ab9a819b522c0a524838fdc108964bdd34
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4960915efcf8c4820e7e2456c88aa3ab9a819b522c0a524838fdc108964bdd34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4960915efcf8c4820e7e2456c88aa3ab9a819b522c0a524838fdc108964bdd34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4960915efcf8c4820e7e2456c88aa3ab9a819b522c0a524838fdc108964bdd34", kill_on_drop: false }`
[INFO] [stdout] 4960915efcf8c4820e7e2456c88aa3ab9a819b522c0a524838fdc108964bdd34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d7af71d8a62cc9638f16641fad7c210b2bd1c968df1e7b09272cf7757f6b148
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5d7af71d8a62cc9638f16641fad7c210b2bd1c968df1e7b09272cf7757f6b148", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]    Compiling cc v1.0.30
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[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling openssl v0.10.19
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]    Compiling antidote v1.0.0
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]    Compiling termcolor v1.0.4
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[INFO] [stderr]    Compiling humansize v1.1.0
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[INFO] [stderr]    Compiling unicase v2.2.0
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[INFO] [stderr]    Compiling syn v0.15.27
[INFO] [stderr]    Compiling r2d2 v0.8.3
[INFO] [stderr]    Compiling tokio-timer v0.2.10
[INFO] [stderr]    Compiling tokio-current-thread v0.1.5
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[INFO] [stderr]    Compiling libflate v0.1.25
[INFO] [stderr]    Compiling mime v0.3.13
[INFO] [stderr]    Compiling rand_os v0.1.2
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[INFO] [stderr]    Compiling openssl-sys v0.9.42
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[INFO] [stderr]    Compiling miniz-sys v0.1.11
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[INFO] [stderr]    Compiling bytes v0.4.11
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling resolv-conf v0.6.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling env_logger v0.6.0
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling tokio-io v0.1.12
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[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.12
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling zip v0.5.2
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
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[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-signal v0.2.7
[INFO] [stderr]    Compiling stratum-web v0.1.0 (/opt/rustwide/workdir/stratum-web)
[INFO] [stderr]    Compiling tokio v0.1.16
[INFO] [stderr]    Compiling h2 v0.1.16
[INFO] [stderr]    Compiling cookie v0.11.0
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling hyper v0.12.25
[INFO] [stderr]    Compiling brotli2 v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling actix_derive v0.3.2
[INFO] [stderr]    Compiling v_escape_derive v0.2.1
[INFO] [stderr]    Compiling diesel_derives v1.4.0
[INFO] [stderr]    Compiling v_escape v0.3.2
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling v_htmlescape v0.3.2
[INFO] [stderr]    Compiling hyper-tls v0.3.1
[INFO] [stderr]    Compiling trust-dns-proto v0.6.3
[INFO] [stderr]    Compiling trust-dns-proto v0.5.0
[INFO] [stderr]    Compiling dotenv v0.13.0
[INFO] [stderr]    Compiling trust-dns-resolver v0.10.3
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling uuid v0.7.2
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling serde_urlencoded v0.5.4
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling url_serde v0.2.0
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling actix v0.7.9
[INFO] [stderr]    Compiling debugid v0.4.0
[INFO] [stderr]    Compiling diesel v1.4.1
[INFO] [stderr]    Compiling sentry-types v0.11.0
[INFO] [stderr]    Compiling reqwest v0.9.11
[INFO] [stderr]    Compiling askama_shared v0.8.0
[INFO] [stderr]    Compiling actix-net v0.2.6
[INFO] [stderr]    Compiling askama_derive v0.8.0
[INFO] [stderr]    Compiling actix-web v0.7.18
[INFO] [stderr]    Compiling sentry-actix v0.15.1
[INFO] [stderr]    Compiling askama v0.8.0
[INFO] [stderr]    Compiling stratum-db v0.1.0 (/opt/rustwide/workdir/stratum-db)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> stratum-db/src/lib.rs:52:74
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub struct Execute<P: 'static, I: Send + 'static, E: Send + 'static>(Box<FnExec<P, I, E>>);
