[INFO] fetching crate bstring 0.1.0...
[INFO] checking bstring-0.1.0 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate bstring 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate bstring 0.1.0 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bstring 0.1.0
[INFO] finished tweaking crates.io crate bstring 0.1.0
[INFO] tweaked toml for crates.io crate bstring 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 076eaf01d66662ed34bf47cda19dc9e242430db16a811acfcd7d51dd15f07650
[INFO] running `Command { std: "docker" "start" "-a" "076eaf01d66662ed34bf47cda19dc9e242430db16a811acfcd7d51dd15f07650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "076eaf01d66662ed34bf47cda19dc9e242430db16a811acfcd7d51dd15f07650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "076eaf01d66662ed34bf47cda19dc9e242430db16a811acfcd7d51dd15f07650", kill_on_drop: false }`
[INFO] [stdout] 076eaf01d66662ed34bf47cda19dc9e242430db16a811acfcd7d51dd15f07650
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30fc599c8d7ed3073db208093fb9bd6fb258bbe78ae23d2a68fb4c14b0d43e95
[INFO] running `Command { std: "docker" "start" "-a" "30fc599c8d7ed3073db208093fb9bd6fb258bbe78ae23d2a68fb4c14b0d43e95", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking ref_slice v1.2.1
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]     Checking bstring v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `ref_slice::ref_slice`: Similar method was added to std and stabilized in rust 1.28.0. Use `core::slice::from_ref` instead.
[INFO] [stdout]   --> src/bstring.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 | use ref_slice::{ref_slice, ref_slice_mut};
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ref_slice::ref_slice_mut`: Similar method was added to std and stabilized in rust 1.28.0. Use `core::slice::from_mut` instead.
[INFO] [stdout]   --> src/bstring.rs:21:28
[INFO] [stdout]    |
[INFO] [stdout] 21 | use ref_slice::{ref_slice, ref_slice_mut};
[INFO] [stdout]    |                            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ref_slice::ref_slice`: Similar method was added to std and stabilized in rust 1.28.0. Use `core::slice::from_ref` instead.
[INFO] [stdout]     --> src/bstring.rs:1555:9
[INFO] [stdout]      |
[INFO] [stdout] 1555 |         ref_slice(self).as_ref()
[INFO] [stdout]      |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ref_slice::ref_slice_mut`: Similar method was added to std and stabilized in rust 1.28.0. Use `core::slice::from_mut` instead.
[INFO] [stdout]     --> src/bstring.rs:1603:9
[INFO] [stdout]      |
[INFO] [stdout] 1603 |         ref_slice_mut(self).as_mut()
[INFO] [stdout]      |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ref_slice::ref_slice`: Similar method was added to std and stabilized in rust 1.28.0. Use `core::slice::from_ref` instead.
[INFO] [stdout]   --> src/bstring.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 | use ref_slice::{ref_slice, ref_slice_mut};
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ref_slice::ref_slice_mut`: Similar method was added to std and stabilized in rust 1.28.0. Use `core::slice::from_mut` instead.
[INFO] [stdout]   --> src/bstring.rs:21:28
[INFO] [stdout]    |
[INFO] [stdout] 21 | use ref_slice::{ref_slice, ref_slice_mut};
[INFO] [stdout]    |                            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ref_slice::ref_slice`: Similar method was added to std and stabilized in rust 1.28.0. Use `core::slice::from_ref` instead.
[INFO] [stdout]     --> src/bstring.rs:1555:9
[INFO] [stdout]      |
[INFO] [stdout] 1555 |         ref_slice(self).as_ref()
[INFO] [stdout]      |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ref_slice::ref_slice_mut`: Similar method was added to std and stabilized in rust 1.28.0. Use `core::slice::from_mut` instead.
[INFO] [stdout]     --> src/bstring.rs:1603:9
[INFO] [stdout]      |
[INFO] [stdout] 1603 |         ref_slice_mut(self).as_mut()
[INFO] [stdout]      |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "30fc599c8d7ed3073db208093fb9bd6fb258bbe78ae23d2a68fb4c14b0d43e95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30fc599c8d7ed3073db208093fb9bd6fb258bbe78ae23d2a68fb4c14b0d43e95", kill_on_drop: false }`
[INFO] [stdout] 30fc599c8d7ed3073db208093fb9bd6fb258bbe78ae23d2a68fb4c14b0d43e95