[INFO] fetching crate dargo 0.0.6...
[INFO] checking dargo-0.0.6 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate dargo 0.0.6 into /workspace/builds/worker-7-tc2/source
[INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate dargo 0.0.6
[INFO] finished tweaking crates.io crate dargo 0.0.6
[INFO] tweaked toml for crates.io crate dargo 0.0.6 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dargo 0.0.6 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 203 packages to latest compatible versions
[INFO] [stderr]       Adding cargo v0.36.0 (available: v0.90.0)
[INFO] [stderr]       Adding colored v1.9.4 (available: v3.0.0)
[INFO] [stderr]       Adding flexi_logger v0.13.4 (available: v0.31.2)
[INFO] [stderr]       Adding semver v0.9.0 (available: v1.0.26)
[INFO] [stderr]       Adding structopt v0.2.18 (available: v0.3.26)
[INFO] [stderr]       Adding toml_edit v0.1.5 (available: v0.23.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c52d6a476f98c04683eae6b4c792918dab3ec2b4485993c6d1defdb2527f11b5
[INFO] running `Command { std: "docker" "start" "-a" "c52d6a476f98c04683eae6b4c792918dab3ec2b4485993c6d1defdb2527f11b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c52d6a476f98c04683eae6b4c792918dab3ec2b4485993c6d1defdb2527f11b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c52d6a476f98c04683eae6b4c792918dab3ec2b4485993c6d1defdb2527f11b5", kill_on_drop: false }`
[INFO] [stdout] c52d6a476f98c04683eae6b4c792918dab3ec2b4485993c6d1defdb2527f11b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 518d47feaccb105b61dbdf9e84a04502bb5a54f4d8396194de150650797c2d2a
[INFO] running `Command { std: "docker" "start" "-a" "518d47feaccb105b61dbdf9e84a04502bb5a54f4d8396194de150650797c2d2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking cfg-if v1.0.3
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[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]     Checking adler2 v2.0.1
[INFO] [stderr]     Checking unicode-bidi v0.3.18
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking tinyvec v1.10.0
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]     Checking gimli v0.31.1
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[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking rustc-demangle v0.1.26
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[INFO] [stderr]    Compiling cc v1.2.34
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
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[INFO] [stderr]    Compiling curl v0.4.49
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking openssl-probe v0.1.6
[INFO] [stderr]     Checking bitflags v2.9.3
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]     Checking unicode-normalization v0.1.24
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking socket2 v0.6.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking bstr v1.12.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
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[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking iana-time-zone v0.1.63
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[INFO] [stderr]     Checking ansi_term v0.12.1
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[INFO] [stderr]    Compiling heck v0.3.3
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[INFO] [stderr]     Checking fastrand v2.3.0
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[INFO] [stderr]     Checking jobserver v0.1.34
[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]     Checking addr2line v0.24.2
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking flate2 v1.1.2
[INFO] [stderr]     Checking shell-escape v0.1.5
[INFO] [stderr]     Checking unicode-width v0.2.1
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking bytesize v1.3.3
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking home v0.3.4
[INFO] [stderr]     Checking rustc-workspace-hack v1.0.0
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking tabwriter v1.4.1
[INFO] [stderr]     Checking colored v1.9.4
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking regex v1.11.2
[INFO] [stderr]     Checking globset v0.4.16
[INFO] [stderr]     Checking ignore v0.4.23
[INFO] [stderr]     Checking tempfile v3.21.0
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking flexi_logger v0.13.4
[INFO] [stderr]     Checking backtrace v0.3.75
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking opener v0.3.2
[INFO] [stderr]     Checking toml_edit v0.1.5
[INFO] [stderr]     Checking crypto-hash v0.3.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling im-rc v12.3.4
[INFO] [stderr]     Checking url_serde v0.2.0
[INFO] [stderr]     Checking serde_ignored v0.0.4
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking rustfix v0.4.6
[INFO] [stderr]     Checking crates-io v0.24.0
[INFO] [stderr]     Checking git2 v0.8.0
[INFO] [stderr]     Checking git2-curl v0.9.0
[INFO] [stderr]     Checking cargo v0.36.0
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cargo-0.36.0/src/cargo/util/flock.rs:229:49
[INFO] [stdout]     |
[INFO] [stdout] 229 |                 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] 229 |                 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" "518d47feaccb105b61dbdf9e84a04502bb5a54f4d8396194de150650797c2d2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "518d47feaccb105b61dbdf9e84a04502bb5a54f4d8396194de150650797c2d2a", kill_on_drop: false }`
[INFO] [stdout] 518d47feaccb105b61dbdf9e84a04502bb5a54f4d8396194de150650797c2d2a