[INFO] fetching crate rt_vec 0.1.1...
[INFO] checking rt_vec-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate rt_vec 0.1.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate rt_vec 0.1.1 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] removed /workspace/builds/worker-5-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate rt_vec 0.1.1
[INFO] finished tweaking crates.io crate rt_vec 0.1.1
[INFO] tweaked toml for crates.io crate rt_vec 0.1.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate rt_vec 0.1.1 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 rt_ref v0.2.0
[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] 4b32739ca578d3a839195363bf6d733ed84e8c7b837e8cc4084d028a0e53a5da
[INFO] running `Command { std: "docker" "start" "-a" "4b32739ca578d3a839195363bf6d733ed84e8c7b837e8cc4084d028a0e53a5da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b32739ca578d3a839195363bf6d733ed84e8c7b837e8cc4084d028a0e53a5da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b32739ca578d3a839195363bf6d733ed84e8c7b837e8cc4084d028a0e53a5da", kill_on_drop: false }`
[INFO] [stdout] 4b32739ca578d3a839195363bf6d733ed84e8c7b837e8cc4084d028a0e53a5da
[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] 6aefb245608b5b69e77ceacab676a10fad48449c5605bda4cb3114ac1de51d00
[INFO] running `Command { std: "docker" "start" "-a" "6aefb245608b5b69e77ceacab676a10fad48449c5605bda4cb3114ac1de51d00", kill_on_drop: false }`
[INFO] [stderr]     Checking rt_ref v0.2.0
[INFO] [stderr]     Checking rt_vec v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "6aefb245608b5b69e77ceacab676a10fad48449c5605bda4cb3114ac1de51d00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6aefb245608b5b69e77ceacab676a10fad48449c5605bda4cb3114ac1de51d00", kill_on_drop: false }`
[INFO] [stdout] 6aefb245608b5b69e77ceacab676a10fad48449c5605bda4cb3114ac1de51d00
[INFO] checking rt_vec-0.1.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate rt_vec 0.1.1 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate rt_vec 0.1.1 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] removed /workspace/builds/worker-5-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate rt_vec 0.1.1
[INFO] finished tweaking crates.io crate rt_vec 0.1.1
[INFO] tweaked toml for crates.io crate rt_vec 0.1.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate rt_vec 0.1.1 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] [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] a0ff610f09bdce108b2b13f5ceb315413b6921b26303b0e8d2d6ece59604a135
[INFO] running `Command { std: "docker" "start" "-a" "a0ff610f09bdce108b2b13f5ceb315413b6921b26303b0e8d2d6ece59604a135", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0ff610f09bdce108b2b13f5ceb315413b6921b26303b0e8d2d6ece59604a135", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0ff610f09bdce108b2b13f5ceb315413b6921b26303b0e8d2d6ece59604a135", kill_on_drop: false }`
[INFO] [stdout] a0ff610f09bdce108b2b13f5ceb315413b6921b26303b0e8d2d6ece59604a135
[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] 5f72c3df414f46ff723416c7a14da5602c7b556d191e00292aeeb19957e33f6c
[INFO] running `Command { std: "docker" "start" "-a" "5f72c3df414f46ff723416c7a14da5602c7b556d191e00292aeeb19957e33f6c", kill_on_drop: false }`
[INFO] [stderr]     Checking rt_ref v0.2.0
[INFO] [stderr]     Checking rt_vec v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "5f72c3df414f46ff723416c7a14da5602c7b556d191e00292aeeb19957e33f6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f72c3df414f46ff723416c7a14da5602c7b556d191e00292aeeb19957e33f6c", kill_on_drop: false }`
[INFO] [stdout] 5f72c3df414f46ff723416c7a14da5602c7b556d191e00292aeeb19957e33f6c