[INFO] fetching crate mio 0.7.13...
[INFO] checking mio-0.7.13 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate mio 0.7.13 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate mio 0.7.13 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mio 0.7.13
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mio 0.7.13
[INFO] tweaked toml for crates.io crate mio 0.7.13 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate mio 0.7.13 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 889ac14bd6d50ad0f258a42f11f6f2c65109789d4c00efbee44af32cd6c03701
[INFO] running `Command { std: "docker" "start" "-a" "889ac14bd6d50ad0f258a42f11f6f2c65109789d4c00efbee44af32cd6c03701", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "889ac14bd6d50ad0f258a42f11f6f2c65109789d4c00efbee44af32cd6c03701", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "889ac14bd6d50ad0f258a42f11f6f2c65109789d4c00efbee44af32cd6c03701", kill_on_drop: false }`
[INFO] [stdout] 889ac14bd6d50ad0f258a42f11f6f2c65109789d4c00efbee44af32cd6c03701
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc763fd8181a9cc26e147f94ff3b4e9b3f9b0644daf0333f48ba8a125ce89d72
[INFO] running `Command { std: "docker" "start" "-a" "dc763fd8181a9cc26e147f94ff3b4e9b3f9b0644daf0333f48ba8a125ce89d72", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking mio v0.7.13 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `Command { std: "docker" "inspect" "dc763fd8181a9cc26e147f94ff3b4e9b3f9b0644daf0333f48ba8a125ce89d72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc763fd8181a9cc26e147f94ff3b4e9b3f9b0644daf0333f48ba8a125ce89d72", kill_on_drop: false }`
[INFO] [stdout] dc763fd8181a9cc26e147f94ff3b4e9b3f9b0644daf0333f48ba8a125ce89d72