[INFO] fetching crate segsource 0.2.0...
[INFO] checking segsource-0.2.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate segsource 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate segsource 0.2.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate segsource 0.2.0
[INFO] finished tweaking crates.io crate segsource 0.2.0
[INFO] tweaked toml for crates.io crate segsource 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memmap2 v0.3.0
[INFO] [stderr]   Downloaded segsource-derive v0.2.0
[INFO] [stderr]   Downloaded color-backtrace v0.5.1
[INFO] [stderr]   Downloaded fs3 v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26f9e54f600324ddb9e13beb8aaeb9d6221996e0b2da007bd5329a10d42bee9d
[INFO] running `Command { std: "docker" "start" "-a" "26f9e54f600324ddb9e13beb8aaeb9d6221996e0b2da007bd5329a10d42bee9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26f9e54f600324ddb9e13beb8aaeb9d6221996e0b2da007bd5329a10d42bee9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26f9e54f600324ddb9e13beb8aaeb9d6221996e0b2da007bd5329a10d42bee9d", kill_on_drop: false }`
[INFO] [stdout] 26f9e54f600324ddb9e13beb8aaeb9d6221996e0b2da007bd5329a10d42bee9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0171c85dbc16e00649ab6a3c5c3715f2e6995b22c4ab8a5f86052f4faa85462
[INFO] running `Command { std: "docker" "start" "-a" "d0171c85dbc16e00649ab6a3c5c3715f2e6995b22c4ab8a5f86052f4faa85462", 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]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling here v1.1.1
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling pmhelp-internal v0.0.2
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling pmhelp v0.0.2
[INFO] [stderr]    Compiling segsource-derive v0.2.0
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]     Checking snafu v0.6.10
[INFO] [stderr]     Checking segsource v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking color-backtrace v0.5.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.87s
[INFO] running `Command { std: "docker" "inspect" "d0171c85dbc16e00649ab6a3c5c3715f2e6995b22c4ab8a5f86052f4faa85462", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0171c85dbc16e00649ab6a3c5c3715f2e6995b22c4ab8a5f86052f4faa85462", kill_on_drop: false }`
[INFO] [stdout] d0171c85dbc16e00649ab6a3c5c3715f2e6995b22c4ab8a5f86052f4faa85462