[INFO] fetching crate colour 0.5.0...
[INFO] testing colour-0.5.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate colour 0.5.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate colour 0.5.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate colour 0.5.0
[INFO] finished tweaking crates.io crate colour 0.5.0
[INFO] tweaked toml for crates.io crate colour 0.5.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2dffd2660716852b4ead9269b83d4ccf19cd4ac5c246571eca8632591fe851e
[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" "f2dffd2660716852b4ead9269b83d4ccf19cd4ac5c246571eca8632591fe851e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2dffd2660716852b4ead9269b83d4ccf19cd4ac5c246571eca8632591fe851e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2dffd2660716852b4ead9269b83d4ccf19cd4ac5c246571eca8632591fe851e", kill_on_drop: false }`
[INFO] [stdout] f2dffd2660716852b4ead9269b83d4ccf19cd4ac5c246571eca8632591fe851e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fde6211faca020f31dfa59f9978993d5c539606cb9496265826dc955b3e77bb9
[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" "fde6211faca020f31dfa59f9978993d5c539606cb9496265826dc955b3e77bb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.6.0
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling signal-hook v0.1.17
[INFO] [stderr]    Compiling crossterm v0.16.0
[INFO] [stderr]    Compiling colour v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.99s
[INFO] running `Command { std: "docker" "inspect" "fde6211faca020f31dfa59f9978993d5c539606cb9496265826dc955b3e77bb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fde6211faca020f31dfa59f9978993d5c539606cb9496265826dc955b3e77bb9", kill_on_drop: false }`
[INFO] [stdout] fde6211faca020f31dfa59f9978993d5c539606cb9496265826dc955b3e77bb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33ced936835577722ee3054b753ac63b1e76f0378d900099b0ad2628baba990f
[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" "33ced936835577722ee3054b753ac63b1e76f0378d900099b0ad2628baba990f", kill_on_drop: false }`
[INFO] [stderr]    Compiling colour v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `Command { std: "docker" "inspect" "33ced936835577722ee3054b753ac63b1e76f0378d900099b0ad2628baba990f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33ced936835577722ee3054b753ac63b1e76f0378d900099b0ad2628baba990f", kill_on_drop: false }`
[INFO] [stdout] 33ced936835577722ee3054b753ac63b1e76f0378d900099b0ad2628baba990f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 25ea74e8da9484a16979999e731efbff9d81367903273e01a67aa6649e5873f6
[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" "25ea74e8da9484a16979999e731efbff9d81367903273e01a67aa6649e5873f6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/colour-2b7d21d78026679f
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mod-c9ad9f26082d99ce
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr] [38;5;7mThis is grey.[0m
[INFO] [stderr] [38;5;7mSo is this.[0m
[INFO] [stderr] [38;5;8mThis is dark_grey.[0m
[INFO] [stderr] [38;5;8mSo is this.[0m
[INFO] [stderr] [38;5;9mThis is red.[0m
[INFO] [stderr] [38;5;9mSo is this.[0m
[INFO] [stderr] [38;5;1mThis is dark_red.[0m
[INFO] [stderr] [38;5;1mSo is this.[0m
[INFO] [stderr] [38;5;10mThis is green.[0m
[INFO] [stderr] [38;5;10mSo is this.[0m
[INFO] [stderr] [38;5;2mThis is dark_green.[0m
[INFO] [stderr] [38;5;2mSo is this.[0m
[INFO] [stderr] [38;5;11mThis is yellow.[0m
[INFO] [stderr] [38;5;11mSo is this.[0m
[INFO] [stderr] [38;5;3mThis is dark_yellow.[0m
[INFO] [stderr] [38;5;3mSo is this.[0m
[INFO] [stderr] [38;5;12mThis is blue.[0m
[INFO] [stderr] [38;5;12mSo is this.[0m
