[INFO] cloning repository https://github.com/jemmyw/ev3_follow_the_line
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jemmyw/ev3_follow_the_line" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjemmyw%2Fev3_follow_the_line", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjemmyw%2Fev3_follow_the_line'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae58e72f289f91382e2cd872b22b57be97bbac76
[INFO] checking jemmyw/ev3_follow_the_line against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjemmyw%2Fev3_follow_the_line" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jemmyw/ev3_follow_the_line on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-11/source/.cargo/config
[INFO] started tweaking git repo https://github.com/jemmyw/ev3_follow_the_line
[INFO] finished tweaking git repo https://github.com/jemmyw/ev3_follow_the_line
[INFO] tweaked toml for git repo https://github.com/jemmyw/ev3_follow_the_line written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/jemmyw/ev3_follow_the_line already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ev3dev-lang-rust-derive v0.8.0
[INFO] [stderr]   Downloaded ev3dev-lang-rust v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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] 0ad19441c37a780638ff015d4b2b80d7d4896a3efc7530e9fb1c66db2b5f60bf
[INFO] running `Command { std: "docker" "start" "-a" "0ad19441c37a780638ff015d4b2b80d7d4896a3efc7530e9fb1c66db2b5f60bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ad19441c37a780638ff015d4b2b80d7d4896a3efc7530e9fb1c66db2b5f60bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ad19441c37a780638ff015d4b2b80d7d4896a3efc7530e9fb1c66db2b5f60bf", kill_on_drop: false }`
[INFO] [stdout] 0ad19441c37a780638ff015d4b2b80d7d4896a3efc7530e9fb1c66db2b5f60bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0dca467fdbd454bebd8993773cbcf19c4ee3c747df3e7380ed8ad667847ee4e4
[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" "0dca467fdbd454bebd8993773cbcf19c4ee3c747df3e7380ed8ad667847ee4e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.21
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling quote v1.0.5
[INFO] [stderr]    Compiling ev3dev-lang-rust-derive v0.8.0
[INFO] [stderr]     Checking ev3dev-lang-rust v0.8.0
[INFO] [stderr]     Checking ev3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.93s
[INFO] running `Command { std: "docker" "inspect" "0dca467fdbd454bebd8993773cbcf19c4ee3c747df3e7380ed8ad667847ee4e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dca467fdbd454bebd8993773cbcf19c4ee3c747df3e7380ed8ad667847ee4e4", kill_on_drop: false }`
[INFO] [stdout] 0dca467fdbd454bebd8993773cbcf19c4ee3c747df3e7380ed8ad667847ee4e4