[INFO] cloning repository https://github.com/noclue/eurorust25
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/noclue/eurorust25" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoclue%2Feurorust25", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoclue%2Feurorust25'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4607e1d8c9fb01e6350066f062d4966bcfacce99
[INFO] checking noclue/eurorust25 against master#7c41ee66db9d08e3989858acaefa1c72a6a88518 for mutual-coercion
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoclue%2Feurorust25" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/noclue/eurorust25
[INFO] finished tweaking git repo https://github.com/noclue/eurorust25
[INFO] tweaked toml for git repo https://github.com/noclue/eurorust25 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/noclue/eurorust25 on toolchain 7c41ee66db9d08e3989858acaefa1c72a6a88518
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7c41ee66db9d08e3989858acaefa1c72a6a88518" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/noclue/eurorust25 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" "+7c41ee66db9d08e3989858acaefa1c72a6a88518" "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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+7c41ee66db9d08e3989858acaefa1c72a6a88518" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4f371a90b42d694c525e1092fbf9bd8cea75a8a2fa69dfbcd843a2199f7630a
[INFO] running `Command { std: "docker" "start" "-a" "e4f371a90b42d694c525e1092fbf9bd8cea75a8a2fa69dfbcd843a2199f7630a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4f371a90b42d694c525e1092fbf9bd8cea75a8a2fa69dfbcd843a2199f7630a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4f371a90b42d694c525e1092fbf9bd8cea75a8a2fa69dfbcd843a2199f7630a", kill_on_drop: false }`
[INFO] [stdout] e4f371a90b42d694c525e1092fbf9bd8cea75a8a2fa69dfbcd843a2199f7630a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+7c41ee66db9d08e3989858acaefa1c72a6a88518" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6494dc63565c8be8c4eac83d440894fc6b66c63c9c06806efedd6fce7c501cd
[INFO] running `Command { std: "docker" "start" "-a" "b6494dc63565c8be8c4eac83d440894fc6b66c63c9c06806efedd6fce7c501cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]    Compiling typeid v1.0.3
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]     Checking inventory v0.3.20
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling typetag-impl v0.2.20
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]     Checking thiserror v2.0.12
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling derive_builder_core v0.20.2
[INFO] [stderr]    Compiling derive_builder_macro v0.20.2
[INFO] [stderr]     Checking derive_builder v0.20.2
[INFO] [stderr]     Checking erased-serde v0.4.6
[INFO] [stderr]     Checking typetag v0.2.20
[INFO] [stderr]     Checking mem_cast v0.1.0 (/opt/rustwide/workdir/mem_cast)
[INFO] [stderr]     Checking enum_polymorphism v0.1.0 (/opt/rustwide/workdir/enum_polymorphism)
[INFO] [stderr]     Checking trait_polymorphism v0.1.0 (/opt/rustwide/workdir/trait_polymorphism)
[INFO] [stderr]     Checking trait_hybrid v0.1.0 (/opt/rustwide/workdir/trait_hybrid)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.27s
[INFO] running `Command { std: "docker" "inspect" "b6494dc63565c8be8c4eac83d440894fc6b66c63c9c06806efedd6fce7c501cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6494dc63565c8be8c4eac83d440894fc6b66c63c9c06806efedd6fce7c501cd", kill_on_drop: false }`
[INFO] [stdout] b6494dc63565c8be8c4eac83d440894fc6b66c63c9c06806efedd6fce7c501cd