[INFO] fetching crate ghost 0.1.2...
[INFO] testing ghost-0.1.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate ghost 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ghost 0.1.2 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 ghost 0.1.2
[INFO] finished tweaking crates.io crate ghost 0.1.2
[INFO] tweaked toml for crates.io crate ghost 0.1.2 written to /workspace/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74cea6f377ce5a75203308e1be49ead3865d26aa81fca2bae51a903423947974
[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" "74cea6f377ce5a75203308e1be49ead3865d26aa81fca2bae51a903423947974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74cea6f377ce5a75203308e1be49ead3865d26aa81fca2bae51a903423947974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74cea6f377ce5a75203308e1be49ead3865d26aa81fca2bae51a903423947974", kill_on_drop: false }`
[INFO] [stdout] 74cea6f377ce5a75203308e1be49ead3865d26aa81fca2bae51a903423947974
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] 354edd2faf18f4e88fdf9f5173bc30bcedb9a0cecefc227128b8b5dadb5705f2
[INFO] running `Command { std: "docker" "start" "-a" "354edd2faf18f4e88fdf9f5173bc30bcedb9a0cecefc227128b8b5dadb5705f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling ghost v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.31s
[INFO] running `Command { std: "docker" "inspect" "354edd2faf18f4e88fdf9f5173bc30bcedb9a0cecefc227128b8b5dadb5705f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "354edd2faf18f4e88fdf9f5173bc30bcedb9a0cecefc227128b8b5dadb5705f2", kill_on_drop: false }`
[INFO] [stdout] 354edd2faf18f4e88fdf9f5173bc30bcedb9a0cecefc227128b8b5dadb5705f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc5eee0eec481e88f3a8d76fe9495eb4a2bf37dca27998eebfc5a52c074a3461
[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" "dc5eee0eec481e88f3a8d76fe9495eb4a2bf37dca27998eebfc5a52c074a3461", kill_on_drop: false }`
[INFO] [stderr]    Compiling ghost v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "dc5eee0eec481e88f3a8d76fe9495eb4a2bf37dca27998eebfc5a52c074a3461", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc5eee0eec481e88f3a8d76fe9495eb4a2bf37dca27998eebfc5a52c074a3461", kill_on_drop: false }`
[INFO] [stdout] dc5eee0eec481e88f3a8d76fe9495eb4a2bf37dca27998eebfc5a52c074a3461
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 03509601785f06dbbdfb3de1d05845c4be96ed8bb446a1b14235ad421821954f
[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" "03509601785f06dbbdfb3de1d05845c4be96ed8bb446a1b14235ad421821954f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ghost-62d17ee8e1be0cd8
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ghost
[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 8 tests
[INFO] [stdout] test src/lib.rs - (line 35) ... ok
[INFO] [stdout] test src/lib.rs - (line 185) ... ok
[INFO] [stdout] test src/lib.rs - (line 81) ... ok
[INFO] [stdout] test src/lib.rs - (line 19) ... ok
[INFO] [stdout] test src/lib.rs - (line 161) ... ok
[INFO] [stdout] test src/lib.rs - (line 54) ... ok
[INFO] [stdout] test src/lib.rs - (line 111) ... ok
[INFO] [stdout] test src/lib.rs - (line 141) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.81s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "03509601785f06dbbdfb3de1d05845c4be96ed8bb446a1b14235ad421821954f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03509601785f06dbbdfb3de1d05845c4be96ed8bb446a1b14235ad421821954f", kill_on_drop: false }`
[INFO] [stdout] 03509601785f06dbbdfb3de1d05845c4be96ed8bb446a1b14235ad421821954f