[INFO] fetching crate gc_nes_desktop 0.1.0...
[INFO] checking gc_nes_desktop-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate gc_nes_desktop 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate gc_nes_desktop 0.1.0 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 crates.io crate gc_nes_desktop 0.1.0
[INFO] finished tweaking crates.io crate gc_nes_desktop 0.1.0
[INFO] tweaked toml for crates.io crate gc_nes_desktop 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate gc_nes_desktop 0.1.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-iter v0.1.40
[INFO] [stderr]   Downloaded simple-error v0.2.1
[INFO] [stderr]   Downloaded cast v0.2.3
[INFO] [stderr]   Downloaded proc-macro2 v1.0.17
[INFO] [stderr]   Downloaded gc_nes_core v0.1.0
[INFO] [stderr]   Downloaded bit_reverse v0.1.8
[INFO] [stderr]   Downloaded emulator_6502 v1.0.0
[INFO] [stderr]   Downloaded syn v1.0.27
[INFO] [stderr]   Downloaded sdl2-sys v0.32.6
[INFO] [stderr]   Downloaded cc v1.0.54
[INFO] [stderr]   Downloaded num-traits v0.2.11
[INFO] [stderr]   Downloaded sdl2 v0.32.2
[INFO] [stderr]   Downloaded minifb v0.13.0
[INFO] [stderr]   Downloaded orbclient v0.3.27
[INFO] [stderr]   Downloaded num-integer v0.1.42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 9e9c6d73c987efecc41801385bdafe5267f5530dd4aedeb18fda61152e725c50
[INFO] running `Command { std: "docker" "start" "-a" "9e9c6d73c987efecc41801385bdafe5267f5530dd4aedeb18fda61152e725c50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e9c6d73c987efecc41801385bdafe5267f5530dd4aedeb18fda61152e725c50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e9c6d73c987efecc41801385bdafe5267f5530dd4aedeb18fda61152e725c50", kill_on_drop: false }`
[INFO] [stdout] 9e9c6d73c987efecc41801385bdafe5267f5530dd4aedeb18fda61152e725c50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7f64d951034d7710fb8b69e3e23787b5f864e1c21e244f85433855e5f3796d37
[INFO] running `Command { std: "docker" "start" "-a" "7f64d951034d7710fb8b69e3e23787b5f864e1c21e244f85433855e5f3796d37", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling syn v1.0.27
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking simple-error v0.2.1
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking bit_reverse v0.1.8
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling minifb v0.13.0
[INFO] [stderr]     Checking emulator_6502 v1.0.0
[INFO] [stderr]     Checking gc_nes_core v0.1.0
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]     Checking gc_nes_desktop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.23s
[INFO] running `Command { std: "docker" "inspect" "7f64d951034d7710fb8b69e3e23787b5f864e1c21e244f85433855e5f3796d37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f64d951034d7710fb8b69e3e23787b5f864e1c21e244f85433855e5f3796d37", kill_on_drop: false }`
[INFO] [stdout] 7f64d951034d7710fb8b69e3e23787b5f864e1c21e244f85433855e5f3796d37
[INFO] checking gc_nes_desktop-0.1.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate gc_nes_desktop 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate gc_nes_desktop 0.1.0 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 crates.io crate gc_nes_desktop 0.1.0
[INFO] finished tweaking crates.io crate gc_nes_desktop 0.1.0
[INFO] tweaked toml for crates.io crate gc_nes_desktop 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate gc_nes_desktop 0.1.0 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 901f693d7ec6acdc8649d80f108b72542cc35237c2df5293536b764bc09ac6f5
[INFO] running `Command { std: "docker" "start" "-a" "901f693d7ec6acdc8649d80f108b72542cc35237c2df5293536b764bc09ac6f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "901f693d7ec6acdc8649d80f108b72542cc35237c2df5293536b764bc09ac6f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "901f693d7ec6acdc8649d80f108b72542cc35237c2df5293536b764bc09ac6f5", kill_on_drop: false }`
[INFO] [stdout] 901f693d7ec6acdc8649d80f108b72542cc35237c2df5293536b764bc09ac6f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 2d512c10cb93d119f12250a6b6a9bdfd519a9691cb53795d19eefce0f2880ead
[INFO] running `Command { std: "docker" "start" "-a" "2d512c10cb93d119f12250a6b6a9bdfd519a9691cb53795d19eefce0f2880ead", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling syn v1.0.27
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking bit_reverse v0.1.8
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking simple-error v0.2.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking emulator_6502 v1.0.0
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking gc_nes_core v0.1.0
[INFO] [stderr]    Compiling minifb v0.13.0
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]     Checking gc_nes_desktop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.89s
[INFO] running `Command { std: "docker" "inspect" "2d512c10cb93d119f12250a6b6a9bdfd519a9691cb53795d19eefce0f2880ead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d512c10cb93d119f12250a6b6a9bdfd519a9691cb53795d19eefce0f2880ead", kill_on_drop: false }`
[INFO] [stdout] 2d512c10cb93d119f12250a6b6a9bdfd519a9691cb53795d19eefce0f2880ead