[INFO] fetching crate gold_tracker 0.1.2...
[INFO] testing gold_tracker-0.1.2 against try#7af779037716ae4125ceabb429791b4cf5dd0a43 for pr-136932
[INFO] extracting crate gold_tracker 0.1.2 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate gold_tracker 0.1.2 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 crates.io crate gold_tracker 0.1.2
[INFO] finished tweaking crates.io crate gold_tracker 0.1.2
[INFO] tweaked toml for crates.io crate gold_tracker 0.1.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 844e240bb4f9983820752e1b6028d116c2a78d4665fd6320b7d888749a27f083
[INFO] running `Command { std: "docker" "start" "-a" "844e240bb4f9983820752e1b6028d116c2a78d4665fd6320b7d888749a27f083", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "844e240bb4f9983820752e1b6028d116c2a78d4665fd6320b7d888749a27f083", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "844e240bb4f9983820752e1b6028d116c2a78d4665fd6320b7d888749a27f083", kill_on_drop: false }`
[INFO] [stdout] 844e240bb4f9983820752e1b6028d116c2a78d4665fd6320b7d888749a27f083
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 5ef5c3c6b4924c1826b9d660286be1f033daefcb4172df73d5aced84237729eb
[INFO] running `Command { std: "docker" "start" "-a" "5ef5c3c6b4924c1826b9d660286be1f033daefcb4172df73d5aced84237729eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling gold_tracker v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `coin_type` is never read
[INFO] [stdout]  --> src/data/coinage.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Coinage {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 4 |   pub coin_type: Coin,
[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 0.48s
[INFO] running `Command { std: "docker" "inspect" "5ef5c3c6b4924c1826b9d660286be1f033daefcb4172df73d5aced84237729eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ef5c3c6b4924c1826b9d660286be1f033daefcb4172df73d5aced84237729eb", kill_on_drop: false }`
[INFO] [stdout] 5ef5c3c6b4924c1826b9d660286be1f033daefcb4172df73d5aced84237729eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 85b2efa897a15df53f2a30c8c2df527b1988f7f528aaef44283b0ce632939917
[INFO] running `Command { std: "docker" "start" "-a" "85b2efa897a15df53f2a30c8c2df527b1988f7f528aaef44283b0ce632939917", kill_on_drop: false }`
[INFO] [stderr]    Compiling gold_tracker v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `coin_type` is never read
[INFO] [stdout]  --> src/data/coinage.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Coinage {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 4 |   pub coin_type: Coin,
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "85b2efa897a15df53f2a30c8c2df527b1988f7f528aaef44283b0ce632939917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85b2efa897a15df53f2a30c8c2df527b1988f7f528aaef44283b0ce632939917", kill_on_drop: false }`
[INFO] [stdout] 85b2efa897a15df53f2a30c8c2df527b1988f7f528aaef44283b0ce632939917
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/3336d7af19c9c9f8edee3bec8515ed786d8fa2fb2f366c4dbe28d8867dcb2d75: no space left on device