[INFO] fetching crate fullerror 1.0.0...
[INFO] checking fullerror-1.0.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate fullerror 1.0.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate fullerror 1.0.0
[INFO] finished tweaking crates.io crate fullerror 1.0.0
[INFO] tweaked toml for crates.io crate fullerror 1.0.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fullerror 1.0.0 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 6 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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ca9e5aee779ac4294e403c7c3994cbfe57d0d519f338c099d03f9d253a525221
[INFO] running `Command { std: "docker" "start" "-a" "ca9e5aee779ac4294e403c7c3994cbfe57d0d519f338c099d03f9d253a525221", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca9e5aee779ac4294e403c7c3994cbfe57d0d519f338c099d03f9d253a525221", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca9e5aee779ac4294e403c7c3994cbfe57d0d519f338c099d03f9d253a525221", kill_on_drop: false }`
[INFO] [stdout] ca9e5aee779ac4294e403c7c3994cbfe57d0d519f338c099d03f9d253a525221
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 40d9017ad6f047f9e7c7f1e9f3659a1ddaf3a580716cde0417f2113fa39fa018
[INFO] running `Command { std: "docker" "start" "-a" "40d9017ad6f047f9e7c7f1e9f3659a1ddaf3a580716cde0417f2113fa39fa018", kill_on_drop: false }`
[INFO] [stderr]     Checking fullerror v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `ErrVarB` is never constructed
[INFO] [stdout]   --> src/lib.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |         enum ErrA {
[INFO] [stdout]    |              ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 80 |             ErrVarB,
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ErrA` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ErrVarA` is never constructed
[INFO] [stdout]   --> src/lib.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 84 |         enum ErrB {
[INFO] [stdout]    |              ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 88 |             ErrVarA,
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ErrB` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "40d9017ad6f047f9e7c7f1e9f3659a1ddaf3a580716cde0417f2113fa39fa018", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40d9017ad6f047f9e7c7f1e9f3659a1ddaf3a580716cde0417f2113fa39fa018", kill_on_drop: false }`
[INFO] [stdout] 40d9017ad6f047f9e7c7f1e9f3659a1ddaf3a580716cde0417f2113fa39fa018