[INFO] cloning repository https://github.com/CodogoFreddie/rusty-lemon-bar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CodogoFreddie/rusty-lemon-bar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCodogoFreddie%2Frusty-lemon-bar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCodogoFreddie%2Frusty-lemon-bar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 344092394ca261a6f53bc94910ae56f17736ab7f
[INFO] checking CodogoFreddie/rusty-lemon-bar against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCodogoFreddie%2Frusty-lemon-bar" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CodogoFreddie/rusty-lemon-bar on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CodogoFreddie/rusty-lemon-bar
[INFO] finished tweaking git repo https://github.com/CodogoFreddie/rusty-lemon-bar
[INFO] tweaked toml for git repo https://github.com/CodogoFreddie/rusty-lemon-bar written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/CodogoFreddie/rusty-lemon-bar already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded i3ipc v0.8.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "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] 41ec2cab4024c21b1df3febec8c9f894b0b9c10328a4cf12ddb61ee47f887094
[INFO] running `Command { std: "docker" "start" "-a" "41ec2cab4024c21b1df3febec8c9f894b0b9c10328a4cf12ddb61ee47f887094", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41ec2cab4024c21b1df3febec8c9f894b0b9c10328a4cf12ddb61ee47f887094", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41ec2cab4024c21b1df3febec8c9f894b0b9c10328a4cf12ddb61ee47f887094", kill_on_drop: false }`
[INFO] [stdout] 41ec2cab4024c21b1df3febec8c9f894b0b9c10328a4cf12ddb61ee47f887094
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe9779f4a9c0c40d7916ab84459b924e7a2129d56a05469db642f7323f7f7593
[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" "fe9779f4a9c0c40d7916ab84459b924e7a2129d56a05469db642f7323f7f7593", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking bytesize v1.0.1
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking systemstat v0.1.5
[INFO] [stderr]     Checking serde_json v1.0.32
[INFO] [stderr]     Checking i3ipc v0.8.4
[INFO] [stderr]     Checking rusty-lemon-bar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.38s
[INFO] running `Command { std: "docker" "inspect" "fe9779f4a9c0c40d7916ab84459b924e7a2129d56a05469db642f7323f7f7593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe9779f4a9c0c40d7916ab84459b924e7a2129d56a05469db642f7323f7f7593", kill_on_drop: false }`
[INFO] [stdout] fe9779f4a9c0c40d7916ab84459b924e7a2129d56a05469db642f7323f7f7593