[INFO] cloning repository https://github.com/kermit4/first_8_hours_of_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kermit4/first_8_hours_of_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkermit4%2Ffirst_8_hours_of_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkermit4%2Ffirst_8_hours_of_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fb3a8a0ee401bfeba0085542e5ee0d82aef90e78
[INFO] checking kermit4/first_8_hours_of_rust against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkermit4%2Ffirst_8_hours_of_rust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kermit4/first_8_hours_of_rust on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kermit4/first_8_hours_of_rust
[INFO] finished tweaking git repo https://github.com/kermit4/first_8_hours_of_rust
[INFO] tweaked toml for git repo https://github.com/kermit4/first_8_hours_of_rust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/kermit4/first_8_hours_of_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1fab009764b8346a36e0949b5cebdfca950a589da91fdde8a19cdf154e42eef4
[INFO] running `Command { std: "docker" "start" "-a" "1fab009764b8346a36e0949b5cebdfca950a589da91fdde8a19cdf154e42eef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fab009764b8346a36e0949b5cebdfca950a589da91fdde8a19cdf154e42eef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fab009764b8346a36e0949b5cebdfca950a589da91fdde8a19cdf154e42eef4", kill_on_drop: false }`
[INFO] [stdout] 1fab009764b8346a36e0949b5cebdfca950a589da91fdde8a19cdf154e42eef4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dda14aadeab03cef5bbf5f30951cfc9a2cba0b8f2af8c349d7f235d71c7b6e26
[INFO] running `Command { std: "docker" "start" "-a" "dda14aadeab03cef5bbf5f30951cfc9a2cba0b8f2af8c349d7f235d71c7b6e26", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]     Checking serde v1.0.123
[INFO] [stderr]     Checking bincode v1.3.2
[INFO] [stderr]     Checking serde-big-array v0.3.1
[INFO] [stderr]     Checking udp_uploader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.53s
[INFO] running `Command { std: "docker" "inspect" "dda14aadeab03cef5bbf5f30951cfc9a2cba0b8f2af8c349d7f235d71c7b6e26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dda14aadeab03cef5bbf5f30951cfc9a2cba0b8f2af8c349d7f235d71c7b6e26", kill_on_drop: false }`
[INFO] [stdout] dda14aadeab03cef5bbf5f30951cfc9a2cba0b8f2af8c349d7f235d71c7b6e26