[INFO] fetching crate clone_from 0.1.0...
[INFO] checking clone_from-0.1.0 against master#a3f76a26e045a760bb1163b7eab36872985242d5 for pr-130930
[INFO] extracting crate clone_from 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate clone_from 0.1.0 on toolchain a3f76a26e045a760bb1163b7eab36872985242d5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate clone_from 0.1.0
[INFO] finished tweaking crates.io crate clone_from 0.1.0
[INFO] tweaked toml for crates.io crate clone_from 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.79)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd09e10601d9c60f8309c828e074d9d7b4fb94f9d36c0a3196f870b8c8966fc8
[INFO] running `Command { std: "docker" "start" "-a" "cd09e10601d9c60f8309c828e074d9d7b4fb94f9d36c0a3196f870b8c8966fc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd09e10601d9c60f8309c828e074d9d7b4fb94f9d36c0a3196f870b8c8966fc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd09e10601d9c60f8309c828e074d9d7b4fb94f9d36c0a3196f870b8c8966fc8", kill_on_drop: false }`
[INFO] [stdout] cd09e10601d9c60f8309c828e074d9d7b4fb94f9d36c0a3196f870b8c8966fc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 495f331a027f7a73bce3ce4c3f420715f6df75033932d88b62849cfcffd27da9
[INFO] running `Command { std: "docker" "start" "-a" "495f331a027f7a73bce3ce4c3f420715f6df75033932d88b62849cfcffd27da9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-ident v1.0.13
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking clone_from v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `MyTest` is never constructed
[INFO] [stdout]  --> tests/integration_test.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct MyTest {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MyTestGeneric` is never constructed
[INFO] [stdout]   --> tests/integration_test.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct MyTestGeneric<'a, T> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UnnamedStruct` is never constructed
[INFO] [stdout]   --> tests/integration_test.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct UnnamedStruct<'a, T>(T, &'a T, String, u64);
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `Command { std: "docker" "inspect" "495f331a027f7a73bce3ce4c3f420715f6df75033932d88b62849cfcffd27da9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "495f331a027f7a73bce3ce4c3f420715f6df75033932d88b62849cfcffd27da9", kill_on_drop: false }`
[INFO] [stdout] 495f331a027f7a73bce3ce4c3f420715f6df75033932d88b62849cfcffd27da9