[INFO] fetching crate b2sum 0.4.0...
[INFO] testing b2sum-0.4.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate b2sum 0.4.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate b2sum 0.4.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate b2sum 0.4.0
[INFO] finished tweaking crates.io crate b2sum 0.4.0
[INFO] tweaked toml for crates.io crate b2sum 0.4.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate b2sum 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53d31f183cbb342c55899bb66ed842dc2db3ce39e001a130e5661fbfe7eda76b
[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" "53d31f183cbb342c55899bb66ed842dc2db3ce39e001a130e5661fbfe7eda76b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53d31f183cbb342c55899bb66ed842dc2db3ce39e001a130e5661fbfe7eda76b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53d31f183cbb342c55899bb66ed842dc2db3ce39e001a130e5661fbfe7eda76b", kill_on_drop: false }`
[INFO] [stdout] 53d31f183cbb342c55899bb66ed842dc2db3ce39e001a130e5661fbfe7eda76b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5625e622a7fa2c8f86087ddf9b3320eeef8ee96677acad05642711229961166b
[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" "5625e622a7fa2c8f86087ddf9b3320eeef8ee96677acad05642711229961166b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling object v0.23.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling blake2b_simd v0.5.11
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling addr2line v0.14.1
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]    Compiling backtrace v0.3.56
[INFO] [stderr]    Compiling stable-eyre v0.2.2
[INFO] [stderr]    Compiling docopt v1.1.1
[INFO] [stderr]    Compiling b2sum v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.80s
[INFO] running `Command { std: "docker" "inspect" "5625e622a7fa2c8f86087ddf9b3320eeef8ee96677acad05642711229961166b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5625e622a7fa2c8f86087ddf9b3320eeef8ee96677acad05642711229961166b", kill_on_drop: false }`
[INFO] [stdout] 5625e622a7fa2c8f86087ddf9b3320eeef8ee96677acad05642711229961166b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7c7710d00c9e02e8f3f14aee36e5fcfe9c5cff142ad78755c00a3e382b92084
[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" "d7c7710d00c9e02e8f3f14aee36e5fcfe9c5cff142ad78755c00a3e382b92084", kill_on_drop: false }`
[INFO] [stderr]    Compiling b2sum v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.00s
[INFO] running `Command { std: "docker" "inspect" "d7c7710d00c9e02e8f3f14aee36e5fcfe9c5cff142ad78755c00a3e382b92084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7c7710d00c9e02e8f3f14aee36e5fcfe9c5cff142ad78755c00a3e382b92084", kill_on_drop: false }`
[INFO] [stdout] d7c7710d00c9e02e8f3f14aee36e5fcfe9c5cff142ad78755c00a3e382b92084
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fc5cf94bc1cbb8957fb80f6d7a29f8d5c0d8d4ea384c68264a117b8367e4f118
[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" "fc5cf94bc1cbb8957fb80f6d7a29f8d5c0d8d4ea384c68264a117b8367e4f118", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/b2sum-3e19ecd666d48dcf)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::split_check_line_with_truncated_line ... ok
[INFO] [stdout] test tests::split_check_line_with_valid_line ... ok
[INFO] [stdout] test tests::test_hash_formatting ... ok
[INFO] [stdout] test tests::split_check_line_with_too_small_hash ... ok
[INFO] [stdout] test tests::split_check_line_with_missing_filename ... ok
[INFO] [stdout] test tests::split_check_line_with_non_even_hash ... ok
[INFO] [stdout] test tests::split_check_line_with_too_long_hash ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fc5cf94bc1cbb8957fb80f6d7a29f8d5c0d8d4ea384c68264a117b8367e4f118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc5cf94bc1cbb8957fb80f6d7a29f8d5c0d8d4ea384c68264a117b8367e4f118", kill_on_drop: false }`
[INFO] [stdout] fc5cf94bc1cbb8957fb80f6d7a29f8d5c0d8d4ea384c68264a117b8367e4f118