[INFO] fetching crate cargo-diet 1.2.0...
[INFO] testing cargo-diet-1.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate cargo-diet 1.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate cargo-diet 1.2.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-diet 1.2.0
[INFO] finished tweaking crates.io crate cargo-diet 1.2.0
[INFO] tweaked toml for crates.io crate cargo-diet 1.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate cargo-diet 1.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded criner-waste-report v0.1.4
[INFO] [stderr]   Downloaded byte-unit v3.1.4
[INFO] [stderr]   Downloaded termsize v0.1.6
[INFO] [stderr]   Downloaded locate-cargo-manifest v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5b7206b7bc20ad246f86c860c92f790c98c89a5a05fc6808f5167e97e4606e1
[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" "a5b7206b7bc20ad246f86c860c92f790c98c89a5a05fc6808f5167e97e4606e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5b7206b7bc20ad246f86c860c92f790c98c89a5a05fc6808f5167e97e4606e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5b7206b7bc20ad246f86c860c92f790c98c89a5a05fc6808f5167e97e4606e1", kill_on_drop: false }`
[INFO] [stdout] a5b7206b7bc20ad246f86c860c92f790c98c89a5a05fc6808f5167e97e4606e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6fe1b0f56b331f38296d4832c0b964ddd0e2ad78751e3b8acb4f67ad34c4bf4
[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" "c6fe1b0f56b331f38296d4832c0b964ddd0e2ad78751e3b8acb4f67ad34c4bf4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling argh_shared v0.1.1
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling bytesize v1.0.1
[INFO] [stderr]    Compiling ascii_table v3.0.1
[INFO] [stderr]    Compiling byte-unit v3.1.4
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling miniz_oxide v0.4.0
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]    Compiling globset v0.4.5
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling filetime v0.2.10
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling flate2 v1.0.16
[INFO] [stderr]    Compiling termsize v0.1.6
[INFO] [stderr]    Compiling tar v0.4.29
[INFO] [stderr]    Compiling chrono v0.4.13
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling argh_derive v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling toml_edit v0.2.0
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling locate-cargo-manifest v0.2.0
[INFO] [stderr]    Compiling argh v0.1.3
[INFO] [stderr]    Compiling criner-waste-report v0.1.4
[INFO] [stderr]    Compiling cargo-diet v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 44s
[INFO] running `Command { std: "docker" "inspect" "c6fe1b0f56b331f38296d4832c0b964ddd0e2ad78751e3b8acb4f67ad34c4bf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6fe1b0f56b331f38296d4832c0b964ddd0e2ad78751e3b8acb4f67ad34c4bf4", kill_on_drop: false }`
[INFO] [stdout] c6fe1b0f56b331f38296d4832c0b964ddd0e2ad78751e3b8acb4f67ad34c4bf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--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] 222ab26c5d42ebec5d1a76592a772a1263a47953d6cf8035463a2066c3b8d1ed
[INFO] running `Command { std: "docker" "start" "-a" "222ab26c5d42ebec5d1a76592a772a1263a47953d6cf8035463a2066c3b8d1ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-diet v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.50s
[INFO] running `Command { std: "docker" "inspect" "222ab26c5d42ebec5d1a76592a772a1263a47953d6cf8035463a2066c3b8d1ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "222ab26c5d42ebec5d1a76592a772a1263a47953d6cf8035463a2066c3b8d1ed", kill_on_drop: false }`
[INFO] [stdout] 222ab26c5d42ebec5d1a76592a772a1263a47953d6cf8035463a2066c3b8d1ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 02722c9b0d97f7b2748d3d524108b33e4b496a05594cfb1a5c72f9842fa57aee
[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" "02722c9b0d97f7b2748d3d524108b33e4b496a05594cfb1a5c72f9842fa57aee", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cargo_diet-958a342f07a87f1c
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cargo_diet-11f945082f6b922f
[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]    Doc-tests cargo-diet
[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] [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" "02722c9b0d97f7b2748d3d524108b33e4b496a05594cfb1a5c72f9842fa57aee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02722c9b0d97f7b2748d3d524108b33e4b496a05594cfb1a5c72f9842fa57aee", kill_on_drop: false }`
[INFO] [stdout] 02722c9b0d97f7b2748d3d524108b33e4b496a05594cfb1a5c72f9842fa57aee