[INFO] fetching crate chamkho 0.3.1...
[INFO] checking chamkho-0.3.1 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate chamkho 0.3.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate chamkho 0.3.1 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chamkho 0.3.1
[INFO] finished tweaking crates.io crate chamkho 0.3.1
[INFO] tweaked toml for crates.io crate chamkho 0.3.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate chamkho 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ansi_term v0.6.3
[INFO] [stderr]   Downloaded strsim v0.4.1
[INFO] [stderr]   Downloaded prefixtree v0.1.3
[INFO] [stderr]   Downloaded clap v1.3.2
[INFO] [stderr]   Downloaded wordcut-engine v0.1.1
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ed548d3f7daac5acf6d6b8f4d7203d9b84848aff8ef60c066b9ddbc733c17f6
[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" "2ed548d3f7daac5acf6d6b8f4d7203d9b84848aff8ef60c066b9ddbc733c17f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ed548d3f7daac5acf6d6b8f4d7203d9b84848aff8ef60c066b9ddbc733c17f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ed548d3f7daac5acf6d6b8f4d7203d9b84848aff8ef60c066b9ddbc733c17f6", kill_on_drop: false }`
[INFO] [stdout] 2ed548d3f7daac5acf6d6b8f4d7203d9b84848aff8ef60c066b9ddbc733c17f6
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6855899f1e4967af0f48749d28ff9153264ead56bb19f06507d136ebe55d9b6d
[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" "6855899f1e4967af0f48749d28ff9153264ead56bb19f06507d136ebe55d9b6d", kill_on_drop: false }`
[INFO] [stderr]     Checking prefixtree v0.1.3
[INFO] [stderr]     Checking strsim v0.4.1
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking ansi_term v0.6.3
[INFO] [stderr]     Checking yaml-rust v0.2.2
[INFO] [stderr]     Checking wordcut-engine v0.1.1
[INFO] [stderr]     Checking clap v1.3.2
[INFO] [stderr]     Checking chamkho v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `Command { std: "docker" "inspect" "6855899f1e4967af0f48749d28ff9153264ead56bb19f06507d136ebe55d9b6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6855899f1e4967af0f48749d28ff9153264ead56bb19f06507d136ebe55d9b6d", kill_on_drop: false }`
[INFO] [stdout] 6855899f1e4967af0f48749d28ff9153264ead56bb19f06507d136ebe55d9b6d