[INFO] fetching crate heckcheck 1.0.2...
[INFO] testing heckcheck-1.0.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate heckcheck 1.0.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate heckcheck 1.0.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate heckcheck 1.0.2
[INFO] finished tweaking crates.io crate heckcheck 1.0.2
[INFO] tweaked toml for crates.io crate heckcheck 1.0.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5a762fcc598c2bec415331d57aaceb9c6d2c624bdcb969841abdde49170a5ba
[INFO] running `Command { std: "docker" "start" "-a" "a5a762fcc598c2bec415331d57aaceb9c6d2c624bdcb969841abdde49170a5ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5a762fcc598c2bec415331d57aaceb9c6d2c624bdcb969841abdde49170a5ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5a762fcc598c2bec415331d57aaceb9c6d2c624bdcb969841abdde49170a5ba", kill_on_drop: false }`
[INFO] [stdout] a5a762fcc598c2bec415331d57aaceb9c6d2c624bdcb969841abdde49170a5ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78cb696c019033e7628cff9608095af3c01629848db7bc89bf8c498097f4e595
[INFO] running `Command { std: "docker" "start" "-a" "78cb696c019033e7628cff9608095af3c01629848db7bc89bf8c498097f4e595", kill_on_drop: false }`
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling derive_arbitrary v1.0.2
[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 arbitrary v1.0.2
[INFO] [stderr]    Compiling heckcheck v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.10s
[INFO] running `Command { std: "docker" "inspect" "78cb696c019033e7628cff9608095af3c01629848db7bc89bf8c498097f4e595", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78cb696c019033e7628cff9608095af3c01629848db7bc89bf8c498097f4e595", kill_on_drop: false }`
[INFO] [stdout] 78cb696c019033e7628cff9608095af3c01629848db7bc89bf8c498097f4e595
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c774b2bfa8752bc7f3094789c2575b6b31efd5318e7ec34bfac76690d03b7ad9
[INFO] running `Command { std: "docker" "start" "-a" "c774b2bfa8752bc7f3094789c2575b6b31efd5318e7ec34bfac76690d03b7ad9", kill_on_drop: false }`
[INFO] [stderr]    Compiling heckcheck v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "c774b2bfa8752bc7f3094789c2575b6b31efd5318e7ec34bfac76690d03b7ad9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c774b2bfa8752bc7f3094789c2575b6b31efd5318e7ec34bfac76690d03b7ad9", kill_on_drop: false }`
[INFO] [stdout] c774b2bfa8752bc7f3094789c2575b6b31efd5318e7ec34bfac76690d03b7ad9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4c10239a9a376c9ce6d9bd928054f3a55769c13e3dc25764267485ac26e99601
[INFO] running `Command { std: "docker" "start" "-a" "4c10239a9a376c9ce6d9bd928054f3a55769c13e3dc25764267485ac26e99601", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/heckcheck-fdd6985e299c069d)
[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/test.rs (/opt/rustwide/target/debug/deps/test-c4e4950a56caafea)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test smoke ... ok
[INFO] [stdout] test shrinker - should panic ... 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]    Doc-tests heckcheck
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 43) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.58s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4c10239a9a376c9ce6d9bd928054f3a55769c13e3dc25764267485ac26e99601", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c10239a9a376c9ce6d9bd928054f3a55769c13e3dc25764267485ac26e99601", kill_on_drop: false }`
[INFO] [stdout] 4c10239a9a376c9ce6d9bd928054f3a55769c13e3dc25764267485ac26e99601