[INFO] fetching crate crossbeam-epoch 0.9.15... [INFO] checking crossbeam-epoch-0.9.15 against master#35936c4839dd272646394779d151e060d0f6b3ac for pr-122960-1 [INFO] extracting crate crossbeam-epoch 0.9.15 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate crossbeam-epoch 0.9.15 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 crossbeam-epoch 0.9.15 [INFO] finished tweaking crates.io crate crossbeam-epoch 0.9.15 [INFO] tweaked toml for crates.io crate crossbeam-epoch 0.9.15 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate crates.io crate crossbeam-epoch 0.9.15 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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tracing-log v0.1.3 [INFO] [stderr] Downloaded rustversion v1.0.12 [INFO] [stderr] Downloaded crossbeam-utils v0.8.15 [INFO] [stderr] Downloaded sharded-slab v0.1.4 [INFO] [stderr] Downloaded regex v1.8.4 [INFO] [stderr] Downloaded regex-syntax v0.7.2 [INFO] [stderr] Downloaded syn v2.0.18 [INFO] [stderr] Downloaded libc v0.2.146 [INFO] [stderr] Downloaded tracing-attributes v0.1.24 [INFO] [stderr] Downloaded tracing-subscriber v0.3.17 [INFO] [stderr] Downloaded loom v0.5.6 [INFO] [stderr] Downloaded smallvec v1.10.0 [INFO] [stderr] Downloaded thread_local v1.1.7 [INFO] [stderr] Downloaded proc-macro2 v1.0.60 [INFO] [stderr] Downloaded unicode-ident v1.0.9 [INFO] [stderr] Downloaded generator v0.7.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 7ef53a85b93a94980dea06d235822106bcd09224ec8cdd453f77bd56fde4fcf7 [INFO] running `Command { std: "docker" "start" "-a" "7ef53a85b93a94980dea06d235822106bcd09224ec8cdd453f77bd56fde4fcf7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7ef53a85b93a94980dea06d235822106bcd09224ec8cdd453f77bd56fde4fcf7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ef53a85b93a94980dea06d235822106bcd09224ec8cdd453f77bd56fde4fcf7", kill_on_drop: false }` [INFO] [stdout] 7ef53a85b93a94980dea06d235822106bcd09224ec8cdd453f77bd56fde4fcf7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 6634bb1126056601e56306ea43bdac2dbe6f7e2ccbc01e3407b60211f63d9ed9 [INFO] running `Command { std: "docker" "start" "-a" "6634bb1126056601e56306ea43bdac2dbe6f7e2ccbc01e3407b60211f63d9ed9", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.146 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.15 [INFO] [stderr] Compiling rustversion v1.0.12 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 (/opt/rustwide/workdir) [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/collector.rs:289:21 [INFO] [stdout] | [INFO] [stdout] 289 | struct Elem(i32); [INFO] [stdout] | ---- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 289 | struct Elem(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/collector.rs:353:21 [INFO] [stdout] | [INFO] [stdout] 353 | struct Elem(i32); [INFO] [stdout] | ---- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 353 | struct Elem(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/collector.rs:430:21 [INFO] [stdout] | [INFO] [stdout] 430 | struct Elem(i32); [INFO] [stdout] | ---- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 430 | struct Elem(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.51s [INFO] running `Command { std: "docker" "inspect" "6634bb1126056601e56306ea43bdac2dbe6f7e2ccbc01e3407b60211f63d9ed9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6634bb1126056601e56306ea43bdac2dbe6f7e2ccbc01e3407b60211f63d9ed9", kill_on_drop: false }` [INFO] [stdout] 6634bb1126056601e56306ea43bdac2dbe6f7e2ccbc01e3407b60211f63d9ed9 [INFO] checking crossbeam-epoch-0.9.15 against try#9ae1860851f3fbc1435a1698e572252c0076f413 for pr-122960-1 [INFO] extracting crate crossbeam-epoch 0.9.15 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate crossbeam-epoch 0.9.15 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 crossbeam-epoch 0.9.15 [INFO] finished tweaking crates.io crate crossbeam-epoch 0.9.15 [INFO] tweaked toml for crates.io crate crossbeam-epoch 0.9.15 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate crates.io crate crossbeam-epoch 0.9.15 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 8176c8e1a6d3a9813428b3d9111b69118cbd707f0b434887bd2928e0a746cd4a [INFO] running `Command { std: "docker" "start" "-a" "8176c8e1a6d3a9813428b3d9111b69118cbd707f0b434887bd2928e0a746cd4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8176c8e1a6d3a9813428b3d9111b69118cbd707f0b434887bd2928e0a746cd4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8176c8e1a6d3a9813428b3d9111b69118cbd707f0b434887bd2928e0a746cd4a", kill_on_drop: false }` [INFO] [stdout] 8176c8e1a6d3a9813428b3d9111b69118cbd707f0b434887bd2928e0a746cd4a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ff6ead262a5e7b0a7488b66e316b0cf658b2c5e4041ccf221666db8e4ca6904e [INFO] running `Command { std: "docker" "start" "-a" "ff6ead262a5e7b0a7488b66e316b0cf658b2c5e4041ccf221666db8e4ca6904e", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] skipping non-2021 edition `2018` [INFO] running `Command { std: "docker" "inspect" "ff6ead262a5e7b0a7488b66e316b0cf658b2c5e4041ccf221666db8e4ca6904e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff6ead262a5e7b0a7488b66e316b0cf658b2c5e4041ccf221666db8e4ca6904e", kill_on_drop: false }` [INFO] [stdout] ff6ead262a5e7b0a7488b66e316b0cf658b2c5e4041ccf221666db8e4ca6904e