[INFO] fetching crate lib-cargo-apk 0.5.1...
[INFO] testing lib-cargo-apk-0.5.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate lib-cargo-apk 0.5.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate lib-cargo-apk 0.5.1
[INFO] finished tweaking crates.io crate lib-cargo-apk 0.5.1
[INFO] tweaked toml for crates.io crate lib-cargo-apk 0.5.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lib-cargo-apk 0.5.1 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 200 packages to latest compatible versions
[INFO] [stderr]       Adding assert_cmd v0.12.2 (available: v2.0.17)
[INFO] [stderr]       Adding cargo v0.41.0 (available: v0.90.0)
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.5.46)
[INFO] [stderr]       Adding dirs v2.0.2 (available: v6.0.0)
[INFO] [stderr]       Adding itertools v0.8.2 (available: v0.14.0)
[INFO] [stderr]       Adding multimap v0.8.3 (available: v0.10.1)
[INFO] [stderr]       Adding toml v0.5.11 (available: v0.9.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9f3df422f438cd4b2a3a641b86139e6f2d8d4532d4a3713933564507ad355e5
[INFO] running `Command { std: "docker" "start" "-a" "e9f3df422f438cd4b2a3a641b86139e6f2d8d4532d4a3713933564507ad355e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9f3df422f438cd4b2a3a641b86139e6f2d8d4532d4a3713933564507ad355e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9f3df422f438cd4b2a3a641b86139e6f2d8d4532d4a3713933564507ad355e5", kill_on_drop: false }`
[INFO] [stdout] e9f3df422f438cd4b2a3a641b86139e6f2d8d4532d4a3713933564507ad355e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e9fdbeda8f1a2b2917bb66d2d4a64e4ad950646c81e0ed218642dc097456cd8
[INFO] running `Command { std: "docker" "start" "-a" "1e9fdbeda8f1a2b2917bb66d2d4a64e4ad950646c81e0ed218642dc097456cd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling curl v0.4.49
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.2
[INFO] [stderr]    Compiling bstr v1.12.0
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling sized-chunks v0.3.1
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling tar v0.4.44
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling cc v1.2.34
[INFO] [stderr]    Compiling opener v0.4.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling vte v0.10.1
[INFO] [stderr]    Compiling shell-escape v0.1.5
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling bytesize v1.3.3
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling rustc-workspace-hack v1.0.0
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling strip-ansi-escapes v0.1.1
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling libz-sys v1.1.22
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.11+1.64.0
[INFO] [stderr]    Compiling curl-sys v0.4.83+curl-8.15.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling libgit2-sys v0.9.2
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling url v2.5.7
[INFO] [stderr]    Compiling serde_ignored v0.1.12
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling cargo-platform v0.1.9
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling im-rc v13.0.0
[INFO] [stderr]    Compiling globset v0.4.16
[INFO] [stderr]    Compiling regex v1.11.2
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling ignore v0.4.23
[INFO] [stderr]    Compiling backtrace v0.3.75
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling rustfix v0.4.6
[INFO] [stderr]    Compiling crates-io v0.29.0
[INFO] [stderr]    Compiling crypto-hash v0.3.4
[INFO] [stderr]    Compiling git2 v0.10.2
[INFO] [stderr]    Compiling git2-curl v0.11.0
[INFO] [stderr]    Compiling cargo v0.41.0
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cargo-0.41.0/src/cargo/util/flock.rs:239:49
[INFO] [stdout]     |
[INFO] [stdout] 239 |                 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] 239 |                 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" "1e9fdbeda8f1a2b2917bb66d2d4a64e4ad950646c81e0ed218642dc097456cd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e9fdbeda8f1a2b2917bb66d2d4a64e4ad950646c81e0ed218642dc097456cd8", kill_on_drop: false }`
[INFO] [stdout] 1e9fdbeda8f1a2b2917bb66d2d4a64e4ad950646c81e0ed218642dc097456cd8