[INFO] fetching crate randselect 0.3.0...
[INFO] testing randselect-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate randselect 0.3.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate randselect 0.3.0 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 randselect 0.3.0
[INFO] finished tweaking crates.io crate randselect 0.3.0
[INFO] tweaked toml for crates.io crate randselect 0.3.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate randselect 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded os_type v2.2.0
[INFO] [stderr]   Downloaded rustc-demangle v0.1.18
[INFO] [stderr]   Downloaded object v0.22.0
[INFO] [stderr]   Downloaded addr2line v0.14.0
[INFO] [stderr]   Downloaded backtrace v0.3.55
[INFO] [stderr]   Downloaded gimli v0.23.0
[INFO] [stderr]   Downloaded rand_core v0.6.0
[INFO] [stderr]   Downloaded getrandom v0.2.0
[INFO] [stderr]   Downloaded rand v0.8.0
[INFO] [stderr]   Downloaded syn v1.0.55
[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] 019984f097c4b6013c3d2a4cb246be0c40d837da8b82290bb22d139f5a74537c
[INFO] running `Command { std: "docker" "start" "-a" "019984f097c4b6013c3d2a4cb246be0c40d837da8b82290bb22d139f5a74537c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "019984f097c4b6013c3d2a4cb246be0c40d837da8b82290bb22d139f5a74537c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "019984f097c4b6013c3d2a4cb246be0c40d837da8b82290bb22d139f5a74537c", kill_on_drop: false }`
[INFO] [stdout] 019984f097c4b6013c3d2a4cb246be0c40d837da8b82290bb22d139f5a74537c
[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] 44bb05cc075e1c408d65c7c3252a7faeb625556ea8c1173f318e077c8ce840c3
[INFO] running `Command { std: "docker" "start" "-a" "44bb05cc075e1c408d65c7c3252a7faeb625556ea8c1173f318e077c8ce840c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling object v0.22.0
[INFO] [stderr]    Compiling os_type v2.2.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling rand_core v0.6.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling addr2line v0.14.0
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling thiserror v1.0.22
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling human-panic v1.0.3
[INFO] [stderr]    Compiling randselect v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.85s
[INFO] running `Command { std: "docker" "inspect" "44bb05cc075e1c408d65c7c3252a7faeb625556ea8c1173f318e077c8ce840c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44bb05cc075e1c408d65c7c3252a7faeb625556ea8c1173f318e077c8ce840c3", kill_on_drop: false }`
[INFO] [stdout] 44bb05cc075e1c408d65c7c3252a7faeb625556ea8c1173f318e077c8ce840c3
[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] 004410f323a0b0f5a08e4f3ecf96a70989d2598ad8090c72c41639a0a5000f04
[INFO] running `Command { std: "docker" "start" "-a" "004410f323a0b0f5a08e4f3ecf96a70989d2598ad8090c72c41639a0a5000f04", kill_on_drop: false }`
[INFO] [stderr]    Compiling randselect v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `Command { std: "docker" "inspect" "004410f323a0b0f5a08e4f3ecf96a70989d2598ad8090c72c41639a0a5000f04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "004410f323a0b0f5a08e4f3ecf96a70989d2598ad8090c72c41639a0a5000f04", kill_on_drop: false }`
[INFO] [stdout] 004410f323a0b0f5a08e4f3ecf96a70989d2598ad8090c72c41639a0a5000f04
[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] 9b55f9489020974c864bb9cd2224a7c2817c8e0dabc6626743d20c63c7b442de
[INFO] running `Command { std: "docker" "start" "-a" "9b55f9489020974c864bb9cd2224a7c2817c8e0dabc6626743d20c63c7b442de", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/randselect-b9fe46c0ea5c4537)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::test_invalid_paths ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/randselect-e358b5e9970b5cfa)
[INFO] [stdout] test test::test_valid_paths ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 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] [stderr]      Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-47e72d0b57afb522)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test runs_without_error ... ok
[INFO] [stdout] test runs_with_error ... 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]    Doc-tests randselect
[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" "9b55f9489020974c864bb9cd2224a7c2817c8e0dabc6626743d20c63c7b442de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b55f9489020974c864bb9cd2224a7c2817c8e0dabc6626743d20c63c7b442de", kill_on_drop: false }`
[INFO] [stdout] 9b55f9489020974c864bb9cd2224a7c2817c8e0dabc6626743d20c63c7b442de