[INFO] fetching crate filesfinder 0.4.12...
[INFO] checking filesfinder-0.4.12 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate filesfinder 0.4.12 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate filesfinder 0.4.12 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 filesfinder 0.4.12
[INFO] removed 1 missing tests
[INFO] finished tweaking crates.io crate filesfinder 0.4.12
[INFO] tweaked toml for crates.io crate filesfinder 0.4.12 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate filesfinder 0.4.12 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]  Downloading crates ...
[INFO] [stderr]   Downloaded globset v0.4.10
[INFO] [stderr]   Downloaded serde v1.0.155
[INFO] [stderr]   Downloaded aho-corasick v0.7.20
[INFO] [stderr]   Downloaded regex v1.8.4
[INFO] [stderr]   Downloaded bstr v1.3.0
[INFO] [stderr]   Downloaded regex-syntax v0.7.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e353de47322c997908ecb763912f3dfc7f15b9af99595983308a738675976be5
[INFO] running `Command { std: "docker" "start" "-a" "e353de47322c997908ecb763912f3dfc7f15b9af99595983308a738675976be5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e353de47322c997908ecb763912f3dfc7f15b9af99595983308a738675976be5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e353de47322c997908ecb763912f3dfc7f15b9af99595983308a738675976be5", kill_on_drop: false }`
[INFO] [stdout] e353de47322c997908ecb763912f3dfc7f15b9af99595983308a738675976be5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] d9d2d56efe20c366bb9d3e7b35a4c03e24403ec8a5827ccfab59139e4fc66ba2
[INFO] running `Command { std: "docker" "start" "-a" "d9d2d56efe20c366bb9d3e7b35a4c03e24403ec8a5827ccfab59139e4fc66ba2", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]     Checking aho-corasick v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking bstr v1.3.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking regex v1.8.4
[INFO] [stderr]     Checking globset v0.4.10
[INFO] [stderr]     Checking ignore v0.4.20
[INFO] [stderr]     Checking filesfinder v0.4.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.38s
[INFO] running `Command { std: "docker" "inspect" "d9d2d56efe20c366bb9d3e7b35a4c03e24403ec8a5827ccfab59139e4fc66ba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9d2d56efe20c366bb9d3e7b35a4c03e24403ec8a5827ccfab59139e4fc66ba2", kill_on_drop: false }`
[INFO] [stdout] d9d2d56efe20c366bb9d3e7b35a4c03e24403ec8a5827ccfab59139e4fc66ba2
[INFO] checking filesfinder-0.4.12 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate filesfinder 0.4.12 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate filesfinder 0.4.12 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 filesfinder 0.4.12
[INFO] removed 1 missing tests
[INFO] finished tweaking crates.io crate filesfinder 0.4.12
[INFO] tweaked toml for crates.io crate filesfinder 0.4.12 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate filesfinder 0.4.12 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9a8502a92b524056d37fc648d06c05cd4da700426979f7ac9454b27589186593
[INFO] running `Command { std: "docker" "start" "-a" "9a8502a92b524056d37fc648d06c05cd4da700426979f7ac9454b27589186593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a8502a92b524056d37fc648d06c05cd4da700426979f7ac9454b27589186593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a8502a92b524056d37fc648d06c05cd4da700426979f7ac9454b27589186593", kill_on_drop: false }`
[INFO] [stdout] 9a8502a92b524056d37fc648d06c05cd4da700426979f7ac9454b27589186593
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 21222c44d23559dbd4b5f1f504c8c7b5828e9d4856e124a2c376bdedc051eb0a
[INFO] running `Command { std: "docker" "start" "-a" "21222c44d23559dbd4b5f1f504c8c7b5828e9d4856e124a2c376bdedc051eb0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]     Checking aho-corasick v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking bstr v1.3.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking regex v1.8.4
[INFO] [stderr]     Checking globset v0.4.10
[INFO] [stderr]     Checking ignore v0.4.20
[INFO] [stderr]     Checking filesfinder v0.4.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.13s
[INFO] running `Command { std: "docker" "inspect" "21222c44d23559dbd4b5f1f504c8c7b5828e9d4856e124a2c376bdedc051eb0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21222c44d23559dbd4b5f1f504c8c7b5828e9d4856e124a2c376bdedc051eb0a", kill_on_drop: false }`
[INFO] [stdout] 21222c44d23559dbd4b5f1f504c8c7b5828e9d4856e124a2c376bdedc051eb0a