[INFO] fetching crate four-cc 0.1.0...
[INFO] testing four-cc-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate four-cc 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate four-cc 0.1.0 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 four-cc 0.1.0
[INFO] finished tweaking crates.io crate four-cc 0.1.0
[INFO] tweaked toml for crates.io crate four-cc 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 21e6173fb716d446781f10dcdcc899f0c36ebaaf34e966abc5f6c7043f67e83a
[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" "21e6173fb716d446781f10dcdcc899f0c36ebaaf34e966abc5f6c7043f67e83a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21e6173fb716d446781f10dcdcc899f0c36ebaaf34e966abc5f6c7043f67e83a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21e6173fb716d446781f10dcdcc899f0c36ebaaf34e966abc5f6c7043f67e83a", kill_on_drop: false }`
[INFO] [stdout] 21e6173fb716d446781f10dcdcc899f0c36ebaaf34e966abc5f6c7043f67e83a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d803367573d1ba26c9e963f7b5a24ea8e4ac3ffb8ef93c4ee4ce32407422bb9e
[INFO] running `Command { std: "docker" "start" "-a" "d803367573d1ba26c9e963f7b5a24ea8e4ac3ffb8ef93c4ee4ce32407422bb9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling four-cc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "d803367573d1ba26c9e963f7b5a24ea8e4ac3ffb8ef93c4ee4ce32407422bb9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d803367573d1ba26c9e963f7b5a24ea8e4ac3ffb8ef93c4ee4ce32407422bb9e", kill_on_drop: false }`
[INFO] [stdout] d803367573d1ba26c9e963f7b5a24ea8e4ac3ffb8ef93c4ee4ce32407422bb9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] fb9678bbce1ce3c9285fe9668163ecf7c04d7256cbd8af05396801695689bb23
[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" "fb9678bbce1ce3c9285fe9668163ecf7c04d7256cbd8af05396801695689bb23", kill_on_drop: false }`
[INFO] [stderr]    Compiling four-cc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "fb9678bbce1ce3c9285fe9668163ecf7c04d7256cbd8af05396801695689bb23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb9678bbce1ce3c9285fe9668163ecf7c04d7256cbd8af05396801695689bb23", kill_on_drop: false }`
[INFO] [stdout] fb9678bbce1ce3c9285fe9668163ecf7c04d7256cbd8af05396801695689bb23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6d6fc6dd09295048c6f83bc905ac843b419afbbc7bd69b530f87cea4b95aace5
[INFO] running `Command { std: "docker" "start" "-a" "6d6fc6dd09295048c6f83bc905ac843b419afbbc7bd69b530f87cea4b95aace5", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/four_cc-5cecb2bf42e45920
[INFO] [stdout] test tests::int_conversions ... ok
[INFO] [stdout] test tests::eq ... 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] [stderr]    Doc-tests four-cc
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - (line 54) ... ok
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] test src/lib.rs - (line 37) ... ok
[INFO] [stdout] test src/lib.rs - (line 28) ... ok
[INFO] [stdout] test src/lib.rs - (line 63) ... ok
[INFO] [stdout] test src/lib.rs - (line 74) ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.66s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6d6fc6dd09295048c6f83bc905ac843b419afbbc7bd69b530f87cea4b95aace5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d6fc6dd09295048c6f83bc905ac843b419afbbc7bd69b530f87cea4b95aace5", kill_on_drop: false }`
[INFO] [stdout] 6d6fc6dd09295048c6f83bc905ac843b419afbbc7bd69b530f87cea4b95aace5