[INFO] fetching crate csv_perusal 0.6.2...
[INFO] checking csv_perusal-0.6.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate csv_perusal 0.6.2 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate csv_perusal 0.6.2 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 csv_perusal 0.6.2
[INFO] finished tweaking crates.io crate csv_perusal 0.6.2
[INFO] tweaked toml for crates.io crate csv_perusal 0.6.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate csv_perusal 0.6.2 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 memchr v2.6.3
[INFO] [stderr]   Downloaded csv v1.2.2
[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] 15f68639689ee663e25ce5238f1eb0f85398b57ed7095967e4cfcd68f6de0446
[INFO] running `Command { std: "docker" "start" "-a" "15f68639689ee663e25ce5238f1eb0f85398b57ed7095967e4cfcd68f6de0446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15f68639689ee663e25ce5238f1eb0f85398b57ed7095967e4cfcd68f6de0446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15f68639689ee663e25ce5238f1eb0f85398b57ed7095967e4cfcd68f6de0446", kill_on_drop: false }`
[INFO] [stdout] 15f68639689ee663e25ce5238f1eb0f85398b57ed7095967e4cfcd68f6de0446
[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] 1a3baa001b7739b37e5be33b4ea4b43ef1c96410ba406088ba883ea3133b1bdc
[INFO] running `Command { std: "docker" "start" "-a" "1a3baa001b7739b37e5be33b4ea4b43ef1c96410ba406088ba883ea3133b1bdc", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking aho-corasick v1.1.1
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking regex-automata v0.3.9
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]     Checking regex v1.9.6
[INFO] [stderr]     Checking csv v1.2.2
[INFO] [stderr]     Checking csv_perusal v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.36s
[INFO] running `Command { std: "docker" "inspect" "1a3baa001b7739b37e5be33b4ea4b43ef1c96410ba406088ba883ea3133b1bdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a3baa001b7739b37e5be33b4ea4b43ef1c96410ba406088ba883ea3133b1bdc", kill_on_drop: false }`
[INFO] [stdout] 1a3baa001b7739b37e5be33b4ea4b43ef1c96410ba406088ba883ea3133b1bdc
[INFO] checking csv_perusal-0.6.2 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate csv_perusal 0.6.2 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate csv_perusal 0.6.2 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 csv_perusal 0.6.2
[INFO] finished tweaking crates.io crate csv_perusal 0.6.2
[INFO] tweaked toml for crates.io crate csv_perusal 0.6.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate csv_perusal 0.6.2 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-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] 0d8d388db5699c4eb6c1dd61e68c56009349558ac889e163f63a6645a10530c6
[INFO] running `Command { std: "docker" "start" "-a" "0d8d388db5699c4eb6c1dd61e68c56009349558ac889e163f63a6645a10530c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d8d388db5699c4eb6c1dd61e68c56009349558ac889e163f63a6645a10530c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d8d388db5699c4eb6c1dd61e68c56009349558ac889e163f63a6645a10530c6", kill_on_drop: false }`
[INFO] [stdout] 0d8d388db5699c4eb6c1dd61e68c56009349558ac889e163f63a6645a10530c6
[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] 6f7f75a12e690a38ce44a7e1826bc49fbe44b781296afa00714b950fc9f7a1da
[INFO] running `Command { std: "docker" "start" "-a" "6f7f75a12e690a38ce44a7e1826bc49fbe44b781296afa00714b950fc9f7a1da", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking aho-corasick v1.1.1
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking regex-automata v0.3.9
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]     Checking regex v1.9.6
[INFO] [stderr]     Checking csv v1.2.2
[INFO] [stderr]     Checking csv_perusal v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.93s
[INFO] running `Command { std: "docker" "inspect" "6f7f75a12e690a38ce44a7e1826bc49fbe44b781296afa00714b950fc9f7a1da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f7f75a12e690a38ce44a7e1826bc49fbe44b781296afa00714b950fc9f7a1da", kill_on_drop: false }`
[INFO] [stdout] 6f7f75a12e690a38ce44a7e1826bc49fbe44b781296afa00714b950fc9f7a1da