[INFO] fetching crate ed 0.3.0...
[INFO] checking ed-0.3.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate ed 0.3.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate ed 0.3.0
[INFO] finished tweaking crates.io crate ed 0.3.0
[INFO] tweaked toml for crates.io crate ed 0.3.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ed 0.3.0 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ed-derive v0.3.0
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a416b06f74feb5f11843a02ef314831eeba31a729ced2dc6488e4f3aee06b05
[INFO] running `Command { std: "docker" "start" "-a" "3a416b06f74feb5f11843a02ef314831eeba31a729ced2dc6488e4f3aee06b05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a416b06f74feb5f11843a02ef314831eeba31a729ced2dc6488e4f3aee06b05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a416b06f74feb5f11843a02ef314831eeba31a729ced2dc6488e4f3aee06b05", kill_on_drop: false }`
[INFO] [stdout] 3a416b06f74feb5f11843a02ef314831eeba31a729ced2dc6488e4f3aee06b05
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88ce9b48d8fccbdb79ec566342644bbad5eb104efa61b3d6ec4113c43deb774b
[INFO] running `Command { std: "docker" "start" "-a" "88ce9b48d8fccbdb79ec566342644bbad5eb104efa61b3d6ec4113c43deb774b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling ed-derive v0.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking ed v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `mutagen`
[INFO] [stdout]    --> src/lib.rs:604:5
[INFO] [stdout]     |
[INFO] [stdout] 604 | use mutagen::mutate;
[INFO] [stdout]     |     ^^^^^^^ use of unresolved module or unlinked crate `mutagen`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `mutagen`, use `cargo add mutagen` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Foo` is never constructed
[INFO] [stdout]  --> tests/derive.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Foo {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Foo2` is never constructed
[INFO] [stdout]   --> tests/derive.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Foo2(u32, (u32, u32));
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Foo3` is never constructed
[INFO] [stdout]   --> tests/derive.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Foo3;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Foo4` is never constructed
[INFO] [stdout]   --> tests/derive.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Foo4<T: Default>(T);
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Bar` is never used
[INFO] [stdout]   --> tests/derive.rs:19:6
[INFO] [stdout]    |
[INFO] [stdout] 19 | enum Bar {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Subtype` is never used
[INFO] [stdout]   --> tests/derive.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | trait Subtype {
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Bar2` is never used
[INFO] [stdout]   --> tests/derive.rs:30:6
[INFO] [stdout]    |
[INFO] [stdout] 30 | enum Bar2<T: Subtype, U> {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ed` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "88ce9b48d8fccbdb79ec566342644bbad5eb104efa61b3d6ec4113c43deb774b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88ce9b48d8fccbdb79ec566342644bbad5eb104efa61b3d6ec4113c43deb774b", kill_on_drop: false }`
[INFO] [stdout] 88ce9b48d8fccbdb79ec566342644bbad5eb104efa61b3d6ec4113c43deb774b