[INFO] fetching crate lazer 0.3.1... [INFO] checking lazer-0.3.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate lazer 0.3.1 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate lazer 0.3.1 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 lazer 0.3.1 [INFO] finished tweaking crates.io crate lazer 0.3.1 [INFO] tweaked toml for crates.io crate lazer 0.3.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate lazer 0.3.1 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] [stderr] Blocking waiting for file lock on package cache [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] 3263cb3e80f0c1925c6e84ab4ad621cc73a62783cb2b92316131980a770d08df [INFO] running `Command { std: "docker" "start" "-a" "3263cb3e80f0c1925c6e84ab4ad621cc73a62783cb2b92316131980a770d08df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3263cb3e80f0c1925c6e84ab4ad621cc73a62783cb2b92316131980a770d08df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3263cb3e80f0c1925c6e84ab4ad621cc73a62783cb2b92316131980a770d08df", kill_on_drop: false }` [INFO] [stdout] 3263cb3e80f0c1925c6e84ab4ad621cc73a62783cb2b92316131980a770d08df [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] 36b7a2a4345da916d12fdc9fcef99377bc5a53dd22f5191e90d22bcbaf3b973a [INFO] running `Command { std: "docker" "start" "-a" "36b7a2a4345da916d12fdc9fcef99377bc5a53dd22f5191e90d22bcbaf3b973a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Compiling lazer v0.3.1 (/opt/rustwide/workdir) [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stdout] warning: the item `chrono` is imported redundantly [INFO] [stdout] --> src/lazer.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use chrono; [INFO] [stdout] | ^^^^^^ the item `chrono` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `chrono` is imported redundantly [INFO] [stdout] --> src/lazer.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use chrono; [INFO] [stdout] | ^^^^^^ the item `chrono` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/lib.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning 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 1.05s [INFO] running `Command { std: "docker" "inspect" "36b7a2a4345da916d12fdc9fcef99377bc5a53dd22f5191e90d22bcbaf3b973a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "36b7a2a4345da916d12fdc9fcef99377bc5a53dd22f5191e90d22bcbaf3b973a", kill_on_drop: false }` [INFO] [stdout] 36b7a2a4345da916d12fdc9fcef99377bc5a53dd22f5191e90d22bcbaf3b973a [INFO] checking lazer-0.3.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate lazer 0.3.1 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate lazer 0.3.1 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 lazer 0.3.1 [INFO] finished tweaking crates.io crate lazer 0.3.1 [INFO] tweaked toml for crates.io crate lazer 0.3.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate lazer 0.3.1 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-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] 012c2ecbe3444b6e982cd34fc6da2c2fc88cf077c30be5b410ca0e21bffdaf81 [INFO] running `Command { std: "docker" "start" "-a" "012c2ecbe3444b6e982cd34fc6da2c2fc88cf077c30be5b410ca0e21bffdaf81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "012c2ecbe3444b6e982cd34fc6da2c2fc88cf077c30be5b410ca0e21bffdaf81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "012c2ecbe3444b6e982cd34fc6da2c2fc88cf077c30be5b410ca0e21bffdaf81", kill_on_drop: false }` [INFO] [stdout] 012c2ecbe3444b6e982cd34fc6da2c2fc88cf077c30be5b410ca0e21bffdaf81 [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] 8034b404389ac40b27965f4b3bff4bea3a72ce47cd0189c97db3556f5d9f3626 [INFO] running `Command { std: "docker" "start" "-a" "8034b404389ac40b27965f4b3bff4bea3a72ce47cd0189c97db3556f5d9f3626", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling lazer v0.3.1 (/opt/rustwide/workdir) [INFO] [stderr] Checking time v0.1.44 [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] running `Command { std: "docker" "inspect" "8034b404389ac40b27965f4b3bff4bea3a72ce47cd0189c97db3556f5d9f3626", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8034b404389ac40b27965f4b3bff4bea3a72ce47cd0189c97db3556f5d9f3626", kill_on_drop: false }` [INFO] [stdout] 8034b404389ac40b27965f4b3bff4bea3a72ce47cd0189c97db3556f5d9f3626