[INFO] [stderr] [38;5;4mThis is dark_blue.[0m
[INFO] [stderr] [38;5;4mSo is this.[0m
[INFO] [stderr] [38;5;13mThis is magenta.[0m
[INFO] [stderr] [38;5;13mSo is this.[0m
[INFO] [stderr] [38;5;5mThis is dark_magenta.[0m
[INFO] [stderr] [38;5;5mSo is this.[0m
[INFO] [stderr] [38;5;14mThis is cyan.[0m
[INFO] [stderr] [38;5;14mSo is this.[0m
[INFO] [stderr] [38;5;6mThis is dark_cyan.[0m
[INFO] [stderr] [38;5;6mSo is this.[0m
[INFO] [stderr] [38;5;15mThis is white.[0m
[INFO] [stderr] [38;5;15mSo is this.[0m
[INFO] [stderr] [38;5;0mThis is black.[0m
[INFO] [stderr] [38;5;0mSo is this.[0m
[INFO] [stderr] This is the default colour.[0m
[INFO] [stderr] So is this.[0m
[INFO] [stderr] [38;5;7mg[0m[38;5;7mrey, [0m[38;5;8md[0m[38;5;8mark_grey, [0m[38;5;9mr[0m[38;5;9med, [0m[38;5;1md[0m[38;5;1mark_red, [0m[38;5;10mg[0m[38;5;10mreen, [0m[38;5;2md[0m[38;5;2mark_green, [0m[38;5;11my[0m[38;5;11mellow, [0m[38;5;3md[0m[38;5;3mark_yellow, [0m[38;5;12mb[0m[38;5;12mlue, [0m[38;5;4md[0m[38;5;4mark_blue, [0m[38;5;13mm[0m[38;5;13magenta, [0m[38;5;5md[0m[38;5;5mark_magenta, [0m[38;5;14mc[0m[38;5;14myan, [0m[38;5;6md[0m[38;5;6mark_cyan, [0m[38;5;15mw[0m[38;5;15mhite, [0m[38;5;0mb[0m[38;5;0mlack, [0md[0mefault colour
[INFO] [stderr] 
[INFO] [stdout] [38;5;7mThis is grey.[0m
[INFO] [stderr] [0m   Doc-tests colour
[INFO] [stdout] [38;5;7mSo is this.[0m
[INFO] [stdout] [38;5;8mThis is dark_grey.[0m
[INFO] [stdout] [38;5;8mSo is this.[0m
[INFO] [stdout] [38;5;9mThis is red.[0m
[INFO] [stdout] [38;5;9mSo is this.[0m
[INFO] [stdout] [38;5;1mThis is dark_red.[0m
[INFO] [stdout] [38;5;1mSo is this.[0m
[INFO] [stdout] [38;5;10mThis is green.[0m
[INFO] [stdout] [38;5;10mSo is this.[0m
[INFO] [stdout] [38;5;2mThis is dark_green.[0m
[INFO] [stdout] [38;5;2mSo is this.[0m
[INFO] [stdout] [38;5;11mThis is yellow.[0m
[INFO] [stdout] [38;5;11mSo is this.[0m
[INFO] [stdout] [38;5;3mThis is dark_yellow.[0m
[INFO] [stdout] [38;5;3mSo is this.[0m
[INFO] [stdout] [38;5;12mThis is blue.[0m
[INFO] [stdout] [38;5;12mSo is this.[0m
[INFO] [stdout] [38;5;4mThis is dark_blue.[0m
[INFO] [stdout] [38;5;4mSo is this.[0m
[INFO] [stdout] [38;5;13mThis is magenta.[0m
[INFO] [stdout] [38;5;13mSo is this.[0m
[INFO] [stdout] [38;5;5mThis is dark_magenta.[0m
[INFO] [stdout] [38;5;5mSo is this.[0m
[INFO] [stdout] [38;5;14mThis is cyan.[0m
[INFO] [stdout] [38;5;14mSo is this.[0m
[INFO] [stdout] [38;5;6mThis is dark_cyan.[0m
[INFO] [stdout] [38;5;6mSo is this.[0m
[INFO] [stdout] [38;5;15mThis is white.[0m
[INFO] [stdout] [38;5;15mSo is this.[0m
[INFO] [stdout] [38;5;0mThis is black.[0m
[INFO] [stdout] [38;5;0mSo is this.[0m
[INFO] [stdout] This is the default colour.[0m
[INFO] [stdout] So is this.[0m
[INFO] [stdout] [38;5;7mg[0m[38;5;7mrey, [0m[38;5;8md[0m[38;5;8mark_grey, [0m[38;5;9mr[0m[38;5;9med, [0m[38;5;1md[0m[38;5;1mark_red, [0m[38;5;10mg[0m[38;5;10mreen, [0m[38;5;2md[0m[38;5;2mark_green, [0m[38;5;11my[0m[38;5;11mellow, [0m[38;5;3md[0m[38;5;3mark_yellow, [0m[38;5;12mb[0m[38;5;12mlue, [0m[38;5;4md[0m[38;5;4mark_blue, [0m[38;5;13mm[0m[38;5;13magenta, [0m[38;5;5md[0m[38;5;5mark_magenta, [0m[38;5;14mc[0m[38;5;14myan, [0m[38;5;6md[0m[38;5;6mark_cyan, [0m[38;5;15mw[0m[38;5;15mhite, [0m[38;5;0mb[0m[38;5;0mlack, [0md[0mefault colour
[INFO] [stdout] 
[INFO] [stdout] [0mtest stderr ... ok
[INFO] [stdout] test stdout ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "25ea74e8da9484a16979999e731efbff9d81367903273e01a67aa6649e5873f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25ea74e8da9484a16979999e731efbff9d81367903273e01a67aa6649e5873f6", kill_on_drop: false }`
[INFO] [stdout] 25ea74e8da9484a16979999e731efbff9d81367903273e01a67aa6649e5873f6