[INFO] fetching crate line 0.1.15...
[INFO] checking line-0.1.15 against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] extracting crate line 0.1.15 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate line 0.1.15 on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate line 0.1.15
[INFO] finished tweaking crates.io crate line 0.1.15
[INFO] tweaked toml for crates.io crate line 0.1.15 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2237daa7581854bd249f5f7f45f8c233087d15e4cf25f6c7a546a8026cf35f82
[INFO] running `Command { std: "docker" "start" "-a" "2237daa7581854bd249f5f7f45f8c233087d15e4cf25f6c7a546a8026cf35f82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2237daa7581854bd249f5f7f45f8c233087d15e4cf25f6c7a546a8026cf35f82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2237daa7581854bd249f5f7f45f8c233087d15e4cf25f6c7a546a8026cf35f82", kill_on_drop: false }`
[INFO] [stdout] 2237daa7581854bd249f5f7f45f8c233087d15e4cf25f6c7a546a8026cf35f82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e6a6c7fb168a7c9db62aae435d7d35b4b8291c4c6f8b978a17142d96bdd0fb4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3e6a6c7fb168a7c9db62aae435d7d35b4b8291c4c6f8b978a17142d96bdd0fb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]     Checking line v0.1.15 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `posy0`
[INFO] [stdout]   --> src/unix.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     posy0: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `valid`
[INFO] [stdout]    --> src/unix.rs:488:5
[INFO] [stdout]     |
[INFO] [stdout] 488 |     valid: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `posy0`
[INFO] [stdout]   --> src/unix.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     posy0: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `valid`
[INFO] [stdout]    --> src/unix.rs:488:5
[INFO] [stdout]     |
[INFO] [stdout] 488 |     valid: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.73s
[INFO] running `Command { std: "docker" "inspect" "3e6a6c7fb168a7c9db62aae435d7d35b4b8291c4c6f8b978a17142d96bdd0fb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e6a6c7fb168a7c9db62aae435d7d35b4b8291c4c6f8b978a17142d96bdd0fb4", kill_on_drop: false }`
[INFO] [stdout] 3e6a6c7fb168a7c9db62aae435d7d35b4b8291c4c6f8b978a17142d96bdd0fb4