[INFO] fetching crate chop 0.0.2...
[INFO] testing chop-0.0.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate chop 0.0.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate chop 0.0.2 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 chop 0.0.2
[INFO] finished tweaking crates.io crate chop 0.0.2
[INFO] tweaked toml for crates.io crate chop 0.0.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate chop 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded chunked_transfer v1.3.0
[INFO] [stderr]   Downloaded ureq v1.5.1
[INFO] [stderr]   Downloaded better-panic v0.2.0
[INFO] [stderr]   Downloaded rustc-demangle v0.1.17
[INFO] [stderr]   Downloaded ruzstd v0.2.1
[INFO] [stderr]   Downloaded chopper v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5013215e46e12ac13e5c06d74a20b2693ce796758e710209acf2e94015016442
[INFO] running `Command { std: "docker" "start" "-a" "5013215e46e12ac13e5c06d74a20b2693ce796758e710209acf2e94015016442", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5013215e46e12ac13e5c06d74a20b2693ce796758e710209acf2e94015016442", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5013215e46e12ac13e5c06d74a20b2693ce796758e710209acf2e94015016442", kill_on_drop: false }`
[INFO] [stdout] 5013215e46e12ac13e5c06d74a20b2693ce796758e710209acf2e94015016442
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 74d1d535b9b7e18258707304dc4f71079b02535efc8b5602e4ffb6e4decf2f79
[INFO] running `Command { std: "docker" "start" "-a" "74d1d535b9b7e18258707304dc4f71079b02535efc8b5602e4ffb6e4decf2f79", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling regex-syntax v0.6.20
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling tinyvec v0.3.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling chunked_transfer v1.3.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.17
[INFO] [stderr]    Compiling object v0.21.1
[INFO] [stderr]    Compiling standback v0.2.11
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling time v0.2.22
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling cookie v0.14.2
[INFO] [stderr]    Compiling paku v0.0.2
[INFO] [stderr]    Compiling matrixmultiply v0.3.1
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clicolors-control v1.0.1
[INFO] [stderr]    Compiling termios v0.3.3
[INFO] [stderr]    Compiling unicode-normalization v0.1.13
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling twox-hash v1.6.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling ruzstd v0.2.1
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling bzip2-sys v0.1.10+1.0.8
[INFO] [stderr]    Compiling flate2 v1.0.18
[INFO] [stderr]    Compiling regex v1.4.1
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling ndarray v0.15.2
[INFO] [stderr]    Compiling backtrace v0.3.53
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling bzip2 v0.4.2
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]    Compiling console v0.9.2
[INFO] [stderr]    Compiling publicsuffix v1.5.4
[INFO] [stderr]    Compiling better-panic v0.2.0
[INFO] [stderr]    Compiling chrono-tz v0.5.3
[INFO] [stderr]    Compiling webpki v0.21.3
[INFO] [stderr]    Compiling sct v0.6.0
[INFO] [stderr]    Compiling webpki-roots v0.20.0
[INFO] [stderr]    Compiling rustls v0.18.1
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling fehler-macros v1.0.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling thiserror v1.0.21
[INFO] [stderr]    Compiling fehler v1.0.0
[INFO] [stderr]    Compiling lz-fear v0.1.1
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling cookie_store v0.12.0
[INFO] [stderr]    Compiling ureq v1.5.1
[INFO] [stderr]    Compiling chopper v0.1.0
[INFO] [stderr]    Compiling chop v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.82s
[INFO] running `Command { std: "docker" "inspect" "74d1d535b9b7e18258707304dc4f71079b02535efc8b5602e4ffb6e4decf2f79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74d1d535b9b7e18258707304dc4f71079b02535efc8b5602e4ffb6e4decf2f79", kill_on_drop: false }`
[INFO] [stdout] 74d1d535b9b7e18258707304dc4f71079b02535efc8b5602e4ffb6e4decf2f79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 8e9aab8505ad1e81bb26cca5dc2fb87dc3360d7222b7a8b13bbf6936bfe09018
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8e9aab8505ad1e81bb26cca5dc2fb87dc3360d7222b7a8b13bbf6936bfe09018", kill_on_drop: false }`
[INFO] [stderr]    Compiling chop v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "8e9aab8505ad1e81bb26cca5dc2fb87dc3360d7222b7a8b13bbf6936bfe09018", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e9aab8505ad1e81bb26cca5dc2fb87dc3360d7222b7a8b13bbf6936bfe09018", kill_on_drop: false }`
[INFO] [stdout] 8e9aab8505ad1e81bb26cca5dc2fb87dc3360d7222b7a8b13bbf6936bfe09018
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 42f4a8dd6cee24ddb32a42c9bfac57e679a061731a1e33589caa830cdbe5b06a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "42f4a8dd6cee24ddb32a42c9bfac57e679a061731a1e33589caa830cdbe5b06a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chop-d02bde910e3e0752)
[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" "42f4a8dd6cee24ddb32a42c9bfac57e679a061731a1e33589caa830cdbe5b06a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42f4a8dd6cee24ddb32a42c9bfac57e679a061731a1e33589caa830cdbe5b06a", kill_on_drop: false }`
[INFO] [stdout] 42f4a8dd6cee24ddb32a42c9bfac57e679a061731a1e33589caa830cdbe5b06a