[INFO] cloning repository https://github.com/xenonorchids/trans-flag-picker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xenonorchids/trans-flag-picker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxenonorchids%2Ftrans-flag-picker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxenonorchids%2Ftrans-flag-picker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 96a6040765ba0dc064b3176189c66c750df91b89
[INFO] checking xenonorchids/trans-flag-picker against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxenonorchids%2Ftrans-flag-picker" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xenonorchids/trans-flag-picker 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/xenonorchids/trans-flag-picker
[INFO] finished tweaking git repo https://github.com/xenonorchids/trans-flag-picker
[INFO] tweaked toml for git repo https://github.com/xenonorchids/trans-flag-picker written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/xenonorchids/trans-flag-picker 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded weezl v0.1.6
[INFO] [stderr]   Downloaded tiff v0.7.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 6a49f33c43dd2e43be92d0668019cbef27cf1d59f60bf56115088a9429f4ebef
[INFO] running `Command { std: "docker" "start" "-a" "6a49f33c43dd2e43be92d0668019cbef27cf1d59f60bf56115088a9429f4ebef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a49f33c43dd2e43be92d0668019cbef27cf1d59f60bf56115088a9429f4ebef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a49f33c43dd2e43be92d0668019cbef27cf1d59f60bf56115088a9429f4ebef", kill_on_drop: false }`
[INFO] [stdout] 6a49f33c43dd2e43be92d0668019cbef27cf1d59f60bf56115088a9429f4ebef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e64d8626bbaa7b3017b47b567dbd09f407a30af4fbc9ddc36309dab5ff11cb6d
[INFO] running `Command { std: "docker" "start" "-a" "e64d8626bbaa7b3017b47b567dbd09f407a30af4fbc9ddc36309dab5ff11cb6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling rayon-core v1.9.2
[INFO] [stderr]    Compiling syn v1.0.93
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rayon v1.5.2
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking spin v0.9.3
[INFO] [stderr]     Checking deflate v1.0.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking weezl v0.1.6
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking flate2 v1.0.23
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking lebe v0.5.1
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking png v0.17.5
[INFO] [stderr]     Checking gif v0.11.3
[INFO] [stderr]     Checking bytemuck v1.9.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking num-iter v0.1.43
[INFO] [stderr]     Checking jpeg-decoder v0.2.6
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]     Checking tiff v0.7.2
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking flume v0.10.12
[INFO] [stderr]     Checking exr v1.4.2
[INFO] [stderr]     Checking image v0.24.2
[INFO] [stderr]     Checking trans_flag_picker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.66s
[INFO] running `Command { std: "docker" "inspect" "e64d8626bbaa7b3017b47b567dbd09f407a30af4fbc9ddc36309dab5ff11cb6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e64d8626bbaa7b3017b47b567dbd09f407a30af4fbc9ddc36309dab5ff11cb6d", kill_on_drop: false }`
[INFO] [stdout] e64d8626bbaa7b3017b47b567dbd09f407a30af4fbc9ddc36309dab5ff11cb6d
[INFO] checking xenonorchids/trans-flag-picker against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxenonorchids%2Ftrans-flag-picker" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xenonorchids/trans-flag-picker 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/xenonorchids/trans-flag-picker
[INFO] finished tweaking git repo https://github.com/xenonorchids/trans-flag-picker
[INFO] tweaked toml for git repo https://github.com/xenonorchids/trans-flag-picker written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/xenonorchids/trans-flag-picker 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2789813facab11031261759474bc8c7888e09a71a4fe71525b2d3e643874e299
[INFO] running `Command { std: "docker" "start" "-a" "2789813facab11031261759474bc8c7888e09a71a4fe71525b2d3e643874e299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2789813facab11031261759474bc8c7888e09a71a4fe71525b2d3e643874e299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2789813facab11031261759474bc8c7888e09a71a4fe71525b2d3e643874e299", kill_on_drop: false }`
[INFO] [stdout] 2789813facab11031261759474bc8c7888e09a71a4fe71525b2d3e643874e299
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] fa2f12f8f3efd6835d3fb895694a378be562f55c4cfa916dc3c3174dc4153c58
[INFO] running `Command { std: "docker" "start" "-a" "fa2f12f8f3efd6835d3fb895694a378be562f55c4cfa916dc3c3174dc4153c58", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling rayon-core v1.9.2
[INFO] [stderr]    Compiling syn v1.0.93
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rayon v1.5.2
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking spin v0.9.3
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking deflate v1.0.0
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking weezl v0.1.6
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking lebe v0.5.1
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking flate2 v1.0.23
[INFO] [stderr]     Checking png v0.17.5
[INFO] [stderr]     Checking gif v0.11.3
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking bytemuck v1.9.1
[INFO] [stderr]     Checking num-iter v0.1.43
[INFO] [stderr]     Checking jpeg-decoder v0.2.6
[INFO] [stderr]     Checking tiff v0.7.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking flume v0.10.12
[INFO] [stderr]     Checking exr v1.4.2
[INFO] [stderr]     Checking image v0.24.2
[INFO] [stderr]     Checking trans_flag_picker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.90s
[INFO] running `Command { std: "docker" "inspect" "fa2f12f8f3efd6835d3fb895694a378be562f55c4cfa916dc3c3174dc4153c58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa2f12f8f3efd6835d3fb895694a378be562f55c4cfa916dc3c3174dc4153c58", kill_on_drop: false }`
[INFO] [stdout] fa2f12f8f3efd6835d3fb895694a378be562f55c4cfa916dc3c3174dc4153c58