[INFO] fetching crate reservoir-sampler 0.1.0...
[INFO] testing reservoir-sampler-0.1.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate reservoir-sampler 0.1.0 into /workspace/builds/worker-34/source
[INFO] validating manifest of crates.io crate reservoir-sampler 0.1.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate reservoir-sampler 0.1.0
[INFO] finished tweaking crates.io crate reservoir-sampler 0.1.0
[INFO] tweaked toml for crates.io crate reservoir-sampler 0.1.0 written to /workspace/builds/worker-34/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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" "+beta-2021-08-01" "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-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e989d791c0d218158db536d7ddc8e0ad8c5c4b0abaabc65fd7a0f54abf69ba1b
[INFO] running `Command { std: "docker" "start" "-a" "e989d791c0d218158db536d7ddc8e0ad8c5c4b0abaabc65fd7a0f54abf69ba1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e989d791c0d218158db536d7ddc8e0ad8c5c4b0abaabc65fd7a0f54abf69ba1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e989d791c0d218158db536d7ddc8e0ad8c5c4b0abaabc65fd7a0f54abf69ba1b", kill_on_drop: false }`
[INFO] [stdout] e989d791c0d218158db536d7ddc8e0ad8c5c4b0abaabc65fd7a0f54abf69ba1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e54e3a18cdb3dc8930cadee161fb5ce07845897383169f8d49a5df8baae8056
[INFO] running `Command { std: "docker" "start" "-a" "4e54e3a18cdb3dc8930cadee161fb5ce07845897383169f8d49a5df8baae8056", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.3
[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 reservoir-sampler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.31s
[INFO] running `Command { std: "docker" "inspect" "4e54e3a18cdb3dc8930cadee161fb5ce07845897383169f8d49a5df8baae8056", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e54e3a18cdb3dc8930cadee161fb5ce07845897383169f8d49a5df8baae8056", kill_on_drop: false }`
[INFO] [stdout] 4e54e3a18cdb3dc8930cadee161fb5ce07845897383169f8d49a5df8baae8056
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e386e9c33f6bc59072094608c245491478e725ced98247bb074908adcbc428e
[INFO] running `Command { std: "docker" "start" "-a" "2e386e9c33f6bc59072094608c245491478e725ced98247bb074908adcbc428e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling reservoir-sampler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.09s
[INFO] running `Command { std: "docker" "inspect" "2e386e9c33f6bc59072094608c245491478e725ced98247bb074908adcbc428e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e386e9c33f6bc59072094608c245491478e725ced98247bb074908adcbc428e", kill_on_drop: false }`
[INFO] [stdout] 2e386e9c33f6bc59072094608c245491478e725ced98247bb074908adcbc428e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 76c5acf8c64eeda4a1a97bd646b4a2005de7efcb0bd1da10c2d1cfcdf259ac72
[INFO] running `Command { std: "docker" "start" "-a" "76c5acf8c64eeda4a1a97bd646b4a2005de7efcb0bd1da10c2d1cfcdf259ac72", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.31s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/reservoir_sampler-e1ed90d96d9aedc7)
[INFO] [stdout] test tests::test ... ok
[INFO] [stderr]    Doc-tests reservoir-sampler
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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" "76c5acf8c64eeda4a1a97bd646b4a2005de7efcb0bd1da10c2d1cfcdf259ac72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76c5acf8c64eeda4a1a97bd646b4a2005de7efcb0bd1da10c2d1cfcdf259ac72", kill_on_drop: false }`
[INFO] [stdout] 76c5acf8c64eeda4a1a97bd646b4a2005de7efcb0bd1da10c2d1cfcdf259ac72
