[INFO] cloning repository https://github.com/yjching/rust-learning-path
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yjching/rust-learning-path" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyjching%2Frust-learning-path", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyjching%2Frust-learning-path'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 212701126d970e7b072c25101a6615962a16432e
[INFO] testing yjching/rust-learning-path against master#ebf0cf75d368c035f4c7e7246d203bd469ee4a51 for pr-137940
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyjching%2Frust-learning-path" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yjching/rust-learning-path on toolchain ebf0cf75d368c035f4c7e7246d203bd469ee4a51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yjching/rust-learning-path
[INFO] finished tweaking git repo https://github.com/yjching/rust-learning-path
[INFO] tweaked toml for git repo https://github.com/yjching/rust-learning-path written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/yjching/rust-learning-path 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" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf5ec3a3b838426e8d94251e26043208ec5249a87a5257ac703a4cc6ab0b00df
[INFO] running `Command { std: "docker" "start" "-a" "cf5ec3a3b838426e8d94251e26043208ec5249a87a5257ac703a4cc6ab0b00df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf5ec3a3b838426e8d94251e26043208ec5249a87a5257ac703a4cc6ab0b00df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf5ec3a3b838426e8d94251e26043208ec5249a87a5257ac703a4cc6ab0b00df", kill_on_drop: false }`
[INFO] [stdout] cf5ec3a3b838426e8d94251e26043208ec5249a87a5257ac703a4cc6ab0b00df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3485e63b3fe2440eeeb703b013e211b40c28fc0f7b985f65b6e27fdef78ca3cf
[INFO] running `Command { std: "docker" "start" "-a" "3485e63b3fe2440eeeb703b013e211b40c28fc0f7b985f65b6e27fdef78ca3cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello-cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "3485e63b3fe2440eeeb703b013e211b40c28fc0f7b985f65b6e27fdef78ca3cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3485e63b3fe2440eeeb703b013e211b40c28fc0f7b985f65b6e27fdef78ca3cf", kill_on_drop: false }`
[INFO] [stdout] 3485e63b3fe2440eeeb703b013e211b40c28fc0f7b985f65b6e27fdef78ca3cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 625976202c3c2e3a0003d6b79fabd17207d36bdcdeb32ee294ebf8e69b9fed95
[INFO] running `Command { std: "docker" "start" "-a" "625976202c3c2e3a0003d6b79fabd17207d36bdcdeb32ee294ebf8e69b9fed95", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/9342cf3dc88a963654d77cd2f38229bb62a1d712bfc2da4d7dd4dfa8ef439fa4/merged: no space left on device
[INFO] running `Command { std: "docker" "inspect" "625976202c3c2e3a0003d6b79fabd17207d36bdcdeb32ee294ebf8e69b9fed95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "625976202c3c2e3a0003d6b79fabd17207d36bdcdeb32ee294ebf8e69b9fed95", kill_on_drop: false }`
[INFO] [stdout] 625976202c3c2e3a0003d6b79fabd17207d36bdcdeb32ee294ebf8e69b9fed95