[INFO] cloning repository https://github.com/DdZ-Fred/rust_christmas_carol
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DdZ-Fred/rust_christmas_carol" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDdZ-Fred%2Frust_christmas_carol", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDdZ-Fred%2Frust_christmas_carol'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e53d34b0b3ee615a5e0f991375a4e830d5c6f0a7
[INFO] checking DdZ-Fred/rust_christmas_carol against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDdZ-Fred%2Frust_christmas_carol" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DdZ-Fred/rust_christmas_carol on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DdZ-Fred/rust_christmas_carol
[INFO] finished tweaking git repo https://github.com/DdZ-Fred/rust_christmas_carol
[INFO] tweaked toml for git repo https://github.com/DdZ-Fred/rust_christmas_carol written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/DdZ-Fred/rust_christmas_carol already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53427149d7ca70b7fcb89f413b19d7a4550377882f13958a0aa0a1cb1e7c3cf4
[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" "53427149d7ca70b7fcb89f413b19d7a4550377882f13958a0aa0a1cb1e7c3cf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53427149d7ca70b7fcb89f413b19d7a4550377882f13958a0aa0a1cb1e7c3cf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53427149d7ca70b7fcb89f413b19d7a4550377882f13958a0aa0a1cb1e7c3cf4", kill_on_drop: false }`
[INFO] [stdout] 53427149d7ca70b7fcb89f413b19d7a4550377882f13958a0aa0a1cb1e7c3cf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 044b7e2d96d059dd3c9aa76a2e4a8d8098af2226dff6db4a1c94c0ab10cce289
[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" "044b7e2d96d059dd3c9aa76a2e4a8d8098af2226dff6db4a1c94c0ab10cce289", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rust_christmas_carol v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "044b7e2d96d059dd3c9aa76a2e4a8d8098af2226dff6db4a1c94c0ab10cce289", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "044b7e2d96d059dd3c9aa76a2e4a8d8098af2226dff6db4a1c94c0ab10cce289", kill_on_drop: false }`
[INFO] [stdout] 044b7e2d96d059dd3c9aa76a2e4a8d8098af2226dff6db4a1c94c0ab10cce289