[INFO] cloning repository https://github.com/tyoc213-side-quests/rustbook-ch20-simple-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tyoc213-side-quests/rustbook-ch20-simple-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyoc213-side-quests%2Frustbook-ch20-simple-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyoc213-side-quests%2Frustbook-ch20-simple-server'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyoc213-side-quests%2Frustbook-ch20-simple-server: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/tyoc213-side-quests/rustbook-ch20-simple-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tyoc213-side-quests/rustbook-ch20-simple-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyoc213-side-quests%2Frustbook-ch20-simple-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyoc213-side-quests%2Frustbook-ch20-simple-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 77f5ce79c6434f2d2b50d637b0651413a8154662
[INFO] checking tyoc213-side-quests/rustbook-ch20-simple-server against try#af54b6062f33b99e418444700f3a823ef0214052 for pr-138952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyoc213-side-quests%2Frustbook-ch20-simple-server" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tyoc213-side-quests/rustbook-ch20-simple-server on toolchain af54b6062f33b99e418444700f3a823ef0214052
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af54b6062f33b99e418444700f3a823ef0214052" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tyoc213-side-quests/rustbook-ch20-simple-server
[INFO] finished tweaking git repo https://github.com/tyoc213-side-quests/rustbook-ch20-simple-server
[INFO] tweaked toml for git repo https://github.com/tyoc213-side-quests/rustbook-ch20-simple-server written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tyoc213-side-quests/rustbook-ch20-simple-server 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" "+af54b6062f33b99e418444700f3a823ef0214052" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+af54b6062f33b99e418444700f3a823ef0214052" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aff353a82e1e69623716ac9c167299d8d2c72a58cb2775c089396a9872322cfa
[INFO] running `Command { std: "docker" "start" "-a" "aff353a82e1e69623716ac9c167299d8d2c72a58cb2775c089396a9872322cfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aff353a82e1e69623716ac9c167299d8d2c72a58cb2775c089396a9872322cfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aff353a82e1e69623716ac9c167299d8d2c72a58cb2775c089396a9872322cfa", kill_on_drop: false }`
[INFO] [stdout] aff353a82e1e69623716ac9c167299d8d2c72a58cb2775c089396a9872322cfa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+af54b6062f33b99e418444700f3a823ef0214052" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81a13d016f5e7e531d6e04a53bd5ba90c798ca00dbc52991766a64d1dc137028
[INFO] running `Command { std: "docker" "start" "-a" "81a13d016f5e7e531d6e04a53bd5ba90c798ca00dbc52991766a64d1dc137028", kill_on_drop: false }`
[INFO] [stderr]     Checking rustbook-ch20 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `job`
[INFO] [stdout]   --> src/lib.rs:18:20
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 Ok(job) => {
[INFO] [stdout]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_job`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `job`
[INFO] [stdout]   --> src/lib.rs:18:20
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 Ok(job) => {
[INFO] [stdout]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_job`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/rustbook_ch20-ed27f49b58298621.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/rustbook-ch20-ed27f49b58298621/dep-lib-rustbook_ch20`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "81a13d016f5e7e531d6e04a53bd5ba90c798ca00dbc52991766a64d1dc137028", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81a13d016f5e7e531d6e04a53bd5ba90c798ca00dbc52991766a64d1dc137028", kill_on_drop: false }`
[INFO] [stdout] 81a13d016f5e7e531d6e04a53bd5ba90c798ca00dbc52991766a64d1dc137028