[INFO] cloning repository https://github.com/alec-brooks/rust-sokoban
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alec-brooks/rust-sokoban" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falec-brooks%2Frust-sokoban", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falec-brooks%2Frust-sokoban'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c10dd57722a6bc8400c2edd40b112fd34c690c4
[INFO] checking alec-brooks/rust-sokoban against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falec-brooks%2Frust-sokoban" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alec-brooks/rust-sokoban on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alec-brooks/rust-sokoban
[INFO] finished tweaking git repo https://github.com/alec-brooks/rust-sokoban
[INFO] tweaked toml for git repo https://github.com/alec-brooks/rust-sokoban written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/alec-brooks/rust-sokoban 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8cfe6f71e1058a5457b037f00a462a626d8bb12d1667595e2abade28d8e9f178
[INFO] running `Command { std: "docker" "start" "-a" "8cfe6f71e1058a5457b037f00a462a626d8bb12d1667595e2abade28d8e9f178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cfe6f71e1058a5457b037f00a462a626d8bb12d1667595e2abade28d8e9f178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cfe6f71e1058a5457b037f00a462a626d8bb12d1667595e2abade28d8e9f178", kill_on_drop: false }`
[INFO] [stdout] 8cfe6f71e1058a5457b037f00a462a626d8bb12d1667595e2abade28d8e9f178
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6f2432308718e5dcfbfc25571d54a276bc940e1efd139b1da7696af488a50ed
[INFO] running `Command { std: "docker" "start" "-a" "e6f2432308718e5dcfbfc25571d54a276bc940e1efd139b1da7696af488a50ed", kill_on_drop: false }`
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[INFO] [stderr]    Compiling rustc_version v0.2.3
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[INFO] [stderr]    Compiling parking_lot v0.9.0
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[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling specs-derive v0.4.1
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[INFO] [stderr]     Checking lyon_algorithms v0.13.4
[INFO] [stderr]     Checking lyon v0.13.5
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]    Compiling ggez v0.5.1
[INFO] [stderr]     Checking rodio v0.9.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.6
[INFO] [stderr]     Checking winit v0.19.5
[INFO] [stderr]     Checking glutin v0.20.1
[INFO] [stderr]     Checking gfx_window_glutin v0.30.0
[INFO] [stderr]     Checking rust-sokoban v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `ggez` is imported redundantly
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ggez;
[INFO] [stdout]   |     ^^^^ the item `ggez` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ggez` is imported redundantly
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ggez;
[INFO] [stdout]   |     ^^^^ the item `ggez` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ggez` is imported redundantly
[INFO] [stdout]  --> src/systems/rendering_system.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ggez;
[INFO] [stdout]   |     ^^^^ the item `ggez` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ggez` is imported redundantly
[INFO] [stdout]  --> src/systems/rendering_system.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ggez;
[INFO] [stdout]   |     ^^^^ the item `ggez` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 50.92s
[INFO] running `Command { std: "docker" "inspect" "e6f2432308718e5dcfbfc25571d54a276bc940e1efd139b1da7696af488a50ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6f2432308718e5dcfbfc25571d54a276bc940e1efd139b1da7696af488a50ed", kill_on_drop: false }`
[INFO] [stdout] e6f2432308718e5dcfbfc25571d54a276bc940e1efd139b1da7696af488a50ed
[INFO] checking alec-brooks/rust-sokoban against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falec-brooks%2Frust-sokoban" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alec-brooks/rust-sokoban on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alec-brooks/rust-sokoban
[INFO] finished tweaking git repo https://github.com/alec-brooks/rust-sokoban
[INFO] tweaked toml for git repo https://github.com/alec-brooks/rust-sokoban written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/alec-brooks/rust-sokoban 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad9e579f966999d167d6638e1895fe58e6f8d2c4ec2ba98189345f6ee228b71d
[INFO] running `Command { std: "docker" "start" "-a" "ad9e579f966999d167d6638e1895fe58e6f8d2c4ec2ba98189345f6ee228b71d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad9e579f966999d167d6638e1895fe58e6f8d2c4ec2ba98189345f6ee228b71d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad9e579f966999d167d6638e1895fe58e6f8d2c4ec2ba98189345f6ee228b71d", kill_on_drop: false }`
[INFO] [stdout] ad9e579f966999d167d6638e1895fe58e6f8d2c4ec2ba98189345f6ee228b71d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e261bf67a9348801036be3dad3c5dcc8c795db47987fe33f34227d7f7273a67
[INFO] running `Command { std: "docker" "start" "-a" "2e261bf67a9348801036be3dad3c5dcc8c795db47987fe33f34227d7f7273a67", kill_on_drop: false }`
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[INFO] [stdout] warning: the item `ggez` is imported redundantly
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ggez;
[INFO] [stdout]   |     ^^^^ the item `ggez` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ggez` is imported redundantly
[INFO] [stdout]  --> src/systems/rendering_system.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ggez;
[INFO] [stdout]   |     ^^^^ the item `ggez` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ggez` is imported redundantly
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ggez;
[INFO] [stdout]   |     ^^^^ the item `ggez` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ggez` is imported redundantly
[INFO] [stdout]  --> src/systems/rendering_system.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ggez;
[INFO] [stdout]   |     ^^^^ the item `ggez` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 49.44s
[INFO] running `Command { std: "docker" "inspect" "2e261bf67a9348801036be3dad3c5dcc8c795db47987fe33f34227d7f7273a67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e261bf67a9348801036be3dad3c5dcc8c795db47987fe33f34227d7f7273a67", kill_on_drop: false }`
[INFO] [stdout] 2e261bf67a9348801036be3dad3c5dcc8c795db47987fe33f34227d7f7273a67