[INFO] cloning repository https://github.com/m-dahl/hello-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/m-dahl/hello-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm-dahl%2Fhello-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm-dahl%2Fhello-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0c4fc0c8d232cf72548e1cdd2f759610a85a253
[INFO] checking m-dahl/hello-rust against master#85c39893a761fe4c050523278da4e7e45ab42b6e for pr-134688
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm-dahl%2Fhello-rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/m-dahl/hello-rust on toolchain 85c39893a761fe4c050523278da4e7e45ab42b6e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+85c39893a761fe4c050523278da4e7e45ab42b6e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/m-dahl/hello-rust
[INFO] finished tweaking git repo https://github.com/m-dahl/hello-rust
[INFO] tweaked toml for git repo https://github.com/m-dahl/hello-rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/m-dahl/hello-rust 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" "+85c39893a761fe4c050523278da4e7e45ab42b6e" "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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+85c39893a761fe4c050523278da4e7e45ab42b6e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 442f1319c9348fac6d547e3ca39fe45b83ed40949cadf16f8b84803a9d9ed955
[INFO] running `Command { std: "docker" "start" "-a" "442f1319c9348fac6d547e3ca39fe45b83ed40949cadf16f8b84803a9d9ed955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "442f1319c9348fac6d547e3ca39fe45b83ed40949cadf16f8b84803a9d9ed955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "442f1319c9348fac6d547e3ca39fe45b83ed40949cadf16f8b84803a9d9ed955", kill_on_drop: false }`
[INFO] [stdout] 442f1319c9348fac6d547e3ca39fe45b83ed40949cadf16f8b84803a9d9ed955
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+85c39893a761fe4c050523278da4e7e45ab42b6e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f864c19825dbae4cb21ac071029d15b9f1d4d2c8a118ebafe01912b1e8d397eb
[INFO] running `Command { std: "docker" "start" "-a" "f864c19825dbae4cb21ac071029d15b9f1d4d2c8a118ebafe01912b1e8d397eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmetal3B7KT/lib.rmeta`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `syn` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "f864c19825dbae4cb21ac071029d15b9f1d4d2c8a118ebafe01912b1e8d397eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f864c19825dbae4cb21ac071029d15b9f1d4d2c8a118ebafe01912b1e8d397eb", kill_on_drop: false }`
[INFO] [stdout] f864c19825dbae4cb21ac071029d15b9f1d4d2c8a118ebafe01912b1e8d397eb