[INFO] cloning repository https://github.com/pranav97/rust-linear
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pranav97/rust-linear" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpranav97%2Frust-linear", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpranav97%2Frust-linear'...
[INFO] [stderr] fatal: write error: No space left on device
[INFO] [stderr] fatal: fetch-pack: invalid index-pack output
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/pranav97/rust-linear
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pranav97/rust-linear" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpranav97%2Frust-linear", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpranav97%2Frust-linear'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3ebdb86511f066414708f5534a0b46c64561e2e2
[INFO] checking pranav97/rust-linear against master#5a45ab9738330fb317d49e3594c2db5248b1e971 for pr-136303
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpranav97%2Frust-linear" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pranav97/rust-linear on toolchain 5a45ab9738330fb317d49e3594c2db5248b1e971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pranav97/rust-linear
[INFO] finished tweaking git repo https://github.com/pranav97/rust-linear
[INFO] tweaked toml for git repo https://github.com/pranav97/rust-linear written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/pranav97/rust-linear 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" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72eaa8da3cad07be8d1e711a2479669a222a8a5af2b834e5bd7679c1156e9505
[INFO] running `Command { std: "docker" "start" "-a" "72eaa8da3cad07be8d1e711a2479669a222a8a5af2b834e5bd7679c1156e9505", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72eaa8da3cad07be8d1e711a2479669a222a8a5af2b834e5bd7679c1156e9505", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72eaa8da3cad07be8d1e711a2479669a222a8a5af2b834e5bd7679c1156e9505", kill_on_drop: false }`
[INFO] [stdout] 72eaa8da3cad07be8d1e711a2479669a222a8a5af2b834e5bd7679c1156e9505
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] baa4129e5c108759e79cdf922812aaf5d3045f1452d29b3778b62ae4b0256cb6
[INFO] running `Command { std: "docker" "start" "-a" "baa4129e5c108759e79cdf922812aaf5d3045f1452d29b3778b62ae4b0256cb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]     Checking single_thread v0.1.0 (/opt/rustwide/workdir/single_thread)
[INFO] [stdout] warning: trait `Show` is never used
[INFO] [stdout]   --> single_thread/src/main.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | trait Show {
[INFO] [stdout]    |       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Show` is never used
[INFO] [stdout]   --> single_thread/src/main.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | trait Show {
[INFO] [stdout]    |       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking multi_thread v0.1.0 (/opt/rustwide/workdir/multi_thread)
[INFO] [stdout] warning: trait `Show` is never used
[INFO] [stdout]   --> multi_thread/src/main.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | trait Show {
[INFO] [stdout]    |       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Show` is never used
[INFO] [stdout]   --> multi_thread/src/main.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | trait Show {
[INFO] [stdout]    |       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "baa4129e5c108759e79cdf922812aaf5d3045f1452d29b3778b62ae4b0256cb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baa4129e5c108759e79cdf922812aaf5d3045f1452d29b3778b62ae4b0256cb6", kill_on_drop: false }`
[INFO] [stdout] baa4129e5c108759e79cdf922812aaf5d3045f1452d29b3778b62ae4b0256cb6