[INFO] fetching crate samplr 0.1.0...
[INFO] testing samplr-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate samplr 0.1.0 into /workspace/builds/worker-45/source
[INFO] validating manifest of crates.io crate samplr 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-45/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" "+1.60.0" "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 test-case v1.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf1bbc88554b3802562ed71a1ff16519ce69d87564cda665d23bbcd9c71d1a51
[INFO] running `Command { std: "docker" "start" "-a" "cf1bbc88554b3802562ed71a1ff16519ce69d87564cda665d23bbcd9c71d1a51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf1bbc88554b3802562ed71a1ff16519ce69d87564cda665d23bbcd9c71d1a51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf1bbc88554b3802562ed71a1ff16519ce69d87564cda665d23bbcd9c71d1a51", kill_on_drop: false }`
[INFO] [stdout] cf1bbc88554b3802562ed71a1ff16519ce69d87564cda665d23bbcd9c71d1a51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b50b9dbb4b656b862c5bb7666cbb693e0ea8ca35b0c9d339ca652755d04a5236
[INFO] running `Command { std: "docker" "start" "-a" "b50b9dbb4b656b862c5bb7666cbb693e0ea8ca35b0c9d339ca652755d04a5236", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[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 9.50s
[INFO] running `Command { std: "docker" "inspect" "b50b9dbb4b656b862c5bb7666cbb693e0ea8ca35b0c9d339ca652755d04a5236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b50b9dbb4b656b862c5bb7666cbb693e0ea8ca35b0c9d339ca652755d04a5236", kill_on_drop: false }`
[INFO] [stdout] b50b9dbb4b656b862c5bb7666cbb693e0ea8ca35b0c9d339ca652755d04a5236
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5194a6e3cb3a2f8acbf9b765ede9e0e3433a7775655ecb25f2d4c469de68af0
[INFO] running `Command { std: "docker" "start" "-a" "d5194a6e3cb3a2f8acbf9b765ede9e0e3433a7775655ecb25f2d4c469de68af0", kill_on_drop: false }`
[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 rand_distr v0.4.2
[INFO] [stderr]    Compiling samplr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.23s
[INFO] running `Command { std: "docker" "inspect" "d5194a6e3cb3a2f8acbf9b765ede9e0e3433a7775655ecb25f2d4c469de68af0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5194a6e3cb3a2f8acbf9b765ede9e0e3433a7775655ecb25f2d4c469de68af0", kill_on_drop: false }`
[INFO] [stdout] d5194a6e3cb3a2f8acbf9b765ede9e0e3433a7775655ecb25f2d4c469de68af0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1bb9e6beb255a879659ea959942695967163467afff9afa76bf1f88ba288a873
[INFO] running `Command { std: "docker" "start" "-a" "1bb9e6beb255a879659ea959942695967163467afff9afa76bf1f88ba288a873", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/samplr-e8fbe274df6af634)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[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 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/samplr-bb634d4419fc3d43)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::inputs::explicit_stdin ... ok
[INFO] [stdout] test tests::inputs::single_file ... ok
[INFO] [stdout] test tests::sample_size::default ... ok
[INFO] [stdout] test tests::sample_size::short ... ok
[INFO] [stdout] test tests::seed::default ... ok
[INFO] [stdout] test tests::inputs::implicit_stdin ... ok
[INFO] [stdout] test tests::inputs::multiple_files ... ok
[INFO] [stdout] test tests::sample_size::long ... ok
[INFO] [stderr]    Doc-tests samplr
[INFO] [stdout] test tests::inputs::multiple_files_and_stdin ... ok
[INFO] [stdout] test tests::seed::long ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[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" "1bb9e6beb255a879659ea959942695967163467afff9afa76bf1f88ba288a873", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bb9e6beb255a879659ea959942695967163467afff9afa76bf1f88ba288a873", kill_on_drop: false }`
[INFO] [stdout] 1bb9e6beb255a879659ea959942695967163467afff9afa76bf1f88ba288a873