[INFO] fetching crate cheque 0.3.0...
[INFO] testing cheque-0.3.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate cheque 0.3.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate cheque 0.3.0 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 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-3/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e852b98c8af4fa8e6d2ffa60e4be1d157fd48d8f2c970496069e50d3b5e4734
[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" "5e852b98c8af4fa8e6d2ffa60e4be1d157fd48d8f2c970496069e50d3b5e4734", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e852b98c8af4fa8e6d2ffa60e4be1d157fd48d8f2c970496069e50d3b5e4734", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e852b98c8af4fa8e6d2ffa60e4be1d157fd48d8f2c970496069e50d3b5e4734", kill_on_drop: false }`
[INFO] [stdout] 5e852b98c8af4fa8e6d2ffa60e4be1d157fd48d8f2c970496069e50d3b5e4734
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d8945de19d2c3885503da2c45928f233bd5766f1ce765f155d388860d446724
[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" "2d8945de19d2c3885503da2c45928f233bd5766f1ce765f155d388860d446724", kill_on_drop: false }`
[INFO] [stderr]    Compiling cheque v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "2d8945de19d2c3885503da2c45928f233bd5766f1ce765f155d388860d446724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d8945de19d2c3885503da2c45928f233bd5766f1ce765f155d388860d446724", kill_on_drop: false }`
[INFO] [stdout] 2d8945de19d2c3885503da2c45928f233bd5766f1ce765f155d388860d446724
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45c3ecca416f2fe1c0b487fc57a85de1179c1a8e818632f45812dd2fd077587a
[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" "45c3ecca416f2fe1c0b487fc57a85de1179c1a8e818632f45812dd2fd077587a", kill_on_drop: false }`
[INFO] [stderr]    Compiling cheque v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "45c3ecca416f2fe1c0b487fc57a85de1179c1a8e818632f45812dd2fd077587a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45c3ecca416f2fe1c0b487fc57a85de1179c1a8e818632f45812dd2fd077587a", kill_on_drop: false }`
[INFO] [stdout] 45c3ecca416f2fe1c0b487fc57a85de1179c1a8e818632f45812dd2fd077587a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.49.0" "test" "--frozen", 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] 74826326a4401974d5f3312172b0d892dfc74bb9dd90e7216b22a7f37fa50ee6
[INFO] running `Command { std: "docker" "start" "-a" "74826326a4401974d5f3312172b0d892dfc74bb9dd90e7216b22a7f37fa50ee6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cheque-b2a8d67aebfb6bb7
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cheque
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test::compiles ... ok
[INFO] [stdout] test test::divide_by_zero ... ok
[INFO] [stdout] test test::empty_invoke ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test lib.rs - (line 26) ... ok
[INFO] [stdout] test lib.rs - (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "74826326a4401974d5f3312172b0d892dfc74bb9dd90e7216b22a7f37fa50ee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74826326a4401974d5f3312172b0d892dfc74bb9dd90e7216b22a7f37fa50ee6", kill_on_drop: false }`
[INFO] [stdout] 74826326a4401974d5f3312172b0d892dfc74bb9dd90e7216b22a7f37fa50ee6