[INFO] cloning repository https://github.com/nicholasbishop/rust-conversions
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nicholasbishop/rust-conversions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicholasbishop%2Frust-conversions", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicholasbishop%2Frust-conversions'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f0e5bac000b2b3b8b4a2a7b2165a1b3201275a2
[INFO] checking nicholasbishop/rust-conversions against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicholasbishop%2Frust-conversions" "/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/nicholasbishop/rust-conversions on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nicholasbishop/rust-conversions
[INFO] finished tweaking git repo https://github.com/nicholasbishop/rust-conversions
[INFO] tweaked toml for git repo https://github.com/nicholasbishop/rust-conversions written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/nicholasbishop/rust-conversions already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 227c2a74b178257b76bf629690df9658170ecd572e41b6965f0ee956e79c847f
[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" "227c2a74b178257b76bf629690df9658170ecd572e41b6965f0ee956e79c847f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "227c2a74b178257b76bf629690df9658170ecd572e41b6965f0ee956e79c847f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "227c2a74b178257b76bf629690df9658170ecd572e41b6965f0ee956e79c847f", kill_on_drop: false }`
[INFO] [stdout] 227c2a74b178257b76bf629690df9658170ecd572e41b6965f0ee956e79c847f
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1f4b3039685f366ecb5546836e3adffffe50d43f3cff9741ab3dbdcae3910e9
[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" "b1f4b3039685f366ecb5546836e3adffffe50d43f3cff9741ab3dbdcae3910e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]    Compiling onig_sys v69.5.1
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking proc-macro2 v1.0.23
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking nom v5.1.2
[INFO] [stderr]     Checking flate2 v1.0.18
[INFO] [stderr]     Checking os_pipe v0.9.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking command-run v0.13.0
[INFO] [stderr]     Checking onig v6.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling fehler-macros v1.0.0
[INFO] [stderr]     Checking fehler v1.0.0
[INFO] [stderr]     Checking serde v1.0.116
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking serde_json v1.0.58
[INFO] [stderr]     Checking plist v1.0.0
[INFO] [stderr]     Checking syntect v4.4.0
[INFO] [stderr]    Compiling askama_shared v0.10.4
[INFO] [stderr]    Compiling askama_derive v0.10.3
[INFO] [stderr]     Checking askama v0.10.3
[INFO] [stderr]     Checking rust-conversions v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 27s
[INFO] running `Command { std: "docker" "inspect" "b1f4b3039685f366ecb5546836e3adffffe50d43f3cff9741ab3dbdcae3910e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1f4b3039685f366ecb5546836e3adffffe50d43f3cff9741ab3dbdcae3910e9", kill_on_drop: false }`
[INFO] [stdout] b1f4b3039685f366ecb5546836e3adffffe50d43f3cff9741ab3dbdcae3910e9