[INFO] fetching crate sum-queue 1.0.0...
[INFO] testing sum-queue-1.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate sum-queue 1.0.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate sum-queue 1.0.0 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 crates.io crate sum-queue 1.0.0
[INFO] finished tweaking crates.io crate sum-queue 1.0.0
[INFO] tweaked toml for crates.io crate sum-queue 1.0.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] b6c0f6026d19fdb7d243d4ca53ebef4607bad575d504c6f93d9eb92113087338
[INFO] running `Command { std: "docker" "start" "-a" "b6c0f6026d19fdb7d243d4ca53ebef4607bad575d504c6f93d9eb92113087338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6c0f6026d19fdb7d243d4ca53ebef4607bad575d504c6f93d9eb92113087338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6c0f6026d19fdb7d243d4ca53ebef4607bad575d504c6f93d9eb92113087338", kill_on_drop: false }`
[INFO] [stdout] b6c0f6026d19fdb7d243d4ca53ebef4607bad575d504c6f93d9eb92113087338
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] ab94d7624a6e4ef15888bfcc116d2762b51e3ee003e346c43e15565a0d03c2e4
[INFO] running `Command { std: "docker" "start" "-a" "ab94d7624a6e4ef15888bfcc116d2762b51e3ee003e346c43e15565a0d03c2e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling sum-queue v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "ab94d7624a6e4ef15888bfcc116d2762b51e3ee003e346c43e15565a0d03c2e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab94d7624a6e4ef15888bfcc116d2762b51e3ee003e346c43e15565a0d03c2e4", kill_on_drop: false }`
[INFO] [stdout] ab94d7624a6e4ef15888bfcc116d2762b51e3ee003e346c43e15565a0d03c2e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 0aa7b92d4a0ac895de24fc6b393e68c9ead3acf01c5bee5f650ad3596667c180
[INFO] running `Command { std: "docker" "start" "-a" "0aa7b92d4a0ac895de24fc6b393e68c9ead3acf01c5bee5f650ad3596667c180", kill_on_drop: false }`
[INFO] [stderr]    Compiling sum-queue v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "0aa7b92d4a0ac895de24fc6b393e68c9ead3acf01c5bee5f650ad3596667c180", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0aa7b92d4a0ac895de24fc6b393e68c9ead3acf01c5bee5f650ad3596667c180", kill_on_drop: false }`
[INFO] [stdout] 0aa7b92d4a0ac895de24fc6b393e68c9ead3acf01c5bee5f650ad3596667c180
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 6f8f792fc604ff5ab5912e34c704e99cf5879de118d0dd7d8ba16ccd9a46696f
[INFO] running `Command { std: "docker" "start" "-a" "6f8f792fc604ff5ab5912e34c704e99cf5879de118d0dd7d8ba16ccd9a46696f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sum_queue-85360620e26393f0)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::push_pop_peek ... ok
[INFO] [stdout] test tests::stats_empty_when_queue_not_initialized ... ok
[INFO] [stdout] test tests::len_clear ... ok
[INFO] [stdout] test tests::iter ... ok
[INFO] [stdout] test tests::push_pop_peek_refs ... ok
[INFO] [stdout] test tests::stats ... ok
[INFO] [stdout] test tests::expire_less_one_sec ... ok
[INFO] [stdout] test tests::expire ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sum-queue
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/lib.rs - SumQueue<T>::max_age (line 309) ... ok
[INFO] [stdout] test src/lib.rs - SumQueue<T>::iter (line 373) ... ok
[INFO] [stdout] test src/lib.rs - QueueStats (line 124) ... ok
[INFO] [stdout] test src/lib.rs - SumQueue<T>::peek (line 324) ... ok
[INFO] [stdout] test src/lib.rs - SumQueue<T>::capacity (line 296) ... ok
[INFO] [stdout] test src/lib.rs - SumQueue (line 175) ... ok
[INFO] [stdout] test src/lib.rs - SumQueue<T>::pop (line 345) ... ok
[INFO] [stdout] test src/lib.rs - SumQueue<T>::push_and_stats (line 442) ... ok
[INFO] [stdout] test src/lib.rs - SumQueue<T>::push (line 223) ... ok
[INFO] [stdout] test src/lib.rs - SumQueue<T>::stats (line 414) ... ok
[INFO] [stdout] test src/lib.rs - QueueStats (line 106) ... ok
[INFO] [stdout] test src/lib.rs - SumQueue<T>::is_empty (line 273) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.84s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6f8f792fc604ff5ab5912e34c704e99cf5879de118d0dd7d8ba16ccd9a46696f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f8f792fc604ff5ab5912e34c704e99cf5879de118d0dd7d8ba16ccd9a46696f", kill_on_drop: false }`
[INFO] [stdout] 6f8f792fc604ff5ab5912e34c704e99cf5879de118d0dd7d8ba16ccd9a46696f