[INFO] fetching crate colored-diff 0.2.2...
[INFO] testing colored-diff-0.2.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate colored-diff 0.2.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate colored-diff 0.2.2 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 colored-diff 0.2.2
[INFO] finished tweaking crates.io crate colored-diff 0.2.2
[INFO] tweaked toml for crates.io crate colored-diff 0.2.2 written to /workspace/builds/worker-10/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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 42d603d0cdeeefdb21c4d33496add8eda73dd5c03ab5f9b878fb78767fa73394
[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" "42d603d0cdeeefdb21c4d33496add8eda73dd5c03ab5f9b878fb78767fa73394", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42d603d0cdeeefdb21c4d33496add8eda73dd5c03ab5f9b878fb78767fa73394", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42d603d0cdeeefdb21c4d33496add8eda73dd5c03ab5f9b878fb78767fa73394", kill_on_drop: false }`
[INFO] [stdout] 42d603d0cdeeefdb21c4d33496add8eda73dd5c03ab5f9b878fb78767fa73394
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 023fef9452e068d75ff0d32ace27100e5c78779c89629f92dd0341c8df51e0cb
[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" "023fef9452e068d75ff0d32ace27100e5c78779c89629f92dd0341c8df51e0cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling colored-diff v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `Command { std: "docker" "inspect" "023fef9452e068d75ff0d32ace27100e5c78779c89629f92dd0341c8df51e0cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "023fef9452e068d75ff0d32ace27100e5c78779c89629f92dd0341c8df51e0cb", kill_on_drop: false }`
[INFO] [stdout] 023fef9452e068d75ff0d32ace27100e5c78779c89629f92dd0341c8df51e0cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 3443d6ef4bcdabeb1bc5351aa11dc8ef7a26c854fcc22cd97922cc01e2c7ebbc
[INFO] running `Command { std: "docker" "start" "-a" "3443d6ef4bcdabeb1bc5351aa11dc8ef7a26c854fcc22cd97922cc01e2c7ebbc", kill_on_drop: false }`
[INFO] [stderr]    Compiling colored-diff v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "3443d6ef4bcdabeb1bc5351aa11dc8ef7a26c854fcc22cd97922cc01e2c7ebbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3443d6ef4bcdabeb1bc5351aa11dc8ef7a26c854fcc22cd97922cc01e2c7ebbc", kill_on_drop: false }`
[INFO] [stdout] 3443d6ef4bcdabeb1bc5351aa11dc8ef7a26c854fcc22cd97922cc01e2c7ebbc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] d71b4b17d96e6fb74b02fc3f006dddf2dc9cfaea734778f7b0f9325c167edc3f
[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" "d71b4b17d96e6fb74b02fc3f006dddf2dc9cfaea734778f7b0f9325c167edc3f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/colored_diff-58675fa79a3637ad
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests colored-diff
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::single_add ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "d71b4b17d96e6fb74b02fc3f006dddf2dc9cfaea734778f7b0f9325c167edc3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d71b4b17d96e6fb74b02fc3f006dddf2dc9cfaea734778f7b0f9325c167edc3f", kill_on_drop: false }`
[INFO] [stdout] d71b4b17d96e6fb74b02fc3f006dddf2dc9cfaea734778f7b0f9325c167edc3f