[INFO] fetching crate samplr 0.1.0...
[INFO] testing samplr-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate samplr 0.1.0 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate samplr 0.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate samplr 0.1.0
[INFO] finished tweaking crates.io crate samplr 0.1.0
[INFO] tweaked toml for crates.io crate samplr 0.1.0 written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] crate crates.io crate samplr 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded test-case v1.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 355c92902824db32e9ed73fbac8130e28c4b3c379958e1e39f7283369acaee1c
[INFO] running `Command { std: "docker" "start" "-a" "355c92902824db32e9ed73fbac8130e28c4b3c379958e1e39f7283369acaee1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "355c92902824db32e9ed73fbac8130e28c4b3c379958e1e39f7283369acaee1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "355c92902824db32e9ed73fbac8130e28c4b3c379958e1e39f7283369acaee1c", kill_on_drop: false }`
[INFO] [stdout] 355c92902824db32e9ed73fbac8130e28c4b3c379958e1e39f7283369acaee1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42f3562a3a3a62ab32dc63e8b33e973df82ece65c980c8f09f90adc738bbb561
[INFO] running `Command { std: "docker" "start" "-a" "42f3562a3a3a62ab32dc63e8b33e973df82ece65c980c8f09f90adc738bbb561", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling samplr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.80s
[INFO] running `Command { std: "docker" "inspect" "42f3562a3a3a62ab32dc63e8b33e973df82ece65c980c8f09f90adc738bbb561", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42f3562a3a3a62ab32dc63e8b33e973df82ece65c980c8f09f90adc738bbb561", kill_on_drop: false }`
[INFO] [stdout] 42f3562a3a3a62ab32dc63e8b33e973df82ece65c980c8f09f90adc738bbb561
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cba981b8a331ea178eae47e2d5a022cc0c1e552172a5bb0c82f65ec7ec0a2a80
[INFO] running `Command { std: "docker" "start" "-a" "cba981b8a331ea178eae47e2d5a022cc0c1e552172a5bb0c82f65ec7ec0a2a80", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling assert_approx_eq v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling test-case v1.2.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling rand_distr v0.4.2
[INFO] [stderr]    Compiling samplr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.42s
[INFO] running `Command { std: "docker" "inspect" "cba981b8a331ea178eae47e2d5a022cc0c1e552172a5bb0c82f65ec7ec0a2a80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cba981b8a331ea178eae47e2d5a022cc0c1e552172a5bb0c82f65ec7ec0a2a80", kill_on_drop: false }`
[INFO] [stdout] cba981b8a331ea178eae47e2d5a022cc0c1e552172a5bb0c82f65ec7ec0a2a80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dd2d6b36ff0da914596575e2a9ca38314149bc4bcc99804d60876cb69e14767e
[INFO] running `Command { std: "docker" "start" "-a" "dd2d6b36ff0da914596575e2a9ca38314149bc4bcc99804d60876cb69e14767e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/samplr-0270538dc5843134)
[INFO] [stdout] test tests::sample_is_pop_when_pop_size_less_than_sample_size ... ok
[INFO] [stdout] test tests::seed_deterministic_samples ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/samplr-a76d397915bfcf3f)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::inputs::implicit_stdin ... ok
[INFO] [stdout] test tests::inputs::single_file ... ok
[INFO] [stdout] test tests::inputs::multiple_files ... ok
[INFO] [stdout] test tests::inputs::explicit_stdin ... ok
[INFO] [stderr]    Doc-tests samplr
[INFO] [stdout] test tests::inputs::multiple_files_and_stdin ... ok
[INFO] [stdout] test tests::sample_size::long ... ok
[INFO] [stdout] test tests::sample_size::short ... ok
[INFO] [stdout] test tests::seed::long ... ok
[INFO] [stdout] test tests::sample_size::default ... ok
[INFO] [stdout] test tests::seed::default ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 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" "dd2d6b36ff0da914596575e2a9ca38314149bc4bcc99804d60876cb69e14767e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd2d6b36ff0da914596575e2a9ca38314149bc4bcc99804d60876cb69e14767e", kill_on_drop: false }`
[INFO] [stdout] dd2d6b36ff0da914596575e2a9ca38314149bc4bcc99804d60876cb69e14767e