[INFO] fetching crate ctti 0.2.0...
[INFO] checking ctti-0.2.0 against master#36b61e5aa593cc60cc92fc548b0d351e414aee2a for pr-116930
[INFO] extracting crate ctti 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate ctti 0.2.0 on toolchain 36b61e5aa593cc60cc92fc548b0d351e414aee2a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b61e5aa593cc60cc92fc548b0d351e414aee2a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ctti 0.2.0
[INFO] finished tweaking crates.io crate ctti 0.2.0
[INFO] tweaked toml for crates.io crate ctti 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b61e5aa593cc60cc92fc548b0d351e414aee2a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b61e5aa593cc60cc92fc548b0d351e414aee2a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+36b61e5aa593cc60cc92fc548b0d351e414aee2a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6076cc7486d43b4d35c215396f3498d328db832374401420ff10ffcb427349b
[INFO] running `Command { std: "docker" "start" "-a" "e6076cc7486d43b4d35c215396f3498d328db832374401420ff10ffcb427349b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6076cc7486d43b4d35c215396f3498d328db832374401420ff10ffcb427349b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6076cc7486d43b4d35c215396f3498d328db832374401420ff10ffcb427349b", kill_on_drop: false }`
[INFO] [stdout] e6076cc7486d43b4d35c215396f3498d328db832374401420ff10ffcb427349b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+36b61e5aa593cc60cc92fc548b0d351e414aee2a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 018fb8bf85bf445e12023b4af8d270a8fb6757e425e9687ccb923a127b7c03a0
[INFO] running `Command { std: "docker" "start" "-a" "018fb8bf85bf445e12023b4af8d270a8fb6757e425e9687ccb923a127b7c03a0", kill_on_drop: false }`
[INFO] [stderr]     Checking ctti v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/type_id.rs:121:33
[INFO] [stdout]     |
[INFO] [stdout] 121 | ...                   let mut tmp = 0;
[INFO] [stdout]     |                           ----^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/type_id.rs:122:33
[INFO] [stdout]     |
[INFO] [stdout] 122 | ...                   let mut i = 0;
[INFO] [stdout]     |                           ----^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/type_id.rs:121:33
[INFO] [stdout]     |
[INFO] [stdout] 121 | ...                   let mut tmp = 0;
[INFO] [stdout]     |                           ----^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/type_id.rs:122:33
[INFO] [stdout]     |
[INFO] [stdout] 122 | ...                   let mut i = 0;
[INFO] [stdout]     |                           ----^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `A`, `B`, and `C` are never constructed
[INFO] [stdout]    --> src/impls.rs:534:13
[INFO] [stdout]     |
[INFO] [stdout] 533 |         pub enum SimpleEnum {
[INFO] [stdout]     |                  ---------- variants in this enum
[INFO] [stdout] 534 |             A,
[INFO] [stdout]     |             ^
[INFO] [stdout] 535 |             B,
[INFO] [stdout]     |             ^
[INFO] [stdout] 536 |             C
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `A`, `B`, and `C` are never constructed
[INFO] [stdout]    --> src/impls.rs:578:13
[INFO] [stdout]     |
[INFO] [stdout] 577 |         pub enum SimpleEnum2 {
[INFO] [stdout]     |                  ----------- variants in this enum
[INFO] [stdout] 578 |             A,
[INFO] [stdout]     |             ^
[INFO] [stdout] 579 |             B,
[INFO] [stdout]     |             ^
[INFO] [stdout] 580 |             C
[INFO] [stdout]     |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `A`, `B`, and `C` are never constructed
[INFO] [stdout]    --> src/impls.rs:622:13
[INFO] [stdout]     |
[INFO] [stdout] 621 |         pub enum SimpleEnum3 {
[INFO] [stdout]     |                  ----------- variants in this enum
[INFO] [stdout] 622 |             A = 4,
[INFO] [stdout]     |             ^
[INFO] [stdout] 623 |             B = -1,
[INFO] [stdout]     |             ^
[INFO] [stdout] 624 |             C
[INFO] [stdout]     |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "018fb8bf85bf445e12023b4af8d270a8fb6757e425e9687ccb923a127b7c03a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "018fb8bf85bf445e12023b4af8d270a8fb6757e425e9687ccb923a127b7c03a0", kill_on_drop: false }`
[INFO] [stdout] 018fb8bf85bf445e12023b4af8d270a8fb6757e425e9687ccb923a127b7c03a0