[INFO] fetching crate mac-sys-info 0.1.13...
[INFO] checking mac-sys-info-0.1.13 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate mac-sys-info 0.1.13 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate mac-sys-info 0.1.13 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 mac-sys-info 0.1.13
[INFO] finished tweaking crates.io crate mac-sys-info 0.1.13
[INFO] tweaked toml for crates.io crate mac-sys-info 0.1.13 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate mac-sys-info 0.1.13 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
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded errno v0.2.7
[INFO] [stderr]   Downloaded humantime v2.0.1
[INFO] [stderr]   Downloaded env_logger v0.8.2
[INFO] [stderr]   Downloaded errno-dragonfly v0.1.1
[INFO] [stderr]   Downloaded unix-exec-output-catcher v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 12e7a7ba2e1829344eee89abf5266d441afeb2bbd04570bcf9cf497831f0f4ea
[INFO] running `Command { std: "docker" "start" "-a" "12e7a7ba2e1829344eee89abf5266d441afeb2bbd04570bcf9cf497831f0f4ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12e7a7ba2e1829344eee89abf5266d441afeb2bbd04570bcf9cf497831f0f4ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12e7a7ba2e1829344eee89abf5266d441afeb2bbd04570bcf9cf497831f0f4ea", kill_on_drop: false }`
[INFO] [stdout] 12e7a7ba2e1829344eee89abf5266d441afeb2bbd04570bcf9cf497831f0f4ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 878829bbcdfc1a62c9a5f3114d354791c7c5ba8554e09571eb05d739f3977ee9
[INFO] running `Command { std: "docker" "start" "-a" "878829bbcdfc1a62c9a5f3114d354791c7c5ba8554e09571eb05d739f3977ee9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking thread_local v1.1.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking env_logger v0.8.2
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]     Checking unix-exec-output-catcher v0.2.3
[INFO] [stderr]     Checking mac-sys-info v0.1.13 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.44s
[INFO] running `Command { std: "docker" "inspect" "878829bbcdfc1a62c9a5f3114d354791c7c5ba8554e09571eb05d739f3977ee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "878829bbcdfc1a62c9a5f3114d354791c7c5ba8554e09571eb05d739f3977ee9", kill_on_drop: false }`
[INFO] [stdout] 878829bbcdfc1a62c9a5f3114d354791c7c5ba8554e09571eb05d739f3977ee9
[INFO] checking mac-sys-info-0.1.13 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate mac-sys-info 0.1.13 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate mac-sys-info 0.1.13 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 mac-sys-info 0.1.13
[INFO] finished tweaking crates.io crate mac-sys-info 0.1.13
[INFO] tweaked toml for crates.io crate mac-sys-info 0.1.13 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate mac-sys-info 0.1.13 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a53c6a9d8bf8fc7e9248b3c59daf62d6edc7e3d4a1d8d0e7bdf09ee5dc258ff2
[INFO] running `Command { std: "docker" "start" "-a" "a53c6a9d8bf8fc7e9248b3c59daf62d6edc7e3d4a1d8d0e7bdf09ee5dc258ff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a53c6a9d8bf8fc7e9248b3c59daf62d6edc7e3d4a1d8d0e7bdf09ee5dc258ff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a53c6a9d8bf8fc7e9248b3c59daf62d6edc7e3d4a1d8d0e7bdf09ee5dc258ff2", kill_on_drop: false }`
[INFO] [stdout] a53c6a9d8bf8fc7e9248b3c59daf62d6edc7e3d4a1d8d0e7bdf09ee5dc258ff2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] f7e773af4af9c9d385293458463406eb92188fc474ac75ac201480c93f0fe8d0
[INFO] running `Command { std: "docker" "start" "-a" "f7e773af4af9c9d385293458463406eb92188fc474ac75ac201480c93f0fe8d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking thread_local v1.1.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking env_logger v0.8.2
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]     Checking unix-exec-output-catcher v0.2.3
[INFO] [stderr]     Checking mac-sys-info v0.1.13 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.36s
[INFO] running `Command { std: "docker" "inspect" "f7e773af4af9c9d385293458463406eb92188fc474ac75ac201480c93f0fe8d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7e773af4af9c9d385293458463406eb92188fc474ac75ac201480c93f0fe8d0", kill_on_drop: false }`
[INFO] [stdout] f7e773af4af9c9d385293458463406eb92188fc474ac75ac201480c93f0fe8d0