[INFO] cloning repository https://github.com/vsramanujan/CrackingTheCodingInterviewInRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vsramanujan/CrackingTheCodingInterviewInRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust/refs/heads: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/vsramanujan/CrackingTheCodingInterviewInRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vsramanujan/CrackingTheCodingInterviewInRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 2)
[INFO] cloning repository https://github.com/vsramanujan/CrackingTheCodingInterviewInRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vsramanujan/CrackingTheCodingInterviewInRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 3)
[INFO] cloning repository https://github.com/vsramanujan/CrackingTheCodingInterviewInRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vsramanujan/CrackingTheCodingInterviewInRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 4)
[INFO] cloning repository https://github.com/vsramanujan/CrackingTheCodingInterviewInRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vsramanujan/CrackingTheCodingInterviewInRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 5)
[INFO] cloning repository https://github.com/vsramanujan/CrackingTheCodingInterviewInRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vsramanujan/CrackingTheCodingInterviewInRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 6)
[INFO] cloning repository https://github.com/vsramanujan/CrackingTheCodingInterviewInRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vsramanujan/CrackingTheCodingInterviewInRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 7)
[INFO] cloning repository https://github.com/vsramanujan/CrackingTheCodingInterviewInRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vsramanujan/CrackingTheCodingInterviewInRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 8)
[INFO] cloning repository https://github.com/vsramanujan/CrackingTheCodingInterviewInRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vsramanujan/CrackingTheCodingInterviewInRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 9)
[INFO] cloning repository https://github.com/vsramanujan/CrackingTheCodingInterviewInRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vsramanujan/CrackingTheCodingInterviewInRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 10)
[INFO] cloning repository https://github.com/vsramanujan/CrackingTheCodingInterviewInRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vsramanujan/CrackingTheCodingInterviewInRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 11)
[INFO] cloning repository https://github.com/vsramanujan/CrackingTheCodingInterviewInRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vsramanujan/CrackingTheCodingInterviewInRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 12)
[INFO] cloning repository https://github.com/vsramanujan/CrackingTheCodingInterviewInRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vsramanujan/CrackingTheCodingInterviewInRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 13)
[INFO] cloning repository https://github.com/vsramanujan/CrackingTheCodingInterviewInRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vsramanujan/CrackingTheCodingInterviewInRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 14)
[INFO] cloning repository https://github.com/vsramanujan/CrackingTheCodingInterviewInRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vsramanujan/CrackingTheCodingInterviewInRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 424b84998e8ac1fce6433feea8d288d893210a42
[INFO] testing vsramanujan/CrackingTheCodingInterviewInRust against master#ebf0cf75d368c035f4c7e7246d203bd469ee4a51 for pr-137940
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsramanujan%2FCrackingTheCodingInterviewInRust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vsramanujan/CrackingTheCodingInterviewInRust 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/vsramanujan/CrackingTheCodingInterviewInRust
[INFO] finished tweaking git repo https://github.com/vsramanujan/CrackingTheCodingInterviewInRust
[INFO] tweaked toml for git repo https://github.com/vsramanujan/CrackingTheCodingInterviewInRust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/vsramanujan/CrackingTheCodingInterviewInRust 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f018632f63db6dba7812524b9fccfb46b9fefbafdf74414bd623f0d77aaeaea3
[INFO] running `Command { std: "docker" "start" "-a" "f018632f63db6dba7812524b9fccfb46b9fefbafdf74414bd623f0d77aaeaea3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f018632f63db6dba7812524b9fccfb46b9fefbafdf74414bd623f0d77aaeaea3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f018632f63db6dba7812524b9fccfb46b9fefbafdf74414bd623f0d77aaeaea3", kill_on_drop: false }`
[INFO] [stdout] f018632f63db6dba7812524b9fccfb46b9fefbafdf74414bd623f0d77aaeaea3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/22372138891c361838492c307d53f9357c6e4f60068615568fd93123f81d3579-init/merged/dev/pts: no space left on device