[INFO] cloning repository https://github.com/parallela/rust-learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/parallela/rust-learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparallela%2Frust-learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparallela%2Frust-learning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ba61c434c23f2b87e67e35c7b2289459a29439e9
[INFO] checking parallela/rust-learning against try#f17e3a389e192f83fe27a581774a9d1dbb8e565b for pr-137394
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparallela%2Frust-learning" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/parallela/rust-learning on toolchain f17e3a389e192f83fe27a581774a9d1dbb8e565b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f17e3a389e192f83fe27a581774a9d1dbb8e565b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/parallela/rust-learning
[INFO] finished tweaking git repo https://github.com/parallela/rust-learning
[INFO] tweaked toml for git repo https://github.com/parallela/rust-learning written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/parallela/rust-learning already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f17e3a389e192f83fe27a581774a9d1dbb8e565b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+f17e3a389e192f83fe27a581774a9d1dbb8e565b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72da16ae5b6555ed6a7f0442838409a8516dcdacd81f309a802e56d7034bf581
[INFO] running `Command { std: "docker" "start" "-a" "72da16ae5b6555ed6a7f0442838409a8516dcdacd81f309a802e56d7034bf581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72da16ae5b6555ed6a7f0442838409a8516dcdacd81f309a802e56d7034bf581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72da16ae5b6555ed6a7f0442838409a8516dcdacd81f309a802e56d7034bf581", kill_on_drop: false }`
[INFO] [stdout] 72da16ae5b6555ed6a7f0442838409a8516dcdacd81f309a802e56d7034bf581
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+f17e3a389e192f83fe27a581774a9d1dbb8e565b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a981978e2299e608752b85db018cdd8906b14499f427d8185977604040103c50
[INFO] running `Command { std: "docker" "start" "-a" "a981978e2299e608752b85db018cdd8906b14499f427d8185977604040103c50", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking rust_learn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.62s
[INFO] running `Command { std: "docker" "inspect" "a981978e2299e608752b85db018cdd8906b14499f427d8185977604040103c50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a981978e2299e608752b85db018cdd8906b14499f427d8185977604040103c50", kill_on_drop: false }`
[INFO] [stdout] a981978e2299e608752b85db018cdd8906b14499f427d8185977604040103c50