[INFO] cloning repository https://github.com/caspark/character-frequency-analyser [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/caspark/character-frequency-analyser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaspark%2Fcharacter-frequency-analyser", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaspark%2Fcharacter-frequency-analyser'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8b0450f8b9377ce3068107bfc697614156491173 [INFO] checking caspark/character-frequency-analyser against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaspark%2Fcharacter-frequency-analyser" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/caspark/character-frequency-analyser on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/caspark/character-frequency-analyser [INFO] finished tweaking git repo https://github.com/caspark/character-frequency-analyser [INFO] tweaked toml for git repo https://github.com/caspark/character-frequency-analyser written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/caspark/character-frequency-analyser 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded embed-resource v1.3.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d38ab286cdbec02d51df2bcbec784bc3992968553e11eee84d048bf40b5e1149 [INFO] running `Command { std: "docker" "start" "-a" "d38ab286cdbec02d51df2bcbec784bc3992968553e11eee84d048bf40b5e1149", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d38ab286cdbec02d51df2bcbec784bc3992968553e11eee84d048bf40b5e1149", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d38ab286cdbec02d51df2bcbec784bc3992968553e11eee84d048bf40b5e1149", kill_on_drop: false }` [INFO] [stdout] d38ab286cdbec02d51df2bcbec784bc3992968553e11eee84d048bf40b5e1149 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 93cc81dbb80748cfd6944275f76fe6f3bcdd354d53bf6d74be1eb8e6eb536a45 [INFO] running `Command { std: "docker" "start" "-a" "93cc81dbb80748cfd6944275f76fe6f3bcdd354d53bf6d74be1eb8e6eb536a45", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling libc v0.2.70 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Compiling embed-resource v1.3.3 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Compiling char-freq v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `embed_resource` is imported redundantly [INFO] [stdout] --> build.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use embed_resource; [INFO] [stdout] | ^^^^^^^^^^^^^^ the item `embed_resource` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking bstr v0.2.13 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking colored v1.9.3 [INFO] [stderr] Checking fern v0.6.0 [INFO] [stderr] Checking chrono v0.4.11 [INFO] [stderr] Checking regex v1.3.7 [INFO] [stderr] Checking globset v0.4.5 [INFO] [stderr] Checking ignore v0.4.15 [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.95s [INFO] running `Command { std: "docker" "inspect" "93cc81dbb80748cfd6944275f76fe6f3bcdd354d53bf6d74be1eb8e6eb536a45", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "93cc81dbb80748cfd6944275f76fe6f3bcdd354d53bf6d74be1eb8e6eb536a45", kill_on_drop: false }` [INFO] [stdout] 93cc81dbb80748cfd6944275f76fe6f3bcdd354d53bf6d74be1eb8e6eb536a45 [INFO] checking caspark/character-frequency-analyser against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaspark%2Fcharacter-frequency-analyser" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/caspark/character-frequency-analyser on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/caspark/character-frequency-analyser [INFO] finished tweaking git repo https://github.com/caspark/character-frequency-analyser [INFO] tweaked toml for git repo https://github.com/caspark/character-frequency-analyser written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/caspark/character-frequency-analyser 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 45bea80db098089a0e10348258e047e18200df40b10dd856904bcf96ceee941a [INFO] running `Command { std: "docker" "start" "-a" "45bea80db098089a0e10348258e047e18200df40b10dd856904bcf96ceee941a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "45bea80db098089a0e10348258e047e18200df40b10dd856904bcf96ceee941a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "45bea80db098089a0e10348258e047e18200df40b10dd856904bcf96ceee941a", kill_on_drop: false }` [INFO] [stdout] 45bea80db098089a0e10348258e047e18200df40b10dd856904bcf96ceee941a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c63f9d2f1b4d3432a149d224c2382e338095db0e0e09ce15a682555a9283da77 [INFO] running `Command { std: "docker" "start" "-a" "c63f9d2f1b4d3432a149d224c2382e338095db0e0e09ce15a682555a9283da77", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling libc v0.2.70 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Compiling embed-resource v1.3.3 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Compiling char-freq v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `embed_resource` is imported redundantly [INFO] [stdout] --> build.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use embed_resource; [INFO] [stdout] | ^^^^^^^^^^^^^^ the item `embed_resource` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking bstr v0.2.13 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking colored v1.9.3 [INFO] [stderr] Checking fern v0.6.0 [INFO] [stderr] Checking chrono v0.4.11 [INFO] [stderr] Checking regex v1.3.7 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/chrono-0.4.11/src/format/parse.rs:423:21 [INFO] [stdout] | [INFO] [stdout] 423 | Err(INVALID)?; [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 423 | Err::(INVALID)?; [INFO] [stdout] | +++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `chrono` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.3.7/src/exec.rs:836:13 [INFO] [stdout] | [INFO] [stdout] 836 | / match dfa::Fsm::reverse( [INFO] [stdout] 837 | | &self.ro.dfa_reverse, [INFO] [stdout] 838 | | self.cache.value(), [INFO] [stdout] 839 | | false, [INFO] [stdout] ... | [INFO] [stdout] 850 | | Quit => return Some(Quit), [INFO] [stdout] 851 | | }; [INFO] [stdout] | |_____________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `regex` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "c63f9d2f1b4d3432a149d224c2382e338095db0e0e09ce15a682555a9283da77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c63f9d2f1b4d3432a149d224c2382e338095db0e0e09ce15a682555a9283da77", kill_on_drop: false }` [INFO] [stdout] c63f9d2f1b4d3432a149d224c2382e338095db0e0e09ce15a682555a9283da77