[INFO] fetching crate clc 0.1.4... [INFO] checking clc-0.1.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate clc 0.1.4 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate clc 0.1.4 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 clc 0.1.4 [INFO] finished tweaking crates.io crate clc 0.1.4 [INFO] tweaked toml for crates.io crate clc 0.1.4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate crates.io crate clc 0.1.4 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] Downloading crates ... [INFO] [stderr] Downloaded nu-ansi-term v0.45.1 [INFO] [stderr] Downloaded rustversion v1.0.6 [INFO] [stderr] Downloaded reedline v0.3.0 [INFO] [stderr] Downloaded strum v0.24.0 [INFO] [stderr] Downloaded assert_cmd v2.0.4 [INFO] [stderr] Downloaded fd-lock v3.0.5 [INFO] [stderr] Downloaded heck v0.4.0 [INFO] [stderr] Downloaded difflib v0.4.0 [INFO] [stderr] Downloaded signal-hook v0.3.13 [INFO] [stderr] Downloaded predicates v2.1.1 [INFO] [stderr] Downloaded nom v7.1.1 [INFO] [stderr] Downloaded clap v3.1.6 [INFO] [stderr] Downloaded rustix v0.34.1 [INFO] [stderr] Downloaded windows_aarch64_msvc v0.34.0 [INFO] [stderr] Downloaded windows_i686_gnu v0.34.0 [INFO] [stderr] Downloaded crossterm v0.23.1 [INFO] [stderr] Downloaded windows_x86_64_gnu v0.34.0 [INFO] [stderr] Downloaded windows_i686_msvc v0.34.0 [INFO] [stderr] Downloaded windows_x86_64_msvc v0.34.0 [INFO] [stderr] Downloaded libc v0.2.121 [INFO] [stderr] Downloaded linux-raw-sys v0.0.42 [INFO] [stderr] Downloaded windows_aarch64_msvc v0.30.0 [INFO] [stderr] Downloaded windows_i686_gnu v0.30.0 [INFO] [stderr] Downloaded windows_i686_msvc v0.30.0 [INFO] [stderr] Downloaded windows_x86_64_gnu v0.30.0 [INFO] [stderr] Downloaded windows_x86_64_msvc v0.30.0 [INFO] [stderr] Downloaded syn v1.0.90 [INFO] [stderr] Downloaded clap_derive v3.1.4 [INFO] [stderr] Downloaded windows-sys v0.34.0 [INFO] [stderr] Downloaded windows-sys v0.30.0 [INFO] [stderr] Downloaded clc-engine v0.1.4 [INFO] [stderr] Downloaded crossterm_winapi v0.9.0 [INFO] [stderr] Downloaded lock_api v0.4.7 [INFO] [stderr] Downloaded parking_lot_core v0.9.2 [INFO] [stderr] Downloaded log v0.4.16 [INFO] [stderr] Downloaded errno v0.2.8 [INFO] [stderr] Downloaded io-lifetimes v0.6.1 [INFO] [stderr] Downloaded quote v1.0.17 [INFO] [stderr] Downloaded strum_macros v0.24.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 4dc5a0677f2a8cc4685f73bcdbb53fd3344361a513f7b775a090df52c92af1a7 [INFO] running `Command { std: "docker" "start" "-a" "4dc5a0677f2a8cc4685f73bcdbb53fd3344361a513f7b775a090df52c92af1a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4dc5a0677f2a8cc4685f73bcdbb53fd3344361a513f7b775a090df52c92af1a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4dc5a0677f2a8cc4685f73bcdbb53fd3344361a513f7b775a090df52c92af1a7", kill_on_drop: false }` [INFO] [stdout] 4dc5a0677f2a8cc4685f73bcdbb53fd3344361a513f7b775a090df52c92af1a7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 31bee34ea81e09a2fd64acbdfe093e8224dfd09f833099ab08300df74d7f8fac [INFO] running `Command { std: "docker" "start" "-a" "31bee34ea81e09a2fd64acbdfe093e8224dfd09f833099ab08300df74d7f8fac", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.121 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.90 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling log v0.4.16 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling io-lifetimes v0.6.1 [INFO] [stderr] Compiling signal-hook v0.3.13 [INFO] [stderr] Compiling parking_lot_core v0.9.2 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Compiling rustversion v1.0.6 [INFO] [stderr] Compiling rustix v0.34.1 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Checking linux-raw-sys v0.0.42 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Checking utf8parse v0.2.0 [INFO] [stderr] Checking overload v0.1.1 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking minimal-lexical v0.2.1 [INFO] [stderr] Checking nu-ansi-term v0.45.1 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling indexmap v1.8.1 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Checking unicode-segmentation v1.9.0 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking strum v0.24.0 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking predicates-core v1.0.3 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking difflib v0.4.0 [INFO] [stderr] Checking termtree v0.2.4 [INFO] [stderr] Checking nom v7.1.1 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Compiling quote v1.0.17 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking terminal_size v0.1.17 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking parking_lot v0.12.0 [INFO] [stderr] Checking predicates-tree v1.0.5 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling vte_generate_state_changes v0.1.1 [INFO] [stderr] Checking signal-hook-mio v0.2.3 [INFO] [stderr] Checking