[INFO] cloning repository https://github.com/cjrh/itertree-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cjrh/itertree-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjrh%2Fitertree-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjrh%2Fitertree-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c6fa3de91e473048209da28494cdebac37a8aa70
[INFO] checking cjrh/itertree-rs against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjrh%2Fitertree-rs" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cjrh/itertree-rs on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cjrh/itertree-rs
[INFO] finished tweaking git repo https://github.com/cjrh/itertree-rs
[INFO] tweaked toml for git repo https://github.com/cjrh/itertree-rs written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/cjrh/itertree-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", 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] 42d9a1ee2393c4d37ca19c68b921e511b0e7d95e4fab5171781c184473dd18f9
[INFO] running `Command { std: "docker" "start" "-a" "42d9a1ee2393c4d37ca19c68b921e511b0e7d95e4fab5171781c184473dd18f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42d9a1ee2393c4d37ca19c68b921e511b0e7d95e4fab5171781c184473dd18f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42d9a1ee2393c4d37ca19c68b921e511b0e7d95e4fab5171781c184473dd18f9", kill_on_drop: false }`
[INFO] [stdout] 42d9a1ee2393c4d37ca19c68b921e511b0e7d95e4fab5171781c184473dd18f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] fde72e641e1377701573578b5fb4c3fe6ce2c777f6c70470a5ab8e5fa36fede9
[INFO] running `Command { std: "docker" "start" "-a" "fde72e641e1377701573578b5fb4c3fe6ce2c777f6c70470a5ab8e5fa36fede9", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking itertree v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rstest v0.9.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.97s
[INFO] running `Command { std: "docker" "inspect" "fde72e641e1377701573578b5fb4c3fe6ce2c777f6c70470a5ab8e5fa36fede9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fde72e641e1377701573578b5fb4c3fe6ce2c777f6c70470a5ab8e5fa36fede9", kill_on_drop: false }`
[INFO] [stdout] fde72e641e1377701573578b5fb4c3fe6ce2c777f6c70470a5ab8e5fa36fede9