[INFO] cloning repository https://github.com/mlindsk/rust-journey
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mlindsk/rust-journey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlindsk%2Frust-journey", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlindsk%2Frust-journey'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlindsk%2Frust-journey: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/mlindsk/rust-journey
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mlindsk/rust-journey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlindsk%2Frust-journey", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlindsk%2Frust-journey'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] caf572b135a82fdd618f397bf7dc3b6d379ffe25
[INFO] testing mlindsk/rust-journey against try#7af779037716ae4125ceabb429791b4cf5dd0a43 for pr-136932
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlindsk%2Frust-journey" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mlindsk/rust-journey on toolchain 7af779037716ae4125ceabb429791b4cf5dd0a43
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mlindsk/rust-journey
[INFO] finished tweaking git repo https://github.com/mlindsk/rust-journey
[INFO] tweaked toml for git repo https://github.com/mlindsk/rust-journey written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mlindsk/rust-journey 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" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2255d3bfe254ddb96c8a3c013660763064b97d6634bf13d6f88ef3e2cb4c95b
[INFO] running `Command { std: "docker" "start" "-a" "b2255d3bfe254ddb96c8a3c013660763064b97d6634bf13d6f88ef3e2cb4c95b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2255d3bfe254ddb96c8a3c013660763064b97d6634bf13d6f88ef3e2cb4c95b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2255d3bfe254ddb96c8a3c013660763064b97d6634bf13d6f88ef3e2cb4c95b", kill_on_drop: false }`
[INFO] [stdout] b2255d3bfe254ddb96c8a3c013660763064b97d6634bf13d6f88ef3e2cb4c95b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c24a00b2d699066b70619b55d23f88cdbf5529e3d12ea2e6ab8c7994c7e0907c
[INFO] running `Command { std: "docker" "start" "-a" "c24a00b2d699066b70619b55d23f88cdbf5529e3d12ea2e6ab8c7994c7e0907c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-journey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `age` is never read
[INFO] [stdout]  --> src/0?-containers/helpers.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Person {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 2 |     pub name: String,
[INFO] [stdout] 3 |     pub age: u8,
[INFO] [stdout]   |         ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mads`
[INFO] [stdout]   --> src/02-structs/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mads = Person {name, age };
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_mads`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `array`
[INFO] [stdout]    --> src/01-primitives/main.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |     let array: [i32; 5] = [1, 2, 3, 4, 5];
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_array`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "c24a00b2d699066b70619b55d23f88cdbf5529e3d12ea2e6ab8c7994c7e0907c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c24a00b2d699066b70619b55d23f88cdbf5529e3d12ea2e6ab8c7994c7e0907c", kill_on_drop: false }`
[INFO] [stdout] c24a00b2d699066b70619b55d23f88cdbf5529e3d12ea2e6ab8c7994c7e0907c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a02184c7076f2059f73bb1be8a070d35596acaed4930f19e01bb2b69de595b8
[INFO] running `Command { std: "docker" "start" "-a" "7a02184c7076f2059f73bb1be8a070d35596acaed4930f19e01bb2b69de595b8", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: failed to create task for container: failed to create shim task: OCI runtime create failed: runc create failed: unable to start container process: error during container init: error mounting "/var/lib/crater-agent-workspace/cargo-home" to rootfs at "/opt/rustwide/cargo-home": mkdir /var/lib/docker/overlay2/7b845ef36347281956a6e470ed55b7d59f9737e9891d27f4c59ae2b826a61621/merged/opt/rustwide/cargo-home: no space left on device: unknown
[INFO] running `Command { std: "docker" "inspect" "7a02184c7076f2059f73bb1be8a070d35596acaed4930f19e01bb2b69de595b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a02184c7076f2059f73bb1be8a070d35596acaed4930f19e01bb2b69de595b8", kill_on_drop: false }`
[INFO] [stdout] 7a02184c7076f2059f73bb1be8a070d35596acaed4930f19e01bb2b69de595b8