[INFO] fetching crate colog 1.2.0... [INFO] checking colog-1.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate colog 1.2.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate colog 1.2.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate colog 1.2.0 [INFO] finished tweaking crates.io crate colog 1.2.0 [INFO] tweaked toml for crates.io crate colog 1.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate crates.io crate colog 1.2.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded termcolor v1.2.0 [INFO] [stderr] Downloaded windows-targets v0.42.1 [INFO] [stderr] Downloaded is-terminal v0.4.4 [INFO] [stderr] Downloaded redox_termios v0.1.1 [INFO] [stderr] Downloaded atty v0.2.11 [INFO] [stderr] Downloaded redox_syscall v0.1.51 [INFO] [stderr] Downloaded termion v1.5.1 [INFO] [stderr] Downloaded hermit-abi v0.3.1 [INFO] [stderr] Downloaded io-lifetimes v1.0.5 [INFO] [stderr] Downloaded rustix v0.36.9 [INFO] [stderr] Downloaded windows_x86_64_gnullvm v0.42.1 [INFO] [stderr] Downloaded windows_aarch64_gnullvm v0.42.1 [INFO] [stderr] Downloaded windows_x86_64_msvc v0.42.1 [INFO] [stderr] Downloaded libc v0.2.139 [INFO] [stderr] Downloaded windows_aarch64_msvc v0.42.1 [INFO] [stderr] Downloaded linux-raw-sys v0.1.4 [INFO] [stderr] Downloaded winapi v0.3.6 [INFO] [stderr] Downloaded windows_i686_gnu v0.42.1 [INFO] [stderr] Downloaded windows_i686_msvc v0.42.1 [INFO] [stderr] Downloaded windows_x86_64_gnu v0.42.1 [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5c3dbedbae873dc430e5a1718d0ba4021716abe140b00b5d601b10156dc0205b [INFO] running `Command { std: "docker" "start" "-a" "5c3dbedbae873dc430e5a1718d0ba4021716abe140b00b5d601b10156dc0205b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5c3dbedbae873dc430e5a1718d0ba4021716abe140b00b5d601b10156dc0205b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c3dbedbae873dc430e5a1718d0ba4021716abe140b00b5d601b10156dc0205b", kill_on_drop: false }` [INFO] [stdout] 5c3dbedbae873dc430e5a1718d0ba4021716abe140b00b5d601b10156dc0205b [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6b0cadfd82726b2f834d23082b22688c1157ce4cedd52b83a056acba1a770f1c [INFO] running `Command { std: "docker" "start" "-a" "6b0cadfd82726b2f834d23082b22688c1157ce4cedd52b83a056acba1a770f1c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.139 [INFO] [stderr] Compiling io-lifetimes v1.0.5 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling rustix v0.36.9 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking linux-raw-sys v0.1.4 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking termcolor v1.2.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Checking is-terminal v0.4.4 [INFO] [stderr] Checking env_logger v0.10.0 [INFO] [stderr] Checking colog v1.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `colog` is imported redundantly [INFO] [stdout] --> examples/simple.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use colog; [INFO] [stdout] | ^^^^^ the item `colog` 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 `colog` is imported redundantly [INFO] [stdout] --> examples/levels.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use colog; [INFO] [stdout] | ^^^^^ the item `colog` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.95s [INFO] running `Command { std: "docker" "inspect" "6b0cadfd82726b2f834d23082b22688c1157ce4cedd52b83a056acba1a770f1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b0cadfd82726b2f834d23082b22688c1157ce4cedd52b83a056acba1a770f1c", kill_on_drop: false }` [INFO] [stdout] 6b0cadfd82726b2f834d23082b22688c1157ce4cedd52b83a056acba1a770f1c [INFO] checking colog-1.2.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate colog 1.2.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate colog 1.2.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate colog 1.2.0 [INFO] finished tweaking crates.io crate colog 1.2.0 [INFO] tweaked toml for crates.io crate colog 1.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate colog 1.2.0 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bbb4dde6055e6b8827c822928c047583bf6cec427f199cdcb7e61a1994dd6151 [INFO] running `Command { std: "docker" "start" "-a" "bbb4dde6055e6b8827c822928c047583bf6cec427f199cdcb7e61a1994dd6151", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bbb4dde6055e6b8827c822928c047583bf6cec427f199cdcb7e61a1994dd6151", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bbb4dde6055e6b8827c822928c047583bf6cec427f199cdcb7e61a1994dd6151", kill_on_drop: false }` [INFO] [stdout] bbb4dde6055e6b8827c822928c047583bf6cec427f199cdcb7e61a1994dd6151 [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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 108b24b711eaee4c0d7df4bb1559852d268ea2bff9f2392513f7cc700b24a14b [INFO] running `Command { std: "docker" "start" "-a" "108b24b711eaee4c0d7df4bb1559852d268ea2bff9f2392513f7cc700b24a14b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.139 [INFO] [stderr] Compiling io-lifetimes v1.0.5 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling rustix v0.36.9 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking linux-raw-sys v0.1.4 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking termcolor v1.2.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Checking is-terminal v0.4.4 [INFO] [stderr] Checking env_logger v0.10.0 [INFO] [stderr] Checking colog v1.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `colog` is imported redundantly [INFO] [stdout] --> examples/levels.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use colog; [INFO] [stdout] | ^^^^^ the item `colog` 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 `colog` is imported redundantly [INFO] [stdout] --> examples/simple.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use colog; [INFO] [stdout] | ^^^^^ the item `colog` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.35s [INFO] running `Command { std: "docker" "inspect" "108b24b711eaee4c0d7df4bb1559852d268ea2bff9f2392513f7cc700b24a14b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "108b24b711eaee4c0d7df4bb1559852d268ea2bff9f2392513f7cc700b24a14b", kill_on_drop: false }` [INFO] [stdout] 108b24b711eaee4c0d7df4bb1559852d268ea2bff9f2392513f7cc700b24a14b