[INFO] fetching crate cheque 0.3.0...
[INFO] testing cheque-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate cheque 0.3.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate cheque 0.3.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cheque 0.3.0
[INFO] finished tweaking crates.io crate cheque 0.3.0
[INFO] tweaked toml for crates.io crate cheque 0.3.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d0e7a9341bad793565e112c325103d5c48e3cbac1a3e62c2175f2fdf97a86ba
[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" "8d0e7a9341bad793565e112c325103d5c48e3cbac1a3e62c2175f2fdf97a86ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d0e7a9341bad793565e112c325103d5c48e3cbac1a3e62c2175f2fdf97a86ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d0e7a9341bad793565e112c325103d5c48e3cbac1a3e62c2175f2fdf97a86ba", kill_on_drop: false }`
[INFO] [stdout] 8d0e7a9341bad793565e112c325103d5c48e3cbac1a3e62c2175f2fdf97a86ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] a3e49b3198bfa7222eaf30badb992bbcbc9d1bbb9345e14970c3052ec2b490b9
[INFO] running `Command { std: "docker" "start" "-a" "a3e49b3198bfa7222eaf30badb992bbcbc9d1bbb9345e14970c3052ec2b490b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling cheque v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "a3e49b3198bfa7222eaf30badb992bbcbc9d1bbb9345e14970c3052ec2b490b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3e49b3198bfa7222eaf30badb992bbcbc9d1bbb9345e14970c3052ec2b490b9", kill_on_drop: false }`
[INFO] [stdout] a3e49b3198bfa7222eaf30badb992bbcbc9d1bbb9345e14970c3052ec2b490b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87450da4471f39c450362cd76f583909ad878f6ec09f4955087ac1244d610b3b
[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" "87450da4471f39c450362cd76f583909ad878f6ec09f4955087ac1244d610b3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling cheque v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "87450da4471f39c450362cd76f583909ad878f6ec09f4955087ac1244d610b3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87450da4471f39c450362cd76f583909ad878f6ec09f4955087ac1244d610b3b", kill_on_drop: false }`
[INFO] [stdout] 87450da4471f39c450362cd76f583909ad878f6ec09f4955087ac1244d610b3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ddca390b819319c15047fd912ac9011fc9978e3d0b66a24e951da322355f95a3
[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" "ddca390b819319c15047fd912ac9011fc9978e3d0b66a24e951da322355f95a3", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cheque-9cd2000221b3e8ad)
[INFO] [stdout] test test::divide_by_zero ... ok
[INFO] [stderr]    Doc-tests cheque
[INFO] [stdout] test test::empty_invoke ... ok
[INFO] [stdout] test test::compiles ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test lib.rs - (line 3) ... ok
[INFO] [stdout] test lib.rs - (line 26) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.84s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ddca390b819319c15047fd912ac9011fc9978e3d0b66a24e951da322355f95a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddca390b819319c15047fd912ac9011fc9978e3d0b66a24e951da322355f95a3", kill_on_drop: false }`
[INFO] [stdout] ddca390b819319c15047fd912ac9011fc9978e3d0b66a24e951da322355f95a3