[INFO] cloning repository https://github.com/brson/featuretest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brson/featuretest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrson%2Ffeaturetest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrson%2Ffeaturetest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 274fb33838a586fe048e03fa0d74168db13c194c
[INFO] testing brson/featuretest against try#17092ad00ed8fe1e7f81a7e38238ff70779034b1 for pr-140985
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrson%2Ffeaturetest" "/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/brson/featuretest on toolchain 17092ad00ed8fe1e7f81a7e38238ff70779034b1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/brson/featuretest
[INFO] finished tweaking git repo https://github.com/brson/featuretest
[INFO] tweaked toml for git repo https://github.com/brson/featuretest written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/brson/featuretest 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" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb7eb0a4de2e06bfd5c58c5b98dc173a1badfb3e8ef87fc4767ad040f0959f6d
[INFO] running `Command { std: "docker" "start" "-a" "eb7eb0a4de2e06bfd5c58c5b98dc173a1badfb3e8ef87fc4767ad040f0959f6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb7eb0a4de2e06bfd5c58c5b98dc173a1badfb3e8ef87fc4767ad040f0959f6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb7eb0a4de2e06bfd5c58c5b98dc173a1badfb3e8ef87fc4767ad040f0959f6d", kill_on_drop: false }`
[INFO] [stdout] eb7eb0a4de2e06bfd5c58c5b98dc173a1badfb3e8ef87fc4767ad040f0959f6d
[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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fa0c6bb1ead0e33c4f067eef15bd57ed47139b59c5fcf6d83a1c95933d7b72c
[INFO] running `Command { std: "docker" "start" "-a" "7fa0c6bb1ead0e33c4f067eef15bd57ed47139b59c5fcf6d83a1c95933d7b72c", kill_on_drop: false }`
[INFO] [stderr]    Compiling a v0.1.0 (/opt/rustwide/workdir/a)
[INFO] [stderr]    Compiling b v0.1.0 (/opt/rustwide/workdir/b)
[INFO] [stderr]    Compiling c v0.1.0 (/opt/rustwide/workdir/c)
[INFO] [stderr]    Compiling d v0.1.0 (/opt/rustwide/workdir/d)
[INFO] [stdout] warning: unused import: `a::Foo`
[INFO] [stdout]  --> c/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use a::Foo;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `a::Bar`
[INFO] [stdout]  --> d/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use a::Bar;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `a::Foo`
[INFO] [stdout]  --> b/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use a::Foo;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling featuretest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "7fa0c6bb1ead0e33c4f067eef15bd57ed47139b59c5fcf6d83a1c95933d7b72c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fa0c6bb1ead0e33c4f067eef15bd57ed47139b59c5fcf6d83a1c95933d7b72c", kill_on_drop: false }`
[INFO] [stdout] 7fa0c6bb1ead0e33c4f067eef15bd57ed47139b59c5fcf6d83a1c95933d7b72c
[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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed3c543f19b093497b8c0c20652d5a255afc0a1c3425179b53006df4ce289781
[INFO] running `Command { std: "docker" "start" "-a" "ed3c543f19b093497b8c0c20652d5a255afc0a1c3425179b53006df4ce289781", kill_on_drop: false }`
[INFO] [stderr] error: failed to create directory `/opt/rustwide/target/debug/.fingerprint/featuretest-6caff75a488b0f15`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "ed3c543f19b093497b8c0c20652d5a255afc0a1c3425179b53006df4ce289781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed3c543f19b093497b8c0c20652d5a255afc0a1c3425179b53006df4ce289781", kill_on_drop: false }`
[INFO] [stdout] ed3c543f19b093497b8c0c20652d5a255afc0a1c3425179b53006df4ce289781