[INFO] cloning repository https://github.com/beard-programmer/rust_learn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/beard-programmer/rust_learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeard-programmer%2Frust_learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeard-programmer%2Frust_learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b1815cc69dd984c2540ab170efeaa135cbf541fb
[INFO] testing beard-programmer/rust_learn against master#414482f6a0d4e7290f614300581a0b55442552a3 for pr-140985
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeard-programmer%2Frust_learn" "/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/beard-programmer/rust_learn on toolchain 414482f6a0d4e7290f614300581a0b55442552a3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/beard-programmer/rust_learn
[INFO] finished tweaking git repo https://github.com/beard-programmer/rust_learn
[INFO] tweaked toml for git repo https://github.com/beard-programmer/rust_learn written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/beard-programmer/rust_learn 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" "+414482f6a0d4e7290f614300581a0b55442552a3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2dff96c3b7852f916be9e38b5b9f2b307d1db1c6a9269201b20615ea8d2b7ee
[INFO] running `Command { std: "docker" "start" "-a" "b2dff96c3b7852f916be9e38b5b9f2b307d1db1c6a9269201b20615ea8d2b7ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2dff96c3b7852f916be9e38b5b9f2b307d1db1c6a9269201b20615ea8d2b7ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2dff96c3b7852f916be9e38b5b9f2b307d1db1c6a9269201b20615ea8d2b7ee", kill_on_drop: false }`
[INFO] [stdout] b2dff96c3b7852f916be9e38b5b9f2b307d1db1c6a9269201b20615ea8d2b7ee
[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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c028fa4d0877e75cee0eb9d83f5dc20c78843299b25ae6442d1cc98ae346aee8
[INFO] running `Command { std: "docker" "start" "-a" "c028fa4d0877e75cee0eb9d83f5dc20c78843299b25ae6442d1cc98ae346aee8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling display_ownership v0.1.0 (/opt/rustwide/workdir/display_ownership)
[INFO] [stderr]    Compiling binary_tree v0.1.0 (/opt/rustwide/workdir/binary_tree)
[INFO] [stderr]    Compiling rectangle v0.1.0 (/opt/rustwide/workdir/rectangle)
[INFO] [stdout] warning: trait `NodesCountable` is never used
[INFO] [stdout]   --> binary_tree/src/lib.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | trait NodesCountable {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Gettable` is never used
[INFO] [stdout]   --> binary_tree/src/lib.rs:26:7
[INFO] [stdout]    |
[INFO] [stdout] 26 | trait Gettable<T, A> {
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/rand_chacha-39e2b9303b15a92f.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/rand_chacha-39e2b9303b15a92f/dep-lib-rand_chacha`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c028fa4d0877e75cee0eb9d83f5dc20c78843299b25ae6442d1cc98ae346aee8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c028fa4d0877e75cee0eb9d83f5dc20c78843299b25ae6442d1cc98ae346aee8", kill_on_drop: false }`
[INFO] [stdout] c028fa4d0877e75cee0eb9d83f5dc20c78843299b25ae6442d1cc98ae346aee8