[INFO] cloning repository https://github.com/nicholasbishop/cyusb-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nicholasbishop/cyusb-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicholasbishop%2Fcyusb-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicholasbishop%2Fcyusb-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6f1cfc8812dd9839b85faa4b556522f37a4de0e0
[INFO] checking nicholasbishop/cyusb-rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicholasbishop%2Fcyusb-rs" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nicholasbishop/cyusb-rs 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/nicholasbishop/cyusb-rs
[INFO] finished tweaking git repo https://github.com/nicholasbishop/cyusb-rs
[INFO] tweaked toml for git repo https://github.com/nicholasbishop/cyusb-rs written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nicholasbishop/cyusb-rs 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]      Locking 1 package
[INFO] [stderr]     Updating cyusb v0.9.0 (/workspace/builds/worker-3-tc1/source) -> v0.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 67a48c19bbae0124a5bccea05e8927e1188ddae3e8b267b94e00cd6e6c0e75ef
[INFO] running `Command { std: "docker" "start" "-a" "67a48c19bbae0124a5bccea05e8927e1188ddae3e8b267b94e00cd6e6c0e75ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67a48c19bbae0124a5bccea05e8927e1188ddae3e8b267b94e00cd6e6c0e75ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67a48c19bbae0124a5bccea05e8927e1188ddae3e8b267b94e00cd6e6c0e75ef", kill_on_drop: false }`
[INFO] [stdout] 67a48c19bbae0124a5bccea05e8927e1188ddae3e8b267b94e00cd6e6c0e75ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 90cbd02cdd3aed836e1125e523671d2aa0c5c00fd04005945cec9a6ecf274a70
[INFO] running `Command { std: "docker" "start" "-a" "90cbd02cdd3aed836e1125e523671d2aa0c5c00fd04005945cec9a6ecf274a70", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling rusb v0.9.1
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling libusb1-sys v0.6.2
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking cyusb v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.36s
[INFO] running `Command { std: "docker" "inspect" "90cbd02cdd3aed836e1125e523671d2aa0c5c00fd04005945cec9a6ecf274a70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90cbd02cdd3aed836e1125e523671d2aa0c5c00fd04005945cec9a6ecf274a70", kill_on_drop: false }`
[INFO] [stdout] 90cbd02cdd3aed836e1125e523671d2aa0c5c00fd04005945cec9a6ecf274a70
[INFO] checking nicholasbishop/cyusb-rs against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicholasbishop%2Fcyusb-rs" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nicholasbishop/cyusb-rs 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/nicholasbishop/cyusb-rs
[INFO] finished tweaking git repo https://github.com/nicholasbishop/cyusb-rs
[INFO] tweaked toml for git repo https://github.com/nicholasbishop/cyusb-rs written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/nicholasbishop/cyusb-rs 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]      Locking 1 package
[INFO] [stderr]     Updating cyusb v0.9.0 (/workspace/builds/worker-3-tc2/source) -> v0.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 15b051754903f44a6cf6603e4c54bf7b6f3cf1d81adf304917960c52fa459e97
[INFO] running `Command { std: "docker" "start" "-a" "15b051754903f44a6cf6603e4c54bf7b6f3cf1d81adf304917960c52fa459e97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15b051754903f44a6cf6603e4c54bf7b6f3cf1d81adf304917960c52fa459e97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15b051754903f44a6cf6603e4c54bf7b6f3cf1d81adf304917960c52fa459e97", kill_on_drop: false }`
[INFO] [stdout] 15b051754903f44a6cf6603e4c54bf7b6f3cf1d81adf304917960c52fa459e97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f517d9d60e4971c6d0d09495bf01f585d621125eed868c5220291e06444ca433
[INFO] running `Command { std: "docker" "start" "-a" "f517d9d60e4971c6d0d09495bf01f585d621125eed868c5220291e06444ca433", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling rusb v0.9.1
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling libusb1-sys v0.6.2
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking cyusb v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.49s
[INFO] running `Command { std: "docker" "inspect" "f517d9d60e4971c6d0d09495bf01f585d621125eed868c5220291e06444ca433", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f517d9d60e4971c6d0d09495bf01f585d621125eed868c5220291e06444ca433", kill_on_drop: false }`
[INFO] [stdout] f517d9d60e4971c6d0d09495bf01f585d621125eed868c5220291e06444ca433