[INFO] fetching crate i 0.1.0...
[INFO] checking i-0.1.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate i 0.1.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate i 0.1.0 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate i 0.1.0
[INFO] finished tweaking crates.io crate i 0.1.0
[INFO] tweaked toml for crates.io crate i 0.1.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dcfcccd9c1ae0c035c61d2050b76f7b33fc1e47ac18cdacc8085afb2dbc1c265
[INFO] running `Command { std: "docker" "start" "-a" "dcfcccd9c1ae0c035c61d2050b76f7b33fc1e47ac18cdacc8085afb2dbc1c265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcfcccd9c1ae0c035c61d2050b76f7b33fc1e47ac18cdacc8085afb2dbc1c265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcfcccd9c1ae0c035c61d2050b76f7b33fc1e47ac18cdacc8085afb2dbc1c265", kill_on_drop: false }`
[INFO] [stdout] dcfcccd9c1ae0c035c61d2050b76f7b33fc1e47ac18cdacc8085afb2dbc1c265
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ef15b591108ed1abe5464d553bf3df0741f1146407e12f3c3ec304503fcd8b9
[INFO] running `Command { std: "docker" "start" "-a" "0ef15b591108ed1abe5464d553bf3df0741f1146407e12f3c3ec304503fcd8b9", kill_on_drop: false }`
[INFO] [stderr]     Checking i v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "0ef15b591108ed1abe5464d553bf3df0741f1146407e12f3c3ec304503fcd8b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ef15b591108ed1abe5464d553bf3df0741f1146407e12f3c3ec304503fcd8b9", kill_on_drop: false }`
[INFO] [stdout] 0ef15b591108ed1abe5464d553bf3df0741f1146407e12f3c3ec304503fcd8b9