[INFO] fetching crate snafu 0.8.9...
[INFO] checking snafu-0.8.9 against master#2b112efcccf831c0e0fbaa6470047c7067f12801 for pr-150727-1
[INFO] extracting crate snafu 0.8.9 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate snafu 0.8.9
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate snafu 0.8.9
[INFO] tweaked toml for crates.io crate snafu 0.8.9 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate snafu 0.8.9 on toolchain 2b112efcccf831c0e0fbaa6470047c7067f12801
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b112efcccf831c0e0fbaa6470047c7067f12801" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate snafu 0.8.9 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" "+2b112efcccf831c0e0fbaa6470047c7067f12801" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded adler v1.0.2
[INFO] [stderr]   Downloaded pin-project-internal v1.1.10
[INFO] [stderr]   Downloaded snafu-derive v0.8.9
[INFO] [stderr]   Downloaded miniz_oxide v0.7.4
[INFO] [stderr]   Downloaded addr2line v0.20.0
[INFO] [stderr]   Downloaded pin-project v1.1.10
[INFO] [stderr]   Downloaded cc v1.0.99
[INFO] [stderr]   Downloaded memchr v2.5.0
[INFO] [stderr]   Downloaded backtrace v0.3.68
[INFO] [stderr]   Downloaded object v0.31.1
[INFO] [stderr]   Downloaded syn v2.0.56
[INFO] [stderr]   Downloaded gimli v0.27.3
[INFO] [stderr]   Downloaded libc v0.2.175
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2b112efcccf831c0e0fbaa6470047c7067f12801" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] adf9f63a2b35744d669e1f2fdd24f2612fe71d7c1dd8149ccb8fda59e5bf7c78
[INFO] running `Command { std: "docker" "start" "-a" "adf9f63a2b35744d669e1f2fdd24f2612fe71d7c1dd8149ccb8fda59e5bf7c78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adf9f63a2b35744d669e1f2fdd24f2612fe71d7c1dd8149ccb8fda59e5bf7c78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adf9f63a2b35744d669e1f2fdd24f2612fe71d7c1dd8149ccb8fda59e5bf7c78", kill_on_drop: false }`
[INFO] [stdout] adf9f63a2b35744d669e1f2fdd24f2612fe71d7c1dd8149ccb8fda59e5bf7c78
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2b112efcccf831c0e0fbaa6470047c7067f12801" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 990faa3a41d61f8fb570ca14f96f552d1180ab4fd4dd386a242cc7c36a43cd3b
[INFO] running `Command { std: "docker" "start" "-a" "990faa3a41d61f8fb570ca14f96f552d1180ab4fd4dd386a242cc7c36a43cd3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.56
[INFO] [stderr]    Compiling snafu-derive v0.8.9
[INFO] [stderr]     Checking snafu v0.8.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.72s
[INFO] running `Command { std: "docker" "inspect" "990faa3a41d61f8fb570ca14f96f552d1180ab4fd4dd386a242cc7c36a43cd3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "990faa3a41d61f8fb570ca14f96f552d1180ab4fd4dd386a242cc7c36a43cd3b", kill_on_drop: false }`
[INFO] [stdout] 990faa3a41d61f8fb570ca14f96f552d1180ab4fd4dd386a242cc7c36a43cd3b