[INFO] fetching crate irvm 0.1.0-alpha.4...
[INFO] checking irvm-0.1.0-alpha.4 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate irvm 0.1.0-alpha.4 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate irvm 0.1.0-alpha.4
[INFO] finished tweaking crates.io crate irvm 0.1.0-alpha.4
[INFO] tweaked toml for crates.io crate irvm 0.1.0-alpha.4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate irvm 0.1.0-alpha.4 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate irvm 0.1.0-alpha.4 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded typed-generational-arena v0.2.6
[INFO] [stderr]   Downloaded nonzero_ext v0.1.5
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c43f152f855c01514eab2833cf832183a31e40dd0959aee67a0649792130912
[INFO] running `Command { std: "docker" "start" "-a" "5c43f152f855c01514eab2833cf832183a31e40dd0959aee67a0649792130912", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c43f152f855c01514eab2833cf832183a31e40dd0959aee67a0649792130912", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c43f152f855c01514eab2833cf832183a31e40dd0959aee67a0649792130912", kill_on_drop: false }`
[INFO] [stdout] 5c43f152f855c01514eab2833cf832183a31e40dd0959aee67a0649792130912
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79c5eb3457df2bfe75ba2b521204fedc6c0e4039e5c750b0ce73064625bc5c07
[INFO] running `Command { std: "docker" "start" "-a" "79c5eb3457df2bfe75ba2b521204fedc6c0e4039e5c750b0ce73064625bc5c07", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling target-lexicon v0.13.2
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]     Checking nonzero_ext v0.1.5
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]     Checking typed-generational-arena v0.2.6
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]     Checking irvm v0.1.0-alpha.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Type`
[INFO] [stdout]  --> src/error.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |     types::{Type, TypeIdx, TypeInfo},
[INFO] [stdout]   |             ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Type`
[INFO] [stdout]  --> src/error.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |     types::{Type, TypeIdx, TypeInfo},
[INFO] [stdout]   |             ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.54s
[INFO] running `Command { std: "docker" "inspect" "79c5eb3457df2bfe75ba2b521204fedc6c0e4039e5c750b0ce73064625bc5c07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79c5eb3457df2bfe75ba2b521204fedc6c0e4039e5c750b0ce73064625bc5c07", kill_on_drop: false }`
[INFO] [stdout] 79c5eb3457df2bfe75ba2b521204fedc6c0e4039e5c750b0ce73064625bc5c07