[INFO] fetching crate mergelog 0.2.0...
[INFO] checking mergelog-0.2.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate mergelog 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate mergelog 0.2.0
[INFO] finished tweaking crates.io crate mergelog 0.2.0
[INFO] tweaked toml for crates.io crate mergelog 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mergelog 0.2.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mergelog 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa0acbb969c7f8278cf5648ed7477a7520f170cfb85e34dc2ed31b8b7a02c60c
[INFO] running `Command { std: "docker" "start" "-a" "fa0acbb969c7f8278cf5648ed7477a7520f170cfb85e34dc2ed31b8b7a02c60c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa0acbb969c7f8278cf5648ed7477a7520f170cfb85e34dc2ed31b8b7a02c60c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa0acbb969c7f8278cf5648ed7477a7520f170cfb85e34dc2ed31b8b7a02c60c", kill_on_drop: false }`
[INFO] [stdout] fa0acbb969c7f8278cf5648ed7477a7520f170cfb85e34dc2ed31b8b7a02c60c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71a8f053ec691939a2e28efa74c4fa136b39ac7da56a005ac9b363f9ecb22556
[INFO] running `Command { std: "docker" "start" "-a" "71a8f053ec691939a2e28efa74c4fa136b39ac7da56a005ac9b363f9ecb22556", kill_on_drop: false }`
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[INFO] [stdout] warning: unused variable: `use_short_links`
[INFO] [stdout]    --> src/main.rs:444:5
[INFO] [stdout]     |
[INFO] [stdout] 444 |     use_short_links: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_use_short_links`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_pull_request` is never read
[INFO] [stdout]    --> src/main.rs:409:5
[INFO] [stdout]     |
[INFO] [stdout] 406 | struct Link {
[INFO] [stdout]     |        ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 409 |     is_pull_request: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Link` has a derived impl for the trait `Clone`, 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: unused variable: `use_short_links`
[INFO] [stdout]    --> src/main.rs:444:5
[INFO] [stdout]     |
[INFO] [stdout] 444 |     use_short_links: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_use_short_links`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_pull_request` is never read
[INFO] [stdout]    --> src/main.rs:409:5
[INFO] [stdout]     |
[INFO] [stdout] 406 | struct Link {
[INFO] [stdout]     |        ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 409 |     is_pull_request: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Link` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.94s
[INFO] running `Command { std: "docker" "inspect" "71a8f053ec691939a2e28efa74c4fa136b39ac7da56a005ac9b363f9ecb22556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71a8f053ec691939a2e28efa74c4fa136b39ac7da56a005ac9b363f9ecb22556", kill_on_drop: false }`
[INFO] [stdout] 71a8f053ec691939a2e28efa74c4fa136b39ac7da56a005ac9b363f9ecb22556