[INFO] fetching crate type-onion 0.3.0...
[INFO] building type-onion-0.3.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate type-onion 0.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate type-onion 0.3.0
[INFO] finished tweaking crates.io crate type-onion 0.3.0
[INFO] tweaked toml for crates.io crate type-onion 0.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate type-onion 0.3.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate type-onion 0.3.0 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0882ca71b8dac60fdeab09dc40862f484a1dbc97777053166e803fb800928cbe
[INFO] running `Command { std: "docker" "start" "-a" "0882ca71b8dac60fdeab09dc40862f484a1dbc97777053166e803fb800928cbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0882ca71b8dac60fdeab09dc40862f484a1dbc97777053166e803fb800928cbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0882ca71b8dac60fdeab09dc40862f484a1dbc97777053166e803fb800928cbe", kill_on_drop: false }`
[INFO] [stdout] 0882ca71b8dac60fdeab09dc40862f484a1dbc97777053166e803fb800928cbe
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d505295b96a3ea6d551c561c9e0c0b0577476b0e105019fe20353974316a6a97
[INFO] running `Command { std: "docker" "start" "-a" "d505295b96a3ea6d551c561c9e0c0b0577476b0e105019fe20353974316a6a97", kill_on_drop: false }`
[INFO] [stderr]    Compiling type-onion v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/lib.rs:22:30
[INFO] [stdout]    |
[INFO] [stdout] 22 |                 .filter(|(i, a)| !pos2s.contains(&i))
[INFO] [stdout]    |                              ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/lib.rs:23:25
[INFO] [stdout]    |
[INFO] [stdout] 23 |                 .find(|(i, x)| **x == b)
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "d505295b96a3ea6d551c561c9e0c0b0577476b0e105019fe20353974316a6a97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d505295b96a3ea6d551c561c9e0c0b0577476b0e105019fe20353974316a6a97", kill_on_drop: false }`
[INFO] [stdout] d505295b96a3ea6d551c561c9e0c0b0577476b0e105019fe20353974316a6a97
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4dd94f6baa467580ab059fdf7a1d4d60dd7bab2d4ac85c8404a8dc6e4278da52
[INFO] running `Command { std: "docker" "start" "-a" "4dd94f6baa467580ab059fdf7a1d4d60dd7bab2d4ac85c8404a8dc6e4278da52", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/lib.rs:22:30
[INFO] [stdout]    |
[INFO] [stdout] 22 |                 .filter(|(i, a)| !pos2s.contains(&i))
[INFO] [stdout]    |                              ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/lib.rs:23:25
[INFO] [stdout]    |
[INFO] [stdout] 23 |                 .find(|(i, x)| **x == b)
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling type-onion v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/lib.rs:22:30
[INFO] [stdout]    |
[INFO] [stdout] 22 |                 .filter(|(i, a)| !pos2s.contains(&i))
[INFO] [stdout]    |                              ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/lib.rs:23:25
[INFO] [stdout]    |
[INFO] [stdout] 23 |                 .find(|(i, x)| **x == b)
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "4dd94f6baa467580ab059fdf7a1d4d60dd7bab2d4ac85c8404a8dc6e4278da52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dd94f6baa467580ab059fdf7a1d4d60dd7bab2d4ac85c8404a8dc6e4278da52", kill_on_drop: false }`
[INFO] [stdout] 4dd94f6baa467580ab059fdf7a1d4d60dd7bab2d4ac85c8404a8dc6e4278da52