[INFO] fetching crate meow 0.2.2... [INFO] checking meow-0.2.2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate meow 0.2.2 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate meow 0.2.2 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 crates.io crate meow 0.2.2 [INFO] finished tweaking crates.io crate meow 0.2.2 [INFO] tweaked toml for crates.io crate meow 0.2.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate meow 0.2.2 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libc v0.2.79 [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] f54f9d58f2db81483ce4d06d43366eb406612eb77a5edddd0b8017c8bc9c6cf3 [INFO] running `Command { std: "docker" "start" "-a" "f54f9d58f2db81483ce4d06d43366eb406612eb77a5edddd0b8017c8bc9c6cf3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f54f9d58f2db81483ce4d06d43366eb406612eb77a5edddd0b8017c8bc9c6cf3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f54f9d58f2db81483ce4d06d43366eb406612eb77a5edddd0b8017c8bc9c6cf3", kill_on_drop: false }` [INFO] [stdout] f54f9d58f2db81483ce4d06d43366eb406612eb77a5edddd0b8017c8bc9c6cf3 [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] 1e39c74e19c6edd101ffaa5484b1f24736ec32674eecf56bb9a9ce9a84c3185e [INFO] running `Command { std: "docker" "start" "-a" "1e39c74e19c6edd101ffaa5484b1f24736ec32674eecf56bb9a9ce9a84c3185e", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking simplelog v0.8.0 [INFO] [stderr] Checking meow v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `debug`, `error`, `info`, `warn` [INFO] [stdout] --> src/main.rs:19:11 [INFO] [stdout] | [INFO] [stdout] 19 | use log::{error, warn, info, debug, trace}; [INFO] [stdout] | ^^^^^ ^^^^ ^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `debug`, `error`, `info`, `warn` [INFO] [stdout] --> src/main.rs:19:11 [INFO] [stdout] | [INFO] [stdout] 19 | use log::{error, warn, info, debug, trace}; [INFO] [stdout] | ^^^^^ ^^^^ ^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `M` should have a snake case name [INFO] [stdout] --> src/main.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | let M = dnachars.next().unwrap(); [INFO] [stdout] | ^ help: convert the identifier to snake case: `m` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `E` should have a snake case name [INFO] [stdout] --> src/main.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | let E = dnachars.next().unwrap(); [INFO] [stdout] | ^ help: convert the identifier to snake case: `e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `M` should have a snake case name [INFO] [stdout] --> src/main.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | let M = dnachars.next().unwrap(); [INFO] [stdout] | ^ help: convert the identifier to snake case: `m` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `O` should have a snake case name [INFO] [stdout] --> src/main.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 42 | let O = dnachars.next().unwrap(); [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `o` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `E` should have a snake case name [INFO] [stdout] --> src/main.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | let E = dnachars.next().unwrap(); [INFO] [stdout] | ^ help: convert the identifier to snake case: `e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `W` should have a snake case name [INFO] [stdout] --> src/main.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | let W = dnachars.next().unwrap(); [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `w` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `O` should have a snake case name [INFO] [stdout] --> src/main.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 42 | let O = dnachars.next().unwrap(); [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `o` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `W` should have a snake case name [INFO] [stdout] --> src/main.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | let W = dnachars.next().unwrap(); [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `w` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.98s [INFO] running `Command { std: "docker" "inspect" "1e39c74e19c6edd101ffaa5484b1f24736ec32674eecf56bb9a9ce9a84c3185e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e39c74e19c6edd101ffaa5484b1f24736ec32674eecf56bb9a9ce9a84c3185e", kill_on_drop: false }` [INFO] [stdout] 1e39c74e19c6edd101ffaa5484b1f24736ec32674eecf56bb9a9ce9a84c3185e [INFO] checking meow-0.2.2 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate meow 0.2.2 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate meow 0.2.2 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 crates.io crate meow 0.2.2 [INFO] finished tweaking crates.io crate meow 0.2.2 [INFO] tweaked toml for crates.io crate meow 0.2.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate meow 0.2.2 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" "+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] 8203d28822e0b16ff017f6f8ccf4915721ecc1c2a075e222f3c4e0c3c762acb6 [INFO] running `Command { std: "docker" "start" "-a" "8203d28822e0b16ff017f6f8ccf4915721ecc1c2a075e222f3c4e0c3c762acb6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8203d28822e0b16ff017f6f8ccf4915721ecc1c2a075e222f3c4e0c3c762acb6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8203d28822e0b16ff017f6f8ccf4915721ecc1c2a075e222f3c4e0c3c762acb6", kill_on_drop: false }` [INFO] [stdout] 8203d28822e0b16ff017f6f8ccf4915721ecc1c2a075e222f3c4e0c3c762acb6 [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] eacaf7e24857a6b8ac9e08d2bcc9e92086086d8a8c80d8f2d1a2a13af20e0e6c [INFO] running `Command { std: "docker" "start" "-a" "eacaf7e24857a6b8ac9e08d2bcc9e92086086d8a8c80d8f2d1a2a13af20e0e6c", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/chrono-0.4.19/src/format/parse.rs:491:21 [INFO] [stdout] | [INFO] [stdout] 491 | 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] 491 | 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] running `Command { std: "docker" "inspect" "eacaf7e24857a6b8ac9e08d2bcc9e92086086d8a8c80d8f2d1a2a13af20e0e6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eacaf7e24857a6b8ac9e08d2bcc9e92086086d8a8c80d8f2d1a2a13af20e0e6c", kill_on_drop: false }` [INFO] [stdout] eacaf7e24857a6b8ac9e08d2bcc9e92086086d8a8c80d8f2d1a2a13af20e0e6c