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 52 - pub struct Execute<P: 'static, I: Send + 'static, E: Send + 'static>(Box<FnExec<P, I, E>>);
[INFO] [stdout] 52 + pub struct Execute<P: 'static, I: Send + 'static, E: Send + 'static>(Box<dyn FnExec<P, I, E>>);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling stratum-grader v0.1.0 (/opt/rustwide/workdir/stratum-grader)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> stratum-web/src/controllers/contest/scoreboard.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 | ) -> Result<Box<(Future<Item = impl Responder, Error = Error>)>, Error> {
[INFO] [stdout]    |                 ^                                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 32 - ) -> Result<Box<(Future<Item = impl Responder, Error = Error>)>, Error> {
[INFO] [stdout] 32 + ) -> Result<Box<Future<Item = impl Responder, Error = Error>>, Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> stratum-web/src/multipart.rs:37:10
[INFO] [stdout]    |
[INFO] [stdout] 37 | ) -> Box<Stream<Item = (String, Option<ContentDisposition>, BytesMut), Error = Error>> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 37 - ) -> Box<Stream<Item = (String, Option<ContentDisposition>, BytesMut), Error = Error>> {
[INFO] [stdout] 37 + ) -> Box<dyn Stream<Item = (String, Option<ContentDisposition>, BytesMut), Error = Error>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> stratum-web/src/controllers/contest/scoreboard.rs:32:18
[INFO] [stdout]    |
[INFO] [stdout] 32 | ) -> Result<Box<(Future<Item = impl Responder, Error = Error>)>, Error> {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 32 - ) -> Result<Box<(Future<Item = impl Responder, Error = Error>)>, Error> {
[INFO] [stdout] 32 + ) -> Result<Box<(dyn Future<Item = impl Responder, Error = Error>)>, Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 58s
[INFO] running `Command { std: "docker" "inspect" "5d7af71d8a62cc9638f16641fad7c210b2bd1c968df1e7b09272cf7757f6b148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d7af71d8a62cc9638f16641fad7c210b2bd1c968df1e7b09272cf7757f6b148", kill_on_drop: false }`
[INFO] [stdout] 5d7af71d8a62cc9638f16641fad7c210b2bd1c968df1e7b09272cf7757f6b148
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b003e0048915ccb656629f2daf7fbb8a88f63c979a45d6ffd3973343b1abd257
[INFO] running `Command { std: "docker" "start" "-a" "b003e0048915ccb656629f2daf7fbb8a88f63c979a45d6ffd3973343b1abd257", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> stratum-db/src/lib.rs:52:74
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub struct Execute<P: 'static, I: Send + 'static, E: Send + 'static>(Box<FnExec<P, I, E>>);
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 52 - pub struct Execute<P: 'static, I: Send + 'static, E: Send + 'static>(Box<FnExec<P, I, E>>);
[INFO] [stdout] 52 + pub struct Execute<P: 'static, I: Send + 'static, E: Send + 'static>(Box<dyn FnExec<P, I, E>>);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling stratum-db v0.1.0 (/opt/rustwide/workdir/stratum-db)
[INFO] [stderr]    Compiling stratum-grader v0.1.0 (/opt/rustwide/workdir/stratum-grader)
[INFO] [stderr]    Compiling stratum-web v0.1.0 (/opt/rustwide/workdir/stratum-web)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> stratum-web/src/controllers/contest/scoreboard.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 | ) -> Result<Box<(Future<Item = impl Responder, Error = Error>)>, Error> {
[INFO] [stdout]    |                 ^                                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 32 - ) -> Result<Box<(Future<Item = impl Responder, Error = Error>)>, Error> {
[INFO] [stdout] 32 + ) -> Result<Box<Future<Item = impl Responder, Error = Error>>, Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> stratum-db/src/lib.rs:52:74
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub struct Execute<P: 'static, I: Send + 'static, E: Send + 'static>(Box<FnExec<P, I, E>>);
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 52 - pub struct Execute<P: 'static, I: Send + 'static, E: Send + 'static>(Box<FnExec<P, I, E>>);
[INFO] [stdout] 52 + pub struct Execute<P: 'static, I: Send + 'static, E: Send + 'static>(Box<dyn FnExec<P, I, E>>);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> stratum-web/src/multipart.rs:37:10
[INFO] [stdout]    |
[INFO] [stdout] 37 | ) -> Box<Stream<Item = (String, Option<ContentDisposition>, BytesMut), Error = Error>> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 37 - ) -> Box<Stream<Item = (String, Option<ContentDisposition>, BytesMut), Error = Error>> {
