[INFO] fetching crate unsigned-varint 0.8.0... [INFO] checking unsigned-varint-0.8.0 against master#35936c4839dd272646394779d151e060d0f6b3ac for pr-122960-1 [INFO] extracting crate unsigned-varint 0.8.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate unsigned-varint 0.8.0 on toolchain 35936c4839dd272646394779d151e060d0f6b3ac [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate unsigned-varint 0.8.0 [INFO] finished tweaking crates.io crate unsigned-varint 0.8.0 [INFO] tweaked toml for crates.io crate unsigned-varint 0.8.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate crates.io crate unsigned-varint 0.8.0 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" "+35936c4839dd272646394779d151e060d0f6b3ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded futures-sink v0.3.29 [INFO] [stderr] Downloaded futures-task v0.3.29 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.88 [INFO] [stderr] Downloaded itoa v1.0.9 [INFO] [stderr] Downloaded futures-executor v0.3.29 [INFO] [stderr] Downloaded asynchronous-codec v0.7.0 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.88 [INFO] [stderr] Downloaded js-sys v0.3.65 [INFO] [stderr] Downloaded regex-syntax v0.8.2 [INFO] [stderr] Downloaded bumpalo v3.14.0 [INFO] [stderr] Downloaded web-sys v0.3.65 [INFO] [stderr] Downloaded regex-automata v0.4.3 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.88 [INFO] [stderr] Downloaded wasm-bindgen v0.2.88 [INFO] [stderr] Downloaded rayon-core v1.12.0 [INFO] [stderr] Downloaded rayon v1.8.0 [INFO] [stderr] Downloaded ryu v1.0.15 [INFO] [stderr] Downloaded serde_derive v1.0.190 [INFO] [stderr] Downloaded serde v1.0.190 [INFO] [stderr] Downloaded serde_json v1.0.108 [INFO] [stderr] Downloaded futures-util v0.3.29 [INFO] [stderr] Downloaded aho-corasick v1.1.2 [INFO] [stderr] Downloaded regex v1.10.2 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.88 [INFO] [stderr] Downloaded bytes v1.5.0 [INFO] [stderr] Downloaded walkdir v2.4.0 [INFO] [stderr] Downloaded futures-macro v0.3.29 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f2c15aa5e4a92d1d41cf16d09c7e39f0c4c3b86faef5903a1a5c1b1654621a21 [INFO] running `Command { std: "docker" "start" "-a" "f2c15aa5e4a92d1d41cf16d09c7e39f0c4c3b86faef5903a1a5c1b1654621a21", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f2c15aa5e4a92d1d41cf16d09c7e39f0c4c3b86faef5903a1a5c1b1654621a21", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2c15aa5e4a92d1d41cf16d09c7e39f0c4c3b86faef5903a1a5c1b1654621a21", kill_on_drop: false }` [INFO] [stdout] f2c15aa5e4a92d1d41cf16d09c7e39f0c4c3b86faef5903a1a5c1b1654621a21 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+35936c4839dd272646394779d151e060d0f6b3ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] aa1dc8fac5720b050e976fe020c8acd430df9ea26e977cb6d43df71ea0b314dd [INFO] running `Command { std: "docker" "start" "-a" "aa1dc8fac5720b050e976fe020c8acd430df9ea26e977cb6d43df71ea0b314dd", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.149 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling serde v1.0.190 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 [INFO] [stderr] Checking regex-syntax v0.8.2 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Checking ryu v1.0.15 [INFO] [stderr] Checking either v1.9.0 [INFO] [stderr] Checking itoa v1.0.9 [INFO] [stderr] Compiling futures-core v0.3.29 [INFO] [stderr] Checking aho-corasick v1.1.2 [INFO] [stderr] Compiling futures-task v0.3.29 [INFO] [stderr] Compiling rayon-core v1.12.0 [INFO] [stderr] Compiling serde_json v1.0.108 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling futures-util v0.3.29 [INFO] [stderr] Checking unicode-width v0.1.11 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling syn v2.0.38 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking walkdir v2.4.0 [INFO] [stderr] Checking plotters v0.3.5 [INFO] [stderr] Checking hex v0.4.3 [INFO] [stderr] Checking unsigned-varint v0.8.0 (/opt/rustwide/workdir) [INFO] [stdout] error: the item `core` is imported redundantly [INFO] [stdout] --> src/decode.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 22 | use core::{self, fmt}; [INFO] [stdout] | ^^^^ the item `core` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:24:24 [INFO] [stdout] | [INFO] [stdout] 24 | #![forbid(unsafe_code, unused_imports, unused_variables)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `unsigned-varint` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "aa1dc8fac5720b050e976fe020c8acd430df9ea26e977cb6d43df71ea0b314dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa1dc8fac5720b050e976fe020c8acd430df9ea26e977cb6d43df71ea0b314dd", kill_on_drop: false }` [INFO] [stdout] aa1dc8fac5720b050e976fe020c8acd430df9ea26e977cb6d43df71ea0b314dd [INFO] checking unsigned-varint-0.8.0 against try#9ae1860851f3fbc1435a1698e572252c0076f413 for pr-122960-1 [INFO] extracting crate unsigned-varint 0.8.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate unsigned-varint 0.8.0 on toolchain 9ae1860851f3fbc1435a1698e572252c0076f413 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9ae1860851f3fbc1435a1698e572252c0076f413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate unsigned-varint 0.8.0 [INFO] finished tweaking crates.io crate unsigned-varint 0.8.0 [INFO] tweaked toml for crates.io crate unsigned-varint 0.8.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate unsigned-varint 0.8.0 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" "+9ae1860851f3fbc1435a1698e572252c0076f413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+9ae1860851f3fbc1435a1698e572252c0076f413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dda4e790b5a93ffb1118dc1e2ed957b175173b8b3b1a395d7c25e1eb3c54717c [INFO] running `Command { std: "docker" "start" "-a" "dda4e790b5a93ffb1118dc1e2ed957b175173b8b3b1a395d7c25e1eb3c54717c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dda4e790b5a93ffb1118dc1e2ed957b175173b8b3b1a395d7c25e1eb3c54717c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dda4e790b5a93ffb1118dc1e2ed957b175173b8b3b1a395d7c25e1eb3c54717c", kill_on_drop: false }` [INFO] [stdout] dda4e790b5a93ffb1118dc1e2ed957b175173b8b3b1a395d7c25e1eb3c54717c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+9ae1860851f3fbc1435a1698e572252c0076f413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 44698e6bbdd2fc0b07eafd276d56452ac9606ae9df8e27993b07214cca8b1c70 [INFO] running `Command { std: "docker" "start" "-a" "44698e6bbdd2fc0b07eafd276d56452ac9606ae9df8e27993b07214cca8b1c70", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] skipping non-2021 edition `2018` [INFO] running `Command { std: "docker" "inspect" "44698e6bbdd2fc0b07eafd276d56452ac9606ae9df8e27993b07214cca8b1c70", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "44698e6bbdd2fc0b07eafd276d56452ac9606ae9df8e27993b07214cca8b1c70", kill_on_drop: false }` [INFO] [stdout] 44698e6bbdd2fc0b07eafd276d56452ac9606ae9df8e27993b07214cca8b1c70