[INFO] fetching crate keyword-parser 0.0.3...
[INFO] checking keyword-parser-0.0.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate keyword-parser 0.0.3 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate keyword-parser 0.0.3 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 keyword-parser 0.0.3
[INFO] finished tweaking crates.io crate keyword-parser 0.0.3
[INFO] tweaked toml for crates.io crate keyword-parser 0.0.3 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[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 transition-table v0.0.3
[INFO] [stderr]   Downloaded disuse v0.0.2
[INFO] [stderr]   Downloaded const-array-attrs v0.0.3
[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] 064fd5adbd0f604b5faa4ffb108a10486bf132f74ba31d8260d7d8167a28e0e7
[INFO] running `Command { std: "docker" "start" "-a" "064fd5adbd0f604b5faa4ffb108a10486bf132f74ba31d8260d7d8167a28e0e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "064fd5adbd0f604b5faa4ffb108a10486bf132f74ba31d8260d7d8167a28e0e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "064fd5adbd0f604b5faa4ffb108a10486bf132f74ba31d8260d7d8167a28e0e7", kill_on_drop: false }`
[INFO] [stdout] 064fd5adbd0f604b5faa4ffb108a10486bf132f74ba31d8260d7d8167a28e0e7
[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] d8a798684a7f681d462141365b259b5968358e0e2f775448b086e23abbf4217d
[INFO] running `Command { std: "docker" "start" "-a" "d8a798684a7f681d462141365b259b5968358e0e2f775448b086e23abbf4217d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking combine v4.6.6
[INFO] [stderr]    Compiling disuse v0.0.2
[INFO] [stderr]     Checking transition-table v0.0.3
[INFO] [stderr]    Compiling const-array-attrs v0.0.3
[INFO] [stderr]     Checking keyword-parser v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.92s
[INFO] running `Command { std: "docker" "inspect" "d8a798684a7f681d462141365b259b5968358e0e2f775448b086e23abbf4217d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8a798684a7f681d462141365b259b5968358e0e2f775448b086e23abbf4217d", kill_on_drop: false }`
[INFO] [stdout] d8a798684a7f681d462141365b259b5968358e0e2f775448b086e23abbf4217d
[INFO] checking keyword-parser-0.0.3 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate keyword-parser 0.0.3 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate keyword-parser 0.0.3 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 keyword-parser 0.0.3
[INFO] finished tweaking crates.io crate keyword-parser 0.0.3
[INFO] tweaked toml for crates.io crate keyword-parser 0.0.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[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-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] cc685967aa1d1c7deda57897731ede6361323914745e4b41407bb70afb5e61ef
[INFO] running `Command { std: "docker" "start" "-a" "cc685967aa1d1c7deda57897731ede6361323914745e4b41407bb70afb5e61ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc685967aa1d1c7deda57897731ede6361323914745e4b41407bb70afb5e61ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc685967aa1d1c7deda57897731ede6361323914745e4b41407bb70afb5e61ef", kill_on_drop: false }`
[INFO] [stdout] cc685967aa1d1c7deda57897731ede6361323914745e4b41407bb70afb5e61ef
[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] a386427df9ff9ef79ef029d584dcb573b7b102b9f61391be7498c8536b5dd233
[INFO] running `Command { std: "docker" "start" "-a" "a386427df9ff9ef79ef029d584dcb573b7b102b9f61391be7498c8536b5dd233", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling transition-table v0.0.3
[INFO] [stderr]    Compiling disuse v0.0.2
[INFO] [stderr]     Checking combine v4.6.6
[INFO] [stderr]    Compiling const-array-attrs v0.0.3
[INFO] [stderr]     Checking keyword-parser v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.59s
[INFO] running `Command { std: "docker" "inspect" "a386427df9ff9ef79ef029d584dcb573b7b102b9f61391be7498c8536b5dd233", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a386427df9ff9ef79ef029d584dcb573b7b102b9f61391be7498c8536b5dd233", kill_on_drop: false }`
[INFO] [stdout] a386427df9ff9ef79ef029d584dcb573b7b102b9f61391be7498c8536b5dd233