vte v0.10.1 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking predicates v2.1.1 [INFO] [stderr] Checking clc-engine v0.1.4 [INFO] [stderr] Checking fd-lock v3.0.5 [INFO] [stderr] Checking assert_cmd v2.0.4 [INFO] [stderr] Checking strip-ansi-escapes v0.1.1 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling strum_macros v0.24.0 [INFO] [stderr] Compiling clap_derive v3.1.4 [INFO] [stderr] Checking clap v3.1.6 [INFO] [stderr] Checking crossterm v0.23.1 [INFO] [stderr] Checking reedline v0.3.0 [INFO] [stderr] Checking clc v0.1.4 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.52s [INFO] running `Command { std: "docker" "inspect" "31bee34ea81e09a2fd64acbdfe093e8224dfd09f833099ab08300df74d7f8fac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31bee34ea81e09a2fd64acbdfe093e8224dfd09f833099ab08300df74d7f8fac", kill_on_drop: false }` [INFO] [stdout] 31bee34ea81e09a2fd64acbdfe093e8224dfd09f833099ab08300df74d7f8fac [INFO] checking clc-0.1.4 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate clc 0.1.4 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate clc 0.1.4 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 clc 0.1.4 [INFO] finished tweaking crates.io crate clc 0.1.4 [INFO] tweaked toml for crates.io crate clc 0.1.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate crates.io crate clc 0.1.4 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b55c2051841e99744b08d4a4d8d774218425b9a2cfe1c21f5a14e99c670fbd09 [INFO] running `Command { std: "docker" "start" "-a" "b55c2051841e99744b08d4a4d8d774218425b9a2cfe1c21f5a14e99c670fbd09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b55c2051841e99744b08d4a4d8d774218425b9a2cfe1c21f5a14e99c670fbd09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b55c2051841e99744b08d4a4d8d774218425b9a2cfe1c21f5a14e99c670fbd09", kill_on_drop: false }` [INFO] [stdout] b55c2051841e99744b08d4a4d8d774218425b9a2cfe1c21f5a14e99c670fbd09 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c87f2490b20d56bf636776891f4f7744b8f9e9e2dee353cefd2f476a7f9bf5c5 [INFO] running `Command { std: "docker" "start" "-a" "c87f2490b20d56bf636776891f4f7744b8f9e9e2dee353cefd2f476a7f9bf5c5", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.121 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.90 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling log v0.4.16 [INFO] [stderr] Compiling parking_lot_core v0.9.2 [INFO] [stderr] Compiling signal-hook v0.3.13 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling io-lifetimes v0.6.1 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Compiling rustix v0.34.1 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Compiling rustversion v1.0.6 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Checking utf8parse v0.2.0 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Checking linux-raw-sys v0.0.42 [INFO] [stderr] Checking minimal-lexical v0.2.1 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking overload v0.1.1 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking nu-ansi-term v0.45.1 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Checking unicode-segmentation v1.9.0 [INFO] [stderr] Checking predicates-core v1.0.3 [INFO] [stderr] Checking strum v0.24.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling indexmap v1.8.1 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking termtree v0.2.4 [INFO] [stderr] Checking difflib v0.4.0 [INFO] [stderr] Checking predicates-tree v1.0.5 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Checking nom v7.1.1 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Compiling quote v1.0.17 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking terminal_size v0.1.17 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking parking_lot v0.12.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling vte_generate_state_changes v0.1.1 [INFO] [stderr] Checking signal-hook-mio v0.2.3 [INFO] [stderr] Checking vte v0.10.1 [INFO] [stderr] Checking predicates v2.1.1 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking assert_cmd v2.0.4 [INFO] [stderr] Checking clc-engine v0.1.4 [INFO] [stderr] Checking strip-ansi-escapes v0.1.1 [INFO] [stderr] Checking fd-lock v3.0.5 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling clap_derive v3.1.4 [INFO] [stderr] Compiling strum_macros v0.24.0 [INFO] [stderr] Checking clap v3.1.6 [INFO] [stderr] Checking crossterm v0.23.1 [INFO] [stderr] Checking reedline v0.3.0 [INFO] [stderr] Checking clc v0.1.4 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.76s [INFO] running `Command { std: "docker" "inspect" "c87f2490b20d56bf636776891f4f7744b8f9e9e2dee353cefd2f476a7f9bf5c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c87f2490b20d56bf636776891f4f7744b8f9e9e2dee353cefd2f476a7f9bf5c5", kill_on_drop: false }` [INFO] [stdout] c87f2490b20d56bf636776891f4f7744b8f9e9e2dee353cefd2f476a7f9bf5c5