[INFO] fetching crate gc-image 0.0.2...
[INFO] checking gc-image-0.0.2 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate gc-image 0.0.2 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate gc-image 0.0.2
[INFO] finished tweaking crates.io crate gc-image 0.0.2
[INFO] tweaked toml for crates.io crate gc-image 0.0.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate gc-image 0.0.2 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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] [stderr]       Adding thiserror v1.0.69 (available: v2.0.12)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 3e19e80f77814a0ad438a179c6e76f03575985d3c588dcac121bebacad7f81e3
[INFO] running `Command { std: "docker" "start" "-a" "3e19e80f77814a0ad438a179c6e76f03575985d3c588dcac121bebacad7f81e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e19e80f77814a0ad438a179c6e76f03575985d3c588dcac121bebacad7f81e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e19e80f77814a0ad438a179c6e76f03575985d3c588dcac121bebacad7f81e3", kill_on_drop: false }`
[INFO] [stdout] 3e19e80f77814a0ad438a179c6e76f03575985d3c588dcac121bebacad7f81e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 70b714de6d9de332cba3c66f32df44e0f80bd7fce4a6389ee9b11a110068d8d1
[INFO] running `Command { std: "docker" "start" "-a" "70b714de6d9de332cba3c66f32df44e0f80bd7fce4a6389ee9b11a110068d8d1", kill_on_drop: false }`
[INFO] [stderr]     Checking gc-image v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `parent_offset` and `next_offset` are never read
[INFO] [stdout]    --> src/lib.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 103 | struct DirData {
[INFO] [stdout]     |        ------- fields in this struct
[INFO] [stdout] 104 |     parent_offset: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 105 |     next_offset: u32
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:115:15
[INFO] [stdout]     |
[INFO] [stdout] 115 |     Directory(DirData)
[INFO] [stdout]     |     --------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 115 -     Directory(DirData)
[INFO] [stdout] 115 +     Directory(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `list_files` is never used
[INFO] [stdout]    --> src/lib.rs:271:4
[INFO] [stdout]     |
[INFO] [stdout] 271 | fn list_files(file: &mut fs::File, fst_ofst: u32, root_entry: &RootDirectory) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `parent_offset` and `next_offset` are never read
[INFO] [stdout]    --> src/lib.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 103 | struct DirData {
[INFO] [stdout]     |        ------- fields in this struct
[INFO] [stdout] 104 |     parent_offset: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 105 |     next_offset: u32
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:115:15
[INFO] [stdout]     |
[INFO] [stdout] 115 |     Directory(DirData)
[INFO] [stdout]     |     --------- ^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 115 -     Directory(DirData)
[INFO] [stdout] 115 +     Directory(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `list_files` is never used
[INFO] [stdout]    --> src/lib.rs:271:4
[INFO] [stdout]     |
[INFO] [stdout] 271 | fn list_files(file: &mut fs::File, fst_ofst: u32, root_entry: &RootDirectory) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "70b714de6d9de332cba3c66f32df44e0f80bd7fce4a6389ee9b11a110068d8d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70b714de6d9de332cba3c66f32df44e0f80bd7fce4a6389ee9b11a110068d8d1", kill_on_drop: false }`
[INFO] [stdout] 70b714de6d9de332cba3c66f32df44e0f80bd7fce4a6389ee9b11a110068d8d1