[INFO] cloning repository https://github.com/ToolsForHumans/shyaml
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ToolsForHumans/shyaml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FToolsForHumans%2Fshyaml", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FToolsForHumans%2Fshyaml'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4cd573d8fe94f47c89132f42c224b73b4875bf2b
[INFO] checking ToolsForHumans/shyaml against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FToolsForHumans%2Fshyaml" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ToolsForHumans/shyaml on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ToolsForHumans/shyaml
[INFO] finished tweaking git repo https://github.com/ToolsForHumans/shyaml
[INFO] tweaked toml for git repo https://github.com/ToolsForHumans/shyaml written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/ToolsForHumans/shyaml already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded yaml-rust v0.4.2
[INFO] [stderr]   Downloaded quote v0.6.9
[INFO] [stderr]   Downloaded serde_yaml v0.8.7
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4c0b56e33e0bcea006453a36ca03ffa9bb5d2f80fb9a95cfdb073e0a261e68d
[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" "e4c0b56e33e0bcea006453a36ca03ffa9bb5d2f80fb9a95cfdb073e0a261e68d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4c0b56e33e0bcea006453a36ca03ffa9bb5d2f80fb9a95cfdb073e0a261e68d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4c0b56e33e0bcea006453a36ca03ffa9bb5d2f80fb9a95cfdb073e0a261e68d", kill_on_drop: false }`
[INFO] [stdout] e4c0b56e33e0bcea006453a36ca03ffa9bb5d2f80fb9a95cfdb073e0a261e68d
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b6f9b0c3f5bd0e015005cc94ababf5d356082c8230e0480992c11a0a90cffcf
[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" "7b6f9b0c3f5bd0e015005cc94ababf5d356082c8230e0480992c11a0a90cffcf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking yaml-rust v0.4.2
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling quote v0.6.9
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling syn v0.15.15
[INFO] [stderr]     Checking serde_yaml v0.8.7
[INFO] [stderr]     Checking serde_json v1.0.32
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking shyaml v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.12s
[INFO] running `Command { std: "docker" "inspect" "7b6f9b0c3f5bd0e015005cc94ababf5d356082c8230e0480992c11a0a90cffcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b6f9b0c3f5bd0e015005cc94ababf5d356082c8230e0480992c11a0a90cffcf", kill_on_drop: false }`
[INFO] [stdout] 7b6f9b0c3f5bd0e015005cc94ababf5d356082c8230e0480992c11a0a90cffcf