[INFO] fetching crate refi 3.1.0...
[INFO] checking refi-3.1.0 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate refi 3.1.0 into /workspace/builds/worker-64/source
[INFO] validating manifest of crates.io crate refi 3.1.0 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate refi 3.1.0
[INFO] finished tweaking crates.io crate refi 3.1.0
[INFO] tweaked toml for crates.io crate refi 3.1.0 written to /workspace/builds/worker-64/source/Cargo.toml
[INFO] crate crates.io crate refi 3.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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 thread_local v1.1.2
[INFO] [stderr]   Downloaded zeroize v1.4.1
[INFO] [stderr]   Downloaded terminal_size v0.1.16
[INFO] [stderr]   Downloaded dialoguer v0.8.0
[INFO] [stderr]   Downloaded vfs v0.5.1
[INFO] [stderr]   Downloaded libc v0.2.84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49e706225064007e87b3511b960ff468dd50a544e7cf522de213d3e0ba4103ab
[INFO] running `Command { std: "docker" "start" "-a" "49e706225064007e87b3511b960ff468dd50a544e7cf522de213d3e0ba4103ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49e706225064007e87b3511b960ff468dd50a544e7cf522de213d3e0ba4103ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49e706225064007e87b3511b960ff468dd50a544e7cf522de213d3e0ba4103ab", kill_on_drop: false }`
[INFO] [stdout] 49e706225064007e87b3511b960ff468dd50a544e7cf522de213d3e0ba4103ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68f092073302eb8009cf64e7f2a33ef08b426abe14c58a15e1f141c7d61bb92a
[INFO] running `Command { std: "docker" "start" "-a" "68f092073302eb8009cf64e7f2a33ef08b426abe14c58a15e1f141c7d61bb92a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.84
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking zeroize v1.4.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking thread_local v1.1.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]     Checking dialoguer v0.8.0
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking vfs v0.5.1
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking refi v3.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.36s
[INFO] running `Command { std: "docker" "inspect" "68f092073302eb8009cf64e7f2a33ef08b426abe14c58a15e1f141c7d61bb92a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68f092073302eb8009cf64e7f2a33ef08b426abe14c58a15e1f141c7d61bb92a", kill_on_drop: false }`
[INFO] [stdout] 68f092073302eb8009cf64e7f2a33ef08b426abe14c58a15e1f141c7d61bb92a