[INFO] cloning repository https://github.com/xhzccxyc/rustclass1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xhzccxyc/rustclass1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxhzccxyc%2Frustclass1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxhzccxyc%2Frustclass1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 31db6f1778b4ffdbac1c2ce1a947396f340ea83f
[INFO] checking xhzccxyc/rustclass1 against master#91c0823ee63e793d990bb9fed898dc95b5d6db51 for pr-125741
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxhzccxyc%2Frustclass1" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xhzccxyc/rustclass1 on toolchain 91c0823ee63e793d990bb9fed898dc95b5d6db51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xhzccxyc/rustclass1
[INFO] finished tweaking git repo https://github.com/xhzccxyc/rustclass1
[INFO] tweaked toml for git repo https://github.com/xhzccxyc/rustclass1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/xhzccxyc/rustclass1 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" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72c03e990cd475b321ad6fffec03ce2a63c1349ccb15544136633ced35f70355
[INFO] running `Command { std: "docker" "start" "-a" "72c03e990cd475b321ad6fffec03ce2a63c1349ccb15544136633ced35f70355", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72c03e990cd475b321ad6fffec03ce2a63c1349ccb15544136633ced35f70355", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72c03e990cd475b321ad6fffec03ce2a63c1349ccb15544136633ced35f70355", kill_on_drop: false }`
[INFO] [stdout] 72c03e990cd475b321ad6fffec03ce2a63c1349ccb15544136633ced35f70355
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7aeadd33cc3f2dc119138b18adba1597116267c0c142f5ed6e2d6ebe32416044
[INFO] running `Command { std: "docker" "start" "-a" "7aeadd33cc3f2dc119138b18adba1597116267c0c142f5ed6e2d6ebe32416044", kill_on_drop: false }`
[INFO] [stderr]     Checking character-printer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `print_charactersatoZ` should have a snake case name
[INFO] [stdout]  --> src/one_layer.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn print_charactersatoZ() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `print_charactersato_z`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_charactersAtoz` should have a snake case name
[INFO] [stdout]  --> src/two_layer.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn print_charactersAtoz() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `print_characters_atoz`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_charactersatoZ` should have a snake case name
[INFO] [stdout]  --> src/one_layer.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn print_charactersatoZ() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `print_charactersato_z`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_charactersAtoz` should have a snake case name
[INFO] [stdout]  --> src/two_layer.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn print_charactersAtoz() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `print_characters_atoz`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "7aeadd33cc3f2dc119138b18adba1597116267c0c142f5ed6e2d6ebe32416044", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aeadd33cc3f2dc119138b18adba1597116267c0c142f5ed6e2d6ebe32416044", kill_on_drop: false }`
[INFO] [stdout] 7aeadd33cc3f2dc119138b18adba1597116267c0c142f5ed6e2d6ebe32416044
[INFO] checking xhzccxyc/rustclass1 against try#0525276e4a85ae0a91f6f7447e501e2981e77908 for pr-125741
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxhzccxyc%2Frustclass1" "/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/xhzccxyc/rustclass1 on toolchain 0525276e4a85ae0a91f6f7447e501e2981e77908
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0525276e4a85ae0a91f6f7447e501e2981e77908" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xhzccxyc/rustclass1
[INFO] finished tweaking git repo https://github.com/xhzccxyc/rustclass1
[INFO] tweaked toml for git repo https://github.com/xhzccxyc/rustclass1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/xhzccxyc/rustclass1 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" "+0525276e4a85ae0a91f6f7447e501e2981e77908" "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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+0525276e4a85ae0a91f6f7447e501e2981e77908" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: write /var/lib/docker/overlay2/50ffca8e9822f6dcac29b5854358cfc7936ba58748c005519b61492b9dab7131/link: no space left on device
[INFO] checking xhzccxyc/rustclass1 against try#0525276e4a85ae0a91f6f7447e501e2981e77908 for pr-125741
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxhzccxyc%2Frustclass1" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] fatal: failed to create directory '/workspace/builds/worker-6-tc2/source/.git/objects/31': No space left on device
[INFO] [stderr] fatal: the remote end hung up unexpectedly
[INFO] checking xhzccxyc/rustclass1 against try#0525276e4a85ae0a91f6f7447e501e2981e77908 for pr-125741
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxhzccxyc%2Frustclass1" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] fatal: failed to create directory '/workspace/builds/worker-6-tc2/source/.git/objects/b7': No space left on device
[INFO] [stderr] fatal: the remote end hung up unexpectedly
[INFO] checking xhzccxyc/rustclass1 against try#0525276e4a85ae0a91f6f7447e501e2981e77908 for pr-125741
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxhzccxyc%2Frustclass1" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] fatal: failed to create directory '/workspace/builds/worker-6-tc2/source/.git/objects/b7': No space left on device
[INFO] [stderr] fatal: the remote end hung up unexpectedly
[INFO] checking xhzccxyc/rustclass1 against try#0525276e4a85ae0a91f6f7447e501e2981e77908 for pr-125741
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxhzccxyc%2Frustclass1" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] fatal: failed to create directory '/workspace/builds/worker-6-tc2/source/.git/objects/21': No space left on device
[INFO] [stderr] fatal: the remote end hung up unexpectedly
[ERROR] this task or one of its parent failed!
[ERROR] failed to checkout https://github.com/xhzccxyc/rustclass1
[ERROR] caused by: command failed: exit status: 128
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.