[INFO] cloning repository https://github.com/gushernobindsme/rust-typical90
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gushernobindsme/rust-typical90" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgushernobindsme%2Frust-typical90", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgushernobindsme%2Frust-typical90'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8255779058f7143aa42e25a8e8e15047d1fdde6b
[INFO] checking gushernobindsme/rust-typical90 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgushernobindsme%2Frust-typical90" "/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/gushernobindsme/rust-typical90 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-3-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/gushernobindsme/rust-typical90
[INFO] finished tweaking git repo https://github.com/gushernobindsme/rust-typical90
[INFO] tweaked toml for git repo https://github.com/gushernobindsme/rust-typical90 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/gushernobindsme/rust-typical90 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 proconio-derive v0.1.9
[INFO] [stderr]   Downloaded proconio v0.3.6
[INFO] [stderr]   Downloaded cli_test_dir v0.1.7
[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] 9ea44e890d12ab6aa163d335a0ab0b3c63780131ba6cfcb523f2da8646af26b6
[INFO] running `Command { std: "docker" "start" "-a" "9ea44e890d12ab6aa163d335a0ab0b3c63780131ba6cfcb523f2da8646af26b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ea44e890d12ab6aa163d335a0ab0b3c63780131ba6cfcb523f2da8646af26b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ea44e890d12ab6aa163d335a0ab0b3c63780131ba6cfcb523f2da8646af26b6", kill_on_drop: false }`
[INFO] [stdout] 9ea44e890d12ab6aa163d335a0ab0b3c63780131ba6cfcb523f2da8646af26b6
[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] 54d6da7ff60b9b1264e94a8837ec996ab0900b88ebeaa43f97f20740d7f5878d
[INFO] running `Command { std: "docker" "start" "-a" "54d6da7ff60b9b1264e94a8837ec996ab0900b88ebeaa43f97f20740d7f5878d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking cli_test_dir v0.1.7
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking superslice v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking petgraph v0.5.0
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling proconio-derive v0.1.9
[INFO] [stderr]     Checking proconio v0.3.6
[INFO] [stderr]     Checking q-027 v0.1.0 (/opt/rustwide/workdir/q-027)
[INFO] [stderr]     Checking q-055 v0.1.0 (/opt/rustwide/workdir/q-055)
[INFO] [stderr]     Checking q-004 v0.1.0 (/opt/rustwide/workdir/q-004)
[INFO] [stderr]     Checking q-033 v0.1.0 (/opt/rustwide/workdir/q-033)
[INFO] [stderr]     Checking q-078 v0.1.0 (/opt/rustwide/workdir/q-078)
[INFO] [stderr]     Checking q-016 v0.1.0 (/opt/rustwide/workdir/q-016)
[INFO] [stderr]     Checking q-022 v0.1.0 (/opt/rustwide/workdir/q-022)
[INFO] [stderr]     Checking q-024 v0.1.0 (/opt/rustwide/workdir/q-024)
[INFO] [stderr]     Checking q-002 v0.1.0 (/opt/rustwide/workdir/q-002)
[INFO] [stderr]     Checking q-010 v0.1.0 (/opt/rustwide/workdir/q-010)
[INFO] [stderr]     Checking q-014 v0.1.0 (/opt/rustwide/workdir/q-014)
[INFO] [stderr]     Checking q-020 v0.1.0 (/opt/rustwide/workdir/q-020)
[INFO] [stderr]     Checking q-007 v0.1.0 (/opt/rustwide/workdir/q-007)
[INFO] [stderr]     Checking q-067 v0.1.0 (/opt/rustwide/workdir/q-067)
[INFO] [stderr]     Checking q-061 v0.1.0 (/opt/rustwide/workdir/q-061)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.86s
