[INFO] fetching crate reword 6.2.0...
[INFO] testing reword-6.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate reword 6.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate reword 6.2.0 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 reword 6.2.0
[INFO] finished tweaking crates.io crate reword 6.2.0
[INFO] tweaked toml for crates.io crate reword 6.2.0 written to /workspace/builds/worker-1/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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 72e8353a83c7ebd2134c6f2188684a79330a91476d8b68a07dc70b8d9701217f
[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" "72e8353a83c7ebd2134c6f2188684a79330a91476d8b68a07dc70b8d9701217f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72e8353a83c7ebd2134c6f2188684a79330a91476d8b68a07dc70b8d9701217f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72e8353a83c7ebd2134c6f2188684a79330a91476d8b68a07dc70b8d9701217f", kill_on_drop: false }`
[INFO] [stdout] 72e8353a83c7ebd2134c6f2188684a79330a91476d8b68a07dc70b8d9701217f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 52f5d9bd9d3e1aa95a3aad1877e3c4b1de56c6716ebaf4fab0f87951ae67bcea
[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" "52f5d9bd9d3e1aa95a3aad1877e3c4b1de56c6716ebaf4fab0f87951ae67bcea", kill_on_drop: false }`
[INFO] [stderr]    Compiling reword v6.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "52f5d9bd9d3e1aa95a3aad1877e3c4b1de56c6716ebaf4fab0f87951ae67bcea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52f5d9bd9d3e1aa95a3aad1877e3c4b1de56c6716ebaf4fab0f87951ae67bcea", kill_on_drop: false }`
[INFO] [stdout] 52f5d9bd9d3e1aa95a3aad1877e3c4b1de56c6716ebaf4fab0f87951ae67bcea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 8ec0e296b4b902604ac5546eda0c486528a7f8904894685f856130b7c5e38809
[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" "8ec0e296b4b902604ac5546eda0c486528a7f8904894685f856130b7c5e38809", kill_on_drop: false }`
[INFO] [stderr]    Compiling reword v6.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "8ec0e296b4b902604ac5546eda0c486528a7f8904894685f856130b7c5e38809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ec0e296b4b902604ac5546eda0c486528a7f8904894685f856130b7c5e38809", kill_on_drop: false }`
[INFO] [stdout] 8ec0e296b4b902604ac5546eda0c486528a7f8904894685f856130b7c5e38809
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 7c17532888c78ece7e46569df31eb1edda5485ab2223ad0cfb89a1ae147ee41c
[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" "7c17532888c78ece7e46569df31eb1edda5485ab2223ad0cfb89a1ae147ee41c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/reword-15de5f762f3a9603
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::join ... ok
[INFO] [stdout] test tests::name ... ok
[INFO] [stdout] test tests::username ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests reword
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - name (line 19) ... ok
[INFO] [stdout] test src/lib.rs - and_join (line 142) ... ok
[INFO] [stdout] test src/lib.rs - or_join (line 127) ... ok
[INFO] [stdout] test src/lib.rs - username (line 97) ... ok
[INFO] [stdout] test src/lib.rs - name_with_limit (line 40) ... ok
[INFO] [stdout] test src/lib.rs - username_with_limit (line 112) ... ok
[INFO] [stdout] test src/lib.rs - (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.84s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7c17532888c78ece7e46569df31eb1edda5485ab2223ad0cfb89a1ae147ee41c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c17532888c78ece7e46569df31eb1edda5485ab2223ad0cfb89a1ae147ee41c", kill_on_drop: false }`
[INFO] [stdout] 7c17532888c78ece7e46569df31eb1edda5485ab2223ad0cfb89a1ae147ee41c