[INFO] fetching crate unicase_serde 0.1.0...
[INFO] checking unicase_serde-0.1.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate unicase_serde 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate unicase_serde 0.1.0
[INFO] finished tweaking crates.io crate unicase_serde 0.1.0
[INFO] tweaked toml for crates.io crate unicase_serde 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate unicase_serde 0.1.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1de773f01f8db645ffd3d29eaf9f995518e4b45828983aa0b9118616c90fbda3
[INFO] running `Command { std: "docker" "start" "-a" "1de773f01f8db645ffd3d29eaf9f995518e4b45828983aa0b9118616c90fbda3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1de773f01f8db645ffd3d29eaf9f995518e4b45828983aa0b9118616c90fbda3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1de773f01f8db645ffd3d29eaf9f995518e4b45828983aa0b9118616c90fbda3", kill_on_drop: false }`
[INFO] [stdout] 1de773f01f8db645ffd3d29eaf9f995518e4b45828983aa0b9118616c90fbda3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eeee22342b711f71bd00d5beb6d64a03ebc5da517992d65fa209fbb82621b99e
[INFO] running `Command { std: "docker" "start" "-a" "eeee22342b711f71bd00d5beb6d64a03ebc5da517992d65fa209fbb82621b99e", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking unicase_serde v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stdout] warning: struct `CustomStr` is never constructed
[INFO] [stdout]    --> src/lib.rs:445:12
[INFO] [stdout]     |
[INFO] [stdout] 445 |     struct CustomStr<'a>(Cow<'a, str>);
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CustomString` is never constructed
[INFO] [stdout]    --> src/lib.rs:466:12
[INFO] [stdout]     |
[INFO] [stdout] 466 |     struct CustomString<'a>(Cow<'a, String>);
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestCustomStruct` is never constructed
[INFO] [stdout]    --> src/lib.rs:487:12
[INFO] [stdout]     |
[INFO] [stdout] 487 |     struct TestCustomStruct<'a> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.42s
[INFO] running `Command { std: "docker" "inspect" "eeee22342b711f71bd00d5beb6d64a03ebc5da517992d65fa209fbb82621b99e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeee22342b711f71bd00d5beb6d64a03ebc5da517992d65fa209fbb82621b99e", kill_on_drop: false }`
[INFO] [stdout] eeee22342b711f71bd00d5beb6d64a03ebc5da517992d65fa209fbb82621b99e