[INFO] fetching crate mitsein 0.6.1...
[INFO] checking mitsein-0.6.1 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate mitsein 0.6.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate mitsein 0.6.1
[INFO] finished tweaking crates.io crate mitsein 0.6.1
[INFO] tweaked toml for crates.io crate mitsein 0.6.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mitsein 0.6.1 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] crate crates.io crate mitsein 0.6.1 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 2b4759b5f220754425ec1e8a648040a9ea74edee040c510e220833e55e1cff2b
[INFO] running `Command { std: "docker" "start" "-a" "2b4759b5f220754425ec1e8a648040a9ea74edee040c510e220833e55e1cff2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b4759b5f220754425ec1e8a648040a9ea74edee040c510e220833e55e1cff2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b4759b5f220754425ec1e8a648040a9ea74edee040c510e220833e55e1cff2b", kill_on_drop: false }`
[INFO] [stdout] 2b4759b5f220754425ec1e8a648040a9ea74edee040c510e220833e55e1cff2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 8942fffbf8f2dff2b0083211cc99000f6800605c1553585af91cfc3b07be7197
[INFO] running `Command { std: "docker" "start" "-a" "8942fffbf8f2dff2b0083211cc99000f6800605c1553585af91cfc3b07be7197", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling semver v1.0.25
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling winnow v0.7.3
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]    Compiling indexmap v2.7.1
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling rstest_macros v0.24.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling relative-path v1.9.3
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]     Checking futures-timer v3.0.3
[INFO] [stderr]     Checking mitsein v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling toml_edit v0.22.24
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/string1.rs:139:35
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn from_utf8_lossy(items: &Slice1<u8>) -> CowStr1 {
[INFO] [stdout]     |                                   ^^^^^^^^^^^     ------- the same lifetime is hidden here
[INFO] [stdout]     |                                   |
[INFO] [stdout]     |                                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn from_utf8_lossy(items: &Slice1<u8>) -> CowStr1<'_> {
[INFO] [stdout]     |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde_test v1.0.177
[INFO] [stderr]    Compiling proc-macro-crate v3.2.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking rstest v0.24.0
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/string1.rs:139:35
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn from_utf8_lossy(items: &Slice1<u8>) -> CowStr1 {
[INFO] [stdout]     |                                   ^^^^^^^^^^^     ------- the same lifetime is hidden here
[INFO] [stdout]     |                                   |
[INFO] [stdout]     |                                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub fn from_utf8_lossy(items: &Slice1<u8>) -> CowStr1<'_> {
[INFO] [stdout]     |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.43s
[INFO] running `Command { std: "docker" "inspect" "8942fffbf8f2dff2b0083211cc99000f6800605c1553585af91cfc3b07be7197", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8942fffbf8f2dff2b0083211cc99000f6800605c1553585af91cfc3b07be7197", kill_on_drop: false }`
[INFO] [stdout] 8942fffbf8f2dff2b0083211cc99000f6800605c1553585af91cfc3b07be7197