[INFO] fetching crate dxclparser 1.0.1...
[INFO] checking dxclparser-1.0.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate dxclparser 1.0.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate dxclparser 1.0.1 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] started tweaking crates.io crate dxclparser 1.0.1
[INFO] finished tweaking crates.io crate dxclparser 1.0.1
[INFO] tweaked toml for crates.io crate dxclparser 1.0.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate dxclparser 1.0.1 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror v1.0.34
[INFO] [stderr]   Downloaded thiserror-impl v1.0.34
[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] ac6f0282f893bdc4b7e5c9f5bb7f4e0a57e7b6d4f50fb21c61946db7975dabe2
[INFO] running `Command { std: "docker" "start" "-a" "ac6f0282f893bdc4b7e5c9f5bb7f4e0a57e7b6d4f50fb21c61946db7975dabe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac6f0282f893bdc4b7e5c9f5bb7f4e0a57e7b6d4f50fb21c61946db7975dabe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac6f0282f893bdc4b7e5c9f5bb7f4e0a57e7b6d4f50fb21c61946db7975dabe2", kill_on_drop: false }`
[INFO] [stdout] ac6f0282f893bdc4b7e5c9f5bb7f4e0a57e7b6d4f50fb21c61946db7975dabe2
[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] cfc54042fa2255c8f2c0cc17746464a60e6779620abd478cf1d745ebf96b8649
[INFO] running `Command { std: "docker" "start" "-a" "cfc54042fa2255c8f2c0cc17746464a60e6779620abd478cf1d745ebf96b8649", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.34
[INFO] [stderr]     Checking thiserror v1.0.34
[INFO] [stderr]     Checking dxclparser v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.55s
[INFO] running `Command { std: "docker" "inspect" "cfc54042fa2255c8f2c0cc17746464a60e6779620abd478cf1d745ebf96b8649", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfc54042fa2255c8f2c0cc17746464a60e6779620abd478cf1d745ebf96b8649", kill_on_drop: false }`
[INFO] [stdout] cfc54042fa2255c8f2c0cc17746464a60e6779620abd478cf1d745ebf96b8649
[INFO] checking dxclparser-1.0.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate dxclparser 1.0.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate dxclparser 1.0.1 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] started tweaking crates.io crate dxclparser 1.0.1
[INFO] finished tweaking crates.io crate dxclparser 1.0.1
[INFO] tweaked toml for crates.io crate dxclparser 1.0.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate dxclparser 1.0.1 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] 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] ab7607d1919d935299a6b573a53645a21c79bb6c2556d111d5446b1e3f1e696b
[INFO] running `Command { std: "docker" "start" "-a" "ab7607d1919d935299a6b573a53645a21c79bb6c2556d111d5446b1e3f1e696b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab7607d1919d935299a6b573a53645a21c79bb6c2556d111d5446b1e3f1e696b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab7607d1919d935299a6b573a53645a21c79bb6c2556d111d5446b1e3f1e696b", kill_on_drop: false }`
[INFO] [stdout] ab7607d1919d935299a6b573a53645a21c79bb6c2556d111d5446b1e3f1e696b
[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] c63211867b3e5859f49a591d8e842610a01663aad4423d72c693b9b1e2201d86
[INFO] running `Command { std: "docker" "start" "-a" "c63211867b3e5859f49a591d8e842610a01663aad4423d72c693b9b1e2201d86", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.34
[INFO] [stderr]     Checking thiserror v1.0.34
[INFO] [stderr]     Checking dxclparser v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.01s
[INFO] running `Command { std: "docker" "inspect" "c63211867b3e5859f49a591d8e842610a01663aad4423d72c693b9b1e2201d86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c63211867b3e5859f49a591d8e842610a01663aad4423d72c693b9b1e2201d86", kill_on_drop: false }`
[INFO] [stdout] c63211867b3e5859f49a591d8e842610a01663aad4423d72c693b9b1e2201d86