[INFO] cloning repository https://github.com/jbradberry/mcts.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jbradberry/mcts.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbradberry%2Fmcts.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbradberry%2Fmcts.rs'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbradberry%2Fmcts.rs: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/jbradberry/mcts.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jbradberry/mcts.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbradberry%2Fmcts.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbradberry%2Fmcts.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a4d4e4d2d2a623bd3fb0444f7bd9a0ff1e979060
[INFO] checking jbradberry/mcts.rs against master#a42d94ebb883116f2867cbe3016d9bde9ca6d3f7 for pr-117593
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbradberry%2Fmcts.rs" "/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/jbradberry/mcts.rs on toolchain a42d94ebb883116f2867cbe3016d9bde9ca6d3f7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a42d94ebb883116f2867cbe3016d9bde9ca6d3f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jbradberry/mcts.rs
[INFO] finished tweaking git repo https://github.com/jbradberry/mcts.rs
[INFO] tweaked toml for git repo https://github.com/jbradberry/mcts.rs written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jbradberry/mcts.rs 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" "+a42d94ebb883116f2867cbe3016d9bde9ca6d3f7" "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@sha256:0c7e0e8312ad82a1bed3696438480b7da990d348377d3754e1cd95b06a8a36c7" "/opt/rustwide/cargo-home/bin/cargo" "+a42d94ebb883116f2867cbe3016d9bde9ca6d3f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa4ad63c39df0973ce187e35d141c9072ec9206b74b9d2250e2fc07a997a8b7f
[INFO] running `Command { std: "docker" "start" "-a" "aa4ad63c39df0973ce187e35d141c9072ec9206b74b9d2250e2fc07a997a8b7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa4ad63c39df0973ce187e35d141c9072ec9206b74b9d2250e2fc07a997a8b7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa4ad63c39df0973ce187e35d141c9072ec9206b74b9d2250e2fc07a997a8b7f", kill_on_drop: false }`
[INFO] [stdout] aa4ad63c39df0973ce187e35d141c9072ec9206b74b9d2250e2fc07a997a8b7f
[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@sha256:0c7e0e8312ad82a1bed3696438480b7da990d348377d3754e1cd95b06a8a36c7" "/opt/rustwide/cargo-home/bin/cargo" "+a42d94ebb883116f2867cbe3016d9bde9ca6d3f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a88c60c868c64ab1d50be14dce4ab257933258f3393b17375f2ca87b616588d
[INFO] running `Command { std: "docker" "start" "-a" "5a88c60c868c64ab1d50be14dce4ab257933258f3393b17375f2ca87b616588d", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]     Checking itoa v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.8
[INFO] [stderr] LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] error: could not compile `unicode-xid` (lib)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `serde` (build script)
[INFO] [stderr] thread 'rustc' panicked at /rustc/a42d94ebb883116f2867cbe3016d9bde9ca6d3f7/compiler/rustc_serialize/src/opaque.rs:233:42:
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetaZSfPC7"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `itoa` (lib) due to previous error
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetas7cVkV"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib)
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetajwmFJE"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rand_core` (lib) due to previous error
[INFO] [stderr] error: could not compile `dtoa` (lib) due to previous error
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetahEVpNY"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libc` (lib) due to previous error
[INFO] running `Command { std: "docker" "inspect" "5a88c60c868c64ab1d50be14dce4ab257933258f3393b17375f2ca87b616588d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a88c60c868c64ab1d50be14dce4ab257933258f3393b17375f2ca87b616588d", kill_on_drop: false }`
[INFO] [stdout] 5a88c60c868c64ab1d50be14dce4ab257933258f3393b17375f2ca87b616588d