[INFO] fetching crate poly_logger 0.1.1... [INFO] checking poly_logger-0.1.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate poly_logger 0.1.1 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate poly_logger 0.1.1 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 poly_logger 0.1.1 [INFO] finished tweaking crates.io crate poly_logger 0.1.1 [INFO] tweaked toml for crates.io crate poly_logger 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate crates.io crate poly_logger 0.1.1 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6ea81c0eefd08d6bcd76800227ca03f7340f0af29f8b821fb6dffb2085005d47 [INFO] running `Command { std: "docker" "start" "-a" "6ea81c0eefd08d6bcd76800227ca03f7340f0af29f8b821fb6dffb2085005d47", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6ea81c0eefd08d6bcd76800227ca03f7340f0af29f8b821fb6dffb2085005d47", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ea81c0eefd08d6bcd76800227ca03f7340f0af29f8b821fb6dffb2085005d47", kill_on_drop: false }` [INFO] [stdout] 6ea81c0eefd08d6bcd76800227ca03f7340f0af29f8b821fb6dffb2085005d47 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 4c49c026895cd5afd7d7313cbee025b8ad4e8a6470b8bdc57b0ae09966802c8c [INFO] running `Command { std: "docker" "start" "-a" "4c49c026895cd5afd7d7313cbee025b8ad4e8a6470b8bdc57b0ae09966802c8c", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking strfmt v0.1.6 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking chrono v0.4.15 [INFO] [stderr] Checking poly_logger v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/log_formatter.rs:22:52 [INFO] [stdout] | [INFO] [stdout] 22 | timestamp_format: self.timestamp_format.clone(), [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/log_formatter.rs:23:40 [INFO] [stdout] | [INFO] [stdout] 23 | msg_format: self.msg_format.clone(), [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/log_formatter.rs:22:52 [INFO] [stdout] | [INFO] [stdout] 22 | timestamp_format: self.timestamp_format.clone(), [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/log_formatter.rs:23:40 [INFO] [stdout] | [INFO] [stdout] 23 | msg_format: self.msg_format.clone(), [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.26s [INFO] running `Command { std: "docker" "inspect" "4c49c026895cd5afd7d7313cbee025b8ad4e8a6470b8bdc57b0ae09966802c8c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c49c026895cd5afd7d7313cbee025b8ad4e8a6470b8bdc57b0ae09966802c8c", kill_on_drop: false }` [INFO] [stdout] 4c49c026895cd5afd7d7313cbee025b8ad4e8a6470b8bdc57b0ae09966802c8c [INFO] checking poly_logger-0.1.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate poly_logger 0.1.1 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate poly_logger 0.1.1 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 poly_logger 0.1.1 [INFO] finished tweaking crates.io crate poly_logger 0.1.1 [INFO] tweaked toml for crates.io crate poly_logger 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate poly_logger 0.1.1 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 437d92debe94a926b5d683d995daf09c848e4fd33b054c35afeefb4b6d0865c2 [INFO] running `Command { std: "docker" "start" "-a" "437d92debe94a926b5d683d995daf09c848e4fd33b054c35afeefb4b6d0865c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "437d92debe94a926b5d683d995daf09c848e4fd33b054c35afeefb4b6d0865c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "437d92debe94a926b5d683d995daf09c848e4fd33b054c35afeefb4b6d0865c2", kill_on_drop: false }` [INFO] [stdout] 437d92debe94a926b5d683d995daf09c848e4fd33b054c35afeefb4b6d0865c2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5792480cba0bf72845c96a84b2c050a2ee57783926a71fc33c4472f0e26a6024 [INFO] running `Command { std: "docker" "start" "-a" "5792480cba0bf72845c96a84b2c050a2ee57783926a71fc33c4472f0e26a6024", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking strfmt v0.1.6 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking chrono v0.4.15 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/chrono-0.4.15/src/format/parse.rs:489:21 [INFO] [stdout] | [INFO] [stdout] 489 | 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] 489 | 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] running `Command { std: "docker" "inspect" "5792480cba0bf72845c96a84b2c050a2ee57783926a71fc33c4472f0e26a6024", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5792480cba0bf72845c96a84b2c050a2ee57783926a71fc33c4472f0e26a6024", kill_on_drop: false }` [INFO] [stdout] 5792480cba0bf72845c96a84b2c050a2ee57783926a71fc33c4472f0e26a6024