[INFO] fetching crate cuo 0.3.0...
[INFO] testing cuo-0.3.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate cuo 0.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate cuo 0.3.0
[INFO] finished tweaking crates.io crate cuo 0.3.0
[INFO] tweaked toml for crates.io crate cuo 0.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cuo 0.3.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 150 packages to latest compatible versions
[INFO] [stderr]       Adding cargo v0.27.0 (available: v0.90.0)
[INFO] [stderr]       Adding git2 v0.7.5 (available: v0.20.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded git2-curl v0.8.2
[INFO] [stderr]   Downloaded crates-io v0.16.0
[INFO] [stderr]   Downloaded lazycell v0.6.0
[INFO] [stderr]   Downloaded cargo v0.27.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d15e1168960679989a1fe781b5dfbe3fb2e249cc481476542b103adabc4cebb5
[INFO] running `Command { std: "docker" "start" "-a" "d15e1168960679989a1fe781b5dfbe3fb2e249cc481476542b103adabc4cebb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d15e1168960679989a1fe781b5dfbe3fb2e249cc481476542b103adabc4cebb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d15e1168960679989a1fe781b5dfbe3fb2e249cc481476542b103adabc4cebb5", kill_on_drop: false }`
[INFO] [stdout] d15e1168960679989a1fe781b5dfbe3fb2e249cc481476542b103adabc4cebb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e555aa041d1cb58ec6b98bbc6093cecb685d4efb3d7082e76be673e5cc8eafa
[INFO] running `Command { std: "docker" "start" "-a" "1e555aa041d1cb58ec6b98bbc6093cecb685d4efb3d7082e76be673e5cc8eafa", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling libz-sys v1.1.22
[INFO] [stderr]    Compiling curl-sys v0.4.83+curl-8.15.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unicode-bidi v0.3.18
[INFO] [stderr]    Compiling matches v0.1.10
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling curl v0.4.49
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling filetime v0.2.26
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling filetime v0.1.15
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling tar v0.4.44
[INFO] [stderr]    Compiling serde_ignored v0.0.4
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling home v0.3.4
[INFO] [stderr]    Compiling shell-escape v0.1.5
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling termcolor v0.3.6
[INFO] [stderr]    Compiling tempfile v3.21.0
[INFO] [stderr]    Compiling lazycell v0.6.0
[INFO] [stderr]    Compiling crossbeam v0.3.2
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling regex v1.11.2
[INFO] [stderr]    Compiling globset v0.4.16
[INFO] [stderr]    Compiling ignore v0.4.23
[INFO] [stderr]    Compiling crypto-hash v0.3.4
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling backtrace v0.3.75
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling crates-io v0.16.0
[INFO] [stderr]    Compiling git2 v0.7.5
[INFO] [stderr]    Compiling git2-curl v0.8.2
[INFO] [stderr]    Compiling cargo v0.27.0
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cargo-0.27.0/src/cargo/util/flock.rs:228:49
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 acquire(config, msg, &path, &|| f.try_lock_shared(), &|| {
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^^ expected `Result<(), Error>`, found `Result<(), TryLockError>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `Result<_, std::io::Error>`
[INFO] [stdout]                found enum `Result<_, std::fs::TryLockError>`
[INFO] [stdout] help: use `?` to coerce and return an appropriate `Err`, and wrap the resulting value in `Ok` so the expression remains of type `Result`
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 acquire(config, msg, &path, &|| Ok(f.try_lock_shared()?), &|| {
[INFO] [stdout]     |                                                 +++                   ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cargo` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "1e555aa041d1cb58ec6b98bbc6093cecb685d4efb3d7082e76be673e5cc8eafa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e555aa041d1cb58ec6b98bbc6093cecb685d4efb3d7082e76be673e5cc8eafa", kill_on_drop: false }`
[INFO] [stdout] 1e555aa041d1cb58ec6b98bbc6093cecb685d4efb3d7082e76be673e5cc8eafa