[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/4cd573d8fe94f47c89132f42c224b73b4875bf2b against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FToolsForHumans%2Fshyaml" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ToolsForHumans/shyaml on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "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-5-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded linked-hash-map v0.5.1
[INFO] [stderr]   Downloaded serde_yaml v0.8.7
[INFO] [stderr]   Downloaded quote v0.6.9
[INFO] [stderr]   Downloaded dtoa v0.4.3
[INFO] [stderr]   Downloaded syn v0.15.15
[INFO] [stderr]   Downloaded yaml-rust v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66ec6c0033ea3be5ae416c75f912844d74efd68380618ae90292da6ae72a1f32
[INFO] running `Command { std: "docker" "start" "-a" "66ec6c0033ea3be5ae416c75f912844d74efd68380618ae90292da6ae72a1f32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66ec6c0033ea3be5ae416c75f912844d74efd68380618ae90292da6ae72a1f32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66ec6c0033ea3be5ae416c75f912844d74efd68380618ae90292da6ae72a1f32", kill_on_drop: false }`
[INFO] [stdout] 66ec6c0033ea3be5ae416c75f912844d74efd68380618ae90292da6ae72a1f32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d93497f0c51d0d59e039a89c5f47deeb7fbf376fc546783a7c79e0ace29bd5f4
[INFO] running `Command { std: "docker" "start" "-a" "d93497f0c51d0d59e039a89c5f47deeb7fbf376fc546783a7c79e0ace29bd5f4", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[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 ryu v0.2.6
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]     Checking yaml-rust v0.4.2
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling quote v0.6.9
[INFO] [stderr]    Compiling syn v0.15.15
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking serde_json v1.0.32
[INFO] [stderr]     Checking serde_yaml v0.8.7
[INFO] [stderr]     Checking shyaml v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.58s
[INFO] running `Command { std: "docker" "inspect" "d93497f0c51d0d59e039a89c5f47deeb7fbf376fc546783a7c79e0ace29bd5f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d93497f0c51d0d59e039a89c5f47deeb7fbf376fc546783a7c79e0ace29bd5f4", kill_on_drop: false }`
[INFO] [stdout] d93497f0c51d0d59e039a89c5f47deeb7fbf376fc546783a7c79e0ace29bd5f4