[INFO] running `Command { std: "docker" "inspect" "54d6da7ff60b9b1264e94a8837ec996ab0900b88ebeaa43f97f20740d7f5878d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54d6da7ff60b9b1264e94a8837ec996ab0900b88ebeaa43f97f20740d7f5878d", kill_on_drop: false }`
[INFO] [stdout] 54d6da7ff60b9b1264e94a8837ec996ab0900b88ebeaa43f97f20740d7f5878d
[INFO] checking gushernobindsme/rust-typical90 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgushernobindsme%2Frust-typical90" "/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/gushernobindsme/rust-typical90 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-3-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/gushernobindsme/rust-typical90
[INFO] finished tweaking git repo https://github.com/gushernobindsme/rust-typical90
[INFO] tweaked toml for git repo https://github.com/gushernobindsme/rust-typical90 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/gushernobindsme/rust-typical90 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-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] 7fd4c190473e72815884270cec624148dbfe8d07237dc00df822e4cb8d9a3aeb
[INFO] running `Command { std: "docker" "start" "-a" "7fd4c190473e72815884270cec624148dbfe8d07237dc00df822e4cb8d9a3aeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fd4c190473e72815884270cec624148dbfe8d07237dc00df822e4cb8d9a3aeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fd4c190473e72815884270cec624148dbfe8d07237dc00df822e4cb8d9a3aeb", kill_on_drop: false }`
[INFO] [stdout] 7fd4c190473e72815884270cec624148dbfe8d07237dc00df822e4cb8d9a3aeb
[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] ef4661efcf61db96d80b9c7a84eb1190897e01f13a8068c6cdeb81dbb155abe1
[INFO] running `Command { std: "docker" "start" "-a" "ef4661efcf61db96d80b9c7a84eb1190897e01f13a8068c6cdeb81dbb155abe1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking cli_test_dir v0.1.7
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking superslice v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking petgraph v0.5.0
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling proconio-derive v0.1.9
[INFO] [stderr]     Checking proconio v0.3.6
[INFO] [stderr]     Checking q-016 v0.1.0 (/opt/rustwide/workdir/q-016)
[INFO] [stderr]     Checking q-010 v0.1.0 (/opt/rustwide/workdir/q-010)
[INFO] [stderr]     Checking q-033 v0.1.0 (/opt/rustwide/workdir/q-033)
[INFO] [stderr]     Checking q-067 v0.1.0 (/opt/rustwide/workdir/q-067)
[INFO] [stderr]     Checking q-022 v0.1.0 (/opt/rustwide/workdir/q-022)
[INFO] [stderr]     Checking q-055 v0.1.0 (/opt/rustwide/workdir/q-055)
[INFO] [stderr]     Checking q-027 v0.1.0 (/opt/rustwide/workdir/q-027)
[INFO] [stderr]     Checking q-061 v0.1.0 (/opt/rustwide/workdir/q-061)
[INFO] [stderr]     Checking q-002 v0.1.0 (/opt/rustwide/workdir/q-002)
[INFO] [stderr]     Checking q-020 v0.1.0 (/opt/rustwide/workdir/q-020)
[INFO] [stderr]     Checking q-024 v0.1.0 (/opt/rustwide/workdir/q-024)
[INFO] [stderr]     Checking q-014 v0.1.0 (/opt/rustwide/workdir/q-014)
[INFO] [stderr]     Checking q-078 v0.1.0 (/opt/rustwide/workdir/q-078)
[INFO] [stderr]     Checking q-004 v0.1.0 (/opt/rustwide/workdir/q-004)
[INFO] [stderr]     Checking q-007 v0.1.0 (/opt/rustwide/workdir/q-007)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.26s
[INFO] running `Command { std: "docker" "inspect" "ef4661efcf61db96d80b9c7a84eb1190897e01f13a8068c6cdeb81dbb155abe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef4661efcf61db96d80b9c7a84eb1190897e01f13a8068c6cdeb81dbb155abe1", kill_on_drop: false }`
[INFO] [stdout] ef4661efcf61db96d80b9c7a84eb1190897e01f13a8068c6cdeb81dbb155abe1