[INFO] fetching crate mml-lib 1.1.2...
[INFO] checking mml-lib-1.1.2 against try#6284d7b4bd27983dba388146648ab844ca7d032f for pr-152971
[INFO] extracting crate mml-lib 1.1.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate mml-lib 1.1.2
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mml-lib 1.1.2
[INFO] tweaked toml for crates.io crate mml-lib 1.1.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mml-lib 1.1.2 on toolchain 6284d7b4bd27983dba388146648ab844ca7d032f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6284d7b4bd27983dba388146648ab844ca7d032f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mml-lib 1.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6284d7b4bd27983dba388146648ab844ca7d032f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+6284d7b4bd27983dba388146648ab844ca7d032f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b57dd6e4bb4b7d595660923eaeee35469e8b06d7f0464d5c2d6bda113a81a71a
[INFO] running `Command { std: "docker" "start" "-a" "b57dd6e4bb4b7d595660923eaeee35469e8b06d7f0464d5c2d6bda113a81a71a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b57dd6e4bb4b7d595660923eaeee35469e8b06d7f0464d5c2d6bda113a81a71a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b57dd6e4bb4b7d595660923eaeee35469e8b06d7f0464d5c2d6bda113a81a71a", kill_on_drop: false }`
[INFO] [stdout] b57dd6e4bb4b7d595660923eaeee35469e8b06d7f0464d5c2d6bda113a81a71a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+6284d7b4bd27983dba388146648ab844ca7d032f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb5a603d7afadd8d805686bcfc1d6a07d84ca25c6aca042218693d14fc9ef0ca
[INFO] running `Command { std: "docker" "start" "-a" "bb5a603d7afadd8d805686bcfc1d6a07d84ca25c6aca042218693d14fc9ef0ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]     Checking regex-syntax v0.8.9
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]     Checking fixedbitset v0.5.7
[INFO] [stderr]    Compiling stacker v0.1.23
[INFO] [stderr]     Checking indexmap v2.13.0
[INFO] [stderr]    Compiling chumsky v1.0.0-alpha.8
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]    Compiling syn v2.0.116
[INFO] [stderr]     Checking nom v8.0.0
[INFO] [stderr]     Checking gethostname v0.4.3
[INFO] [stderr]     Checking rustix v1.1.3
[INFO] [stderr]     Checking mail-parser v0.9.4
[INFO] [stderr]     Checking getrandom v0.4.1
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking nanohtml2text v0.1.5
[INFO] [stderr]     Checking mail-builder v0.3.2
[INFO] [stderr]     Checking concat-with v0.2.9
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking petgraph v0.8.3
[INFO] [stderr]     Checking tempfile v3.25.0
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking tree_magic_mini v3.2.2
[INFO] [stderr]     Checking bstr v1.12.1
[INFO] [stderr]     Checking matchers v0.2.0
[INFO] [stderr]     Checking shellexpand v3.1.1
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/shellexpand-3.1.1/src/funcs.rs:395:21
[INFO] [stdout]     |
[INFO] [stdout] 394 |                 let var_name = match var_name.as_str() {
[INFO] [stdout]     |                                      ----------------- this expression has type `&str`
[INFO] [stdout] 395 |                     Some(var_name) => var_name,
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^ expected `str`, found `Option<_>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected type `str`
[INFO] [stdout]                found enum `Option<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/shellexpand-3.1.1/src/funcs.rs:397:21
[INFO] [stdout]     |
[INFO] [stdout] 394 |                 let var_name = match var_name.as_str() {
[INFO] [stdout]     |                                      ----------------- this expression has type `&str`
[INFO] [stdout] ...
[INFO] [stdout] 397 |                     None => return Ok(None),
[INFO] [stdout]     |                     ^^^^ expected `str`, found `Option<_>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected type `str`
[INFO] [stdout]                found enum `Option<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `shellexpand` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "bb5a603d7afadd8d805686bcfc1d6a07d84ca25c6aca042218693d14fc9ef0ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb5a603d7afadd8d805686bcfc1d6a07d84ca25c6aca042218693d14fc9ef0ca", kill_on_drop: false }`
[INFO] [stdout] bb5a603d7afadd8d805686bcfc1d6a07d84ca25c6aca042218693d14fc9ef0ca