[INFO] [stdout] 37 + ) -> Box<dyn Stream<Item = (String, Option<ContentDisposition>, BytesMut), Error = Error>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> stratum-web/src/controllers/contest/scoreboard.rs:32:18
[INFO] [stdout]    |
[INFO] [stdout] 32 | ) -> Result<Box<(Future<Item = impl Responder, Error = Error>)>, Error> {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 32 - ) -> Result<Box<(Future<Item = impl Responder, Error = Error>)>, Error> {
[INFO] [stdout] 32 + ) -> Result<Box<(dyn Future<Item = impl Responder, Error = Error>)>, Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.82s
[INFO] running `Command { std: "docker" "inspect" "b003e0048915ccb656629f2daf7fbb8a88f63c979a45d6ffd3973343b1abd257", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b003e0048915ccb656629f2daf7fbb8a88f63c979a45d6ffd3973343b1abd257", kill_on_drop: false }`
[INFO] [stdout] b003e0048915ccb656629f2daf7fbb8a88f63c979a45d6ffd3973343b1abd257
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c3f889a17c40b23bb1e3781d25fdbf391c13debf2cbaf962bc523729ed2fb596
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c3f889a17c40b23bb1e3781d25fdbf391c13debf2cbaf962bc523729ed2fb596", 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]   --> stratum-db/src/lib.rs:52:74
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub struct Execute<P: 'static, I: Send + 'static, E: Send + 'static>(Box<FnExec<P, I, E>>);
[INFO] [stderr]    |                                                                          ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) 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] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 52 - pub struct Execute<P: 'static, I: Send + 'static, E: Send + 'static>(Box<FnExec<P, I, E>>);
[INFO] [stderr] 52 + pub struct Execute<P: 'static, I: Send + 'static, E: Send + 'static>(Box<dyn FnExec<P, I, E>>);
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: `stratum-db` (lib) generated 1 warning
[INFO] [stdout] running 0 tests
[INFO] [stderr] warning: `stratum-db` (lib test) generated 1 warning (1 duplicate)
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   --> stratum-web/src/controllers/contest/scoreboard.rs:32:17
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr] 32 | ) -> Result<Box<(Future<Item = impl Responder, Error = Error>)>, Error> {
[INFO] [stderr]    |                 ^                                            ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 32 - ) -> Result<Box<(Future<Item = impl Responder, Error = Error>)>, Error> {
[INFO] [stderr] 32 + ) -> Result<Box<Future<Item = impl Responder, Error = Error>>, Error> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> stratum-web/src/multipart.rs:37:10
[INFO] [stderr]    |
[INFO] [stderr] 37 | ) -> Box<Stream<Item = (String, Option<ContentDisposition>, BytesMut), Error = Error>> {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) 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] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 37 - ) -> Box<Stream<Item = (String, Option<ContentDisposition>, BytesMut), Error = Error>> {
[INFO] [stderr] 37 + ) -> Box<dyn Stream<Item = (String, Option<ContentDisposition>, BytesMut), Error = Error>> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> stratum-web/src/controllers/contest/scoreboard.rs:32:18
[INFO] [stderr]    |
[INFO] [stderr] 32 | ) -> Result<Box<(Future<Item = impl Responder, Error = Error>)>, Error> {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) 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] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 32 - ) -> Result<Box<(Future<Item = impl Responder, Error = Error>)>, Error> {
[INFO] [stderr] 32 + ) -> Result<Box<(dyn Future<Item = impl Responder, Error = Error>)>, Error> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `stratum-web` (bin "stratum-web" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stratum_db-3aaffca78de6f020)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stratum_grader-5deba471b3ff7c3c)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stratum_web-1bf83549de49132d)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests stratum-db
[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] [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" "c3f889a17c40b23bb1e3781d25fdbf391c13debf2cbaf962bc523729ed2fb596", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3f889a17c40b23bb1e3781d25fdbf391c13debf2cbaf962bc523729ed2fb596", kill_on_drop: false }`
[INFO] [stdout] c3f889a17c40b23bb1e3781d25fdbf391c13debf2cbaf962bc523729ed2fb596