[INFO] cloning repository https://github.com/softprops/prefix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/softprops/prefix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoftprops%2Fprefix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoftprops%2Fprefix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c7e58f1487789a15353f371a9a5ee867a1929136
[INFO] checking softprops/prefix against try#4c525d43052e921548191f82f6ed9e2f9e98dcb1 for pr-136988
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoftprops%2Fprefix" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/softprops/prefix on toolchain 4c525d43052e921548191f82f6ed9e2f9e98dcb1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4c525d43052e921548191f82f6ed9e2f9e98dcb1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/softprops/prefix
[INFO] finished tweaking git repo https://github.com/softprops/prefix
[INFO] tweaked toml for git repo https://github.com/softprops/prefix written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/softprops/prefix 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" "+4c525d43052e921548191f82f6ed9e2f9e98dcb1" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt-derive v0.3.3
[INFO] [stderr]   Downloaded tokio v0.2.2
[INFO] [stderr]   Downloaded serde_test v1.0.101
[INFO] [stderr]   Downloaded path-slash v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+4c525d43052e921548191f82f6ed9e2f9e98dcb1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f556d73f793c4ca451478876ba02c61bd093016e1e86603bbd8522588208af6
[INFO] running `Command { std: "docker" "start" "-a" "9f556d73f793c4ca451478876ba02c61bd093016e1e86603bbd8522588208af6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f556d73f793c4ca451478876ba02c61bd093016e1e86603bbd8522588208af6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f556d73f793c4ca451478876ba02c61bd093016e1e86603bbd8522588208af6", kill_on_drop: false }`
[INFO] [stdout] 9f556d73f793c4ca451478876ba02c61bd093016e1e86603bbd8522588208af6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+4c525d43052e921548191f82f6ed9e2f9e98dcb1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fee710e8594444ac5eac6ad377e07e55e45a4e74a9935cc44bbb582481b7eed
[INFO] running `Command { std: "docker" "start" "-a" "1fee710e8594444ac5eac6ad377e07e55e45a4e74a9935cc44bbb582481b7eed", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmeta3YRv8v"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-channel` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmetashtaEQ/lib.rmeta`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `memchr` (lib) due to 1 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/rmetabrIy3M"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `textwrap` (lib) due to 1 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/rmetaxJo1Hw"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `unicode-segmentation` (lib) due to 1 previous error
[INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmetaKdHV6J/lib.rmeta`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmetaLFwdwI/lib.rmeta`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libc` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "1fee710e8594444ac5eac6ad377e07e55e45a4e74a9935cc44bbb582481b7eed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fee710e8594444ac5eac6ad377e07e55e45a4e74a9935cc44bbb582481b7eed", kill_on_drop: false }`
[INFO] [stdout] 1fee710e8594444ac5eac6ad377e07e55e45a4e74a9935cc44bbb582481b7eed