[INFO] fetching crate yastl 0.1.2...
[INFO] checking yastl-0.1.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate yastl 0.1.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate yastl 0.1.2 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 yastl 0.1.2
[INFO] finished tweaking crates.io crate yastl 0.1.2
[INFO] tweaked toml for crates.io crate yastl 0.1.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate yastl 0.1.2 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 flume v0.10.2
[INFO] [stderr]   Downloaded coz v0.1.3
[INFO] [stderr]   Downloaded spinning_top v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] ca29a2470feea4f1209eb0a27e9def17b0ead0087fb2bcd1dc34388bc906f7b5
[INFO] running `Command { std: "docker" "start" "-a" "ca29a2470feea4f1209eb0a27e9def17b0ead0087fb2bcd1dc34388bc906f7b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca29a2470feea4f1209eb0a27e9def17b0ead0087fb2bcd1dc34388bc906f7b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca29a2470feea4f1209eb0a27e9def17b0ead0087fb2bcd1dc34388bc906f7b5", kill_on_drop: false }`
[INFO] [stdout] ca29a2470feea4f1209eb0a27e9def17b0ead0087fb2bcd1dc34388bc906f7b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 442b428e099e3c106e6e2ebd014a5419ab60a4b966d62f3b1cba9abf6e391403
[INFO] running `Command { std: "docker" "start" "-a" "442b428e099e3c106e6e2ebd014a5419ab60a4b966d62f3b1cba9abf6e391403", kill_on_drop: false }`
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking spinning_top v0.2.2
[INFO] [stderr]     Checking flume v0.10.2
[INFO] [stderr]     Checking yastl v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "442b428e099e3c106e6e2ebd014a5419ab60a4b966d62f3b1cba9abf6e391403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "442b428e099e3c106e6e2ebd014a5419ab60a4b966d62f3b1cba9abf6e391403", kill_on_drop: false }`
[INFO] [stdout] 442b428e099e3c106e6e2ebd014a5419ab60a4b966d62f3b1cba9abf6e391403
[INFO] checking yastl-0.1.2 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate yastl 0.1.2 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate yastl 0.1.2 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 yastl 0.1.2
[INFO] finished tweaking crates.io crate yastl 0.1.2
[INFO] tweaked toml for crates.io crate yastl 0.1.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate yastl 0.1.2 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 40fb278005f858d09390c4f18d4c066194fa947bf2e328aa47370c34c8c34208
[INFO] running `Command { std: "docker" "start" "-a" "40fb278005f858d09390c4f18d4c066194fa947bf2e328aa47370c34c8c34208", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40fb278005f858d09390c4f18d4c066194fa947bf2e328aa47370c34c8c34208", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40fb278005f858d09390c4f18d4c066194fa947bf2e328aa47370c34c8c34208", kill_on_drop: false }`
[INFO] [stdout] 40fb278005f858d09390c4f18d4c066194fa947bf2e328aa47370c34c8c34208
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 10c331aecb467c92e760b14b187722545e4978f32004489fe5082b39416137fc
[INFO] running `Command { std: "docker" "start" "-a" "10c331aecb467c92e760b14b187722545e4978f32004489fe5082b39416137fc", kill_on_drop: false }`
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking spinning_top v0.2.2
[INFO] [stderr]     Checking flume v0.10.2
[INFO] [stderr]     Checking yastl v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "10c331aecb467c92e760b14b187722545e4978f32004489fe5082b39416137fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10c331aecb467c92e760b14b187722545e4978f32004489fe5082b39416137fc", kill_on_drop: false }`
[INFO] [stdout] 10c331aecb467c92e760b14b187722545e4978f32004489fe5082b39416137fc