[INFO] fetching crate iou 0.3.3...
[INFO] checking iou-0.3.3 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate iou 0.3.3 into /workspace/builds/worker-110/source
[INFO] validating manifest of crates.io crate iou 0.3.3 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iou 0.3.3
[INFO] finished tweaking crates.io crate iou 0.3.3
[INFO] tweaked toml for crates.io crate iou 0.3.3 written to /workspace/builds/worker-110/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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 uring-sys v0.7.4
[INFO] [stderr]   Downloaded nix v0.18.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6376bedf4603d24f6a6e58d0d64737131e44923d52bc979f22debb38058ff0a
[INFO] running `Command { std: "docker" "start" "-a" "b6376bedf4603d24f6a6e58d0d64737131e44923d52bc979f22debb38058ff0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6376bedf4603d24f6a6e58d0d64737131e44923d52bc979f22debb38058ff0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6376bedf4603d24f6a6e58d0d64737131e44923d52bc979f22debb38058ff0a", kill_on_drop: false }`
[INFO] [stdout] b6376bedf4603d24f6a6e58d0d64737131e44923d52bc979f22debb38058ff0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d73c2b90bb80959c70b2e5f44432a7fd956921312b0eeea1536c8994e73cf6c
[INFO] running `Command { std: "docker" "start" "-a" "0d73c2b90bb80959c70b2e5f44432a7fd956921312b0eeea1536c8994e73cf6c", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]    Compiling uring-sys v0.7.4
[INFO] [stderr]     Checking iou v0.3.3 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/connect.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/read.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/poll.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/probe.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/write.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/exhaust-queue.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/register-buffers.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/fileset-placeholder.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/cqes-iter.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/noop.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/accept.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/fixed-file-write.rs from 2018 edition to 2021
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.60s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking iou v0.3.3 (/tmp/fixit)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `Command { std: "docker" "inspect" "0d73c2b90bb80959c70b2e5f44432a7fd956921312b0eeea1536c8994e73cf6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d73c2b90bb80959c70b2e5f44432a7fd956921312b0eeea1536c8994e73cf6c", kill_on_drop: false }`
[INFO] [stdout] 0d73c2b90bb80959c70b2e5f44432a7fd956921312b0eeea1536c8994e73cf6c