[INFO] cloning repository https://github.com/DemarcatedTitle/replicate.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DemarcatedTitle/replicate.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDemarcatedTitle%2Freplicate.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDemarcatedTitle%2Freplicate.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da5076833539dd90fa70f125850b5a2baa6d8cd2
[INFO] testing DemarcatedTitle/replicate.rs against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDemarcatedTitle%2Freplicate.rs" "/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/DemarcatedTitle/replicate.rs on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DemarcatedTitle/replicate.rs
[INFO] finished tweaking git repo https://github.com/DemarcatedTitle/replicate.rs
[INFO] tweaked toml for git repo https://github.com/DemarcatedTitle/replicate.rs written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/DemarcatedTitle/replicate.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v0.4.26
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0ab807def9b4ce91189abef8259a8631386381d5797251d17a833f8bc2cb82d
[INFO] running `Command { std: "docker" "start" "-a" "b0ab807def9b4ce91189abef8259a8631386381d5797251d17a833f8bc2cb82d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0ab807def9b4ce91189abef8259a8631386381d5797251d17a833f8bc2cb82d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0ab807def9b4ce91189abef8259a8631386381d5797251d17a833f8bc2cb82d", kill_on_drop: false }`
[INFO] [stdout] b0ab807def9b4ce91189abef8259a8631386381d5797251d17a833f8bc2cb82d
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82ceb93e512b7ccbc8c789ca8e87ebc57f1d0ff40255d2593ce8cafb2c611aa0
[INFO] running `Command { std: "docker" "start" "-a" "82ceb93e512b7ccbc8c789ca8e87ebc57f1d0ff40255d2593ce8cafb2c611aa0", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.26
[INFO] [stderr]    Compiling libc v0.2.47
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling safe-transmute v0.10.1
[INFO] [stderr]    Compiling deflate v0.7.19
[INFO] [stderr]    Compiling inflate v0.4.4
[INFO] [stderr]    Compiling gif v0.10.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling num_cpus v1.9.0
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling png v0.14.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling tiff v0.2.1
[INFO] [stderr]    Compiling image v0.21.0
[INFO] [stderr]    Compiling replicate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `usize`
[INFO] [stdout]   --> src/lib.rs:48:14
[INFO] [stdout]    |
[INFO] [stdout] 48 |         Some(usize) => {
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_usize`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.76s
[INFO] running `Command { std: "docker" "inspect" "82ceb93e512b7ccbc8c789ca8e87ebc57f1d0ff40255d2593ce8cafb2c611aa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82ceb93e512b7ccbc8c789ca8e87ebc57f1d0ff40255d2593ce8cafb2c611aa0", kill_on_drop: false }`
[INFO] [stdout] 82ceb93e512b7ccbc8c789ca8e87ebc57f1d0ff40255d2593ce8cafb2c611aa0
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e88e964e7fd074056046eb0a21b273445820bbd5f1fd17d4b073c858b80b047
[INFO] running `Command { std: "docker" "start" "-a" "6e88e964e7fd074056046eb0a21b273445820bbd5f1fd17d4b073c858b80b047", kill_on_drop: false }`
[INFO] [stderr]    Compiling replicate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `usize`
[INFO] [stdout]   --> src/lib.rs:48:14
[INFO] [stdout]    |
[INFO] [stdout] 48 |         Some(usize) => {
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_usize`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `usize`
[INFO] [stdout]   --> src/lib.rs:48:14
[INFO] [stdout]    |
[INFO] [stdout] 48 |         Some(usize) => {
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_usize`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "6e88e964e7fd074056046eb0a21b273445820bbd5f1fd17d4b073c858b80b047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e88e964e7fd074056046eb0a21b273445820bbd5f1fd17d4b073c858b80b047", kill_on_drop: false }`
[INFO] [stdout] 6e88e964e7fd074056046eb0a21b273445820bbd5f1fd17d4b073c858b80b047
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bee90c26af965eba537ceed33af1b0989671df36a0c049dafbae37c0f1c09fe3
[INFO] running `Command { std: "docker" "start" "-a" "bee90c26af965eba537ceed33af1b0989671df36a0c049dafbae37c0f1c09fe3", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `usize`
[INFO] [stderr]   --> src/lib.rs:48:14
[INFO] [stderr]    |
[INFO] [stderr] 48 |         Some(usize) => {
[INFO] [stderr]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_usize`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `replicate` (lib) generated 1 warning
[INFO] [stderr] warning: `replicate` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/replicate-626bcaaef58ea965)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/replicate-a1b94476f34c9295)
[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] [stderr]    Doc-tests replicate
[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" "bee90c26af965eba537ceed33af1b0989671df36a0c049dafbae37c0f1c09fe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bee90c26af965eba537ceed33af1b0989671df36a0c049dafbae37c0f1c09fe3", kill_on_drop: false }`
[INFO] [stdout] bee90c26af965eba537ceed33af1b0989671df36a0c049dafbae37c0f1c09fe3