[INFO] fetching crate fuckit 0.2.1...
[INFO] checking fuckit-0.2.1 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate fuckit 0.2.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate fuckit 0.2.1 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fuckit 0.2.1
[INFO] finished tweaking crates.io crate fuckit 0.2.1
[INFO] tweaked toml for crates.io crate fuckit 0.2.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7015d28da2a2563da1d42f41e3403e35c99cdeb5cd0b727db4d569c66e456b9f
[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" "7015d28da2a2563da1d42f41e3403e35c99cdeb5cd0b727db4d569c66e456b9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7015d28da2a2563da1d42f41e3403e35c99cdeb5cd0b727db4d569c66e456b9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7015d28da2a2563da1d42f41e3403e35c99cdeb5cd0b727db4d569c66e456b9f", kill_on_drop: false }`
[INFO] [stdout] 7015d28da2a2563da1d42f41e3403e35c99cdeb5cd0b727db4d569c66e456b9f
[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=forbid" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbcdd603c9f002742a38fff5d15ca2e80fbefb3e55b57a3c8cadae1509db39bf
[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" "dbcdd603c9f002742a38fff5d15ca2e80fbefb3e55b57a3c8cadae1509db39bf", kill_on_drop: false }`
[INFO] [stderr]     Checking fuckit v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `maybe_uninit` has been stable since 1.36.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:32
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(alloc_layout_extra, maybe_uninit)]
[INFO] [stdout]   |                                ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `maybe_uninit` has been stable since 1.36.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:32
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(alloc_layout_extra, maybe_uninit)]
[INFO] [stdout]   |                                ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "dbcdd603c9f002742a38fff5d15ca2e80fbefb3e55b57a3c8cadae1509db39bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbcdd603c9f002742a38fff5d15ca2e80fbefb3e55b57a3c8cadae1509db39bf", kill_on_drop: false }`
[INFO] [stdout] dbcdd603c9f002742a38fff5d15ca2e80fbefb3e55b57a3c8cadae1509db39bf