[INFO] cloning repository https://github.com/andrewbaxter/bread-scan [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andrewbaxter/bread-scan" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewbaxter%2Fbread-scan", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewbaxter%2Fbread-scan'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9190bdd7cef96c077feec2eb4461bc8e3522f4aa [INFO] checking andrewbaxter/bread-scan/9190bdd7cef96c077feec2eb4461bc8e3522f4aa against master#613bdd49978298648ed05ace086bd1ecad54b44a for pr-136458 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewbaxter%2Fbread-scan" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/andrewbaxter/bread-scan on toolchain 613bdd49978298648ed05ace086bd1ecad54b44a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+613bdd49978298648ed05ace086bd1ecad54b44a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/andrewbaxter/bread-scan [INFO] finished tweaking git repo https://github.com/andrewbaxter/bread-scan [INFO] tweaked toml for git repo https://github.com/andrewbaxter/bread-scan written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/andrewbaxter/bread-scan 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" "+613bdd49978298648ed05ace086bd1ecad54b44a" "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] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded structre v0.0.1 [INFO] [stderr] Downloaded peresil v0.3.0 [INFO] [stderr] Downloaded typed-arena v1.7.0 [INFO] [stderr] Downloaded structre_proc_macros v0.0.1 [INFO] [stderr] Downloaded path-dedot v3.0.18 [INFO] [stderr] Downloaded reflink v0.1.3 [INFO] [stderr] Downloaded bread-common v0.0.3 [INFO] [stderr] Downloaded ssri v8.0.0 [INFO] [stderr] Downloaded cacache v11.2.0 [INFO] [stderr] Downloaded sxd-document v0.3.2 [INFO] [stderr] Downloaded miette v5.5.0 [INFO] [stderr] Downloaded raw-cpuid v10.6.0 [INFO] [stderr] Downloaded pest v2.5.1 [INFO] [stderr] Downloaded slog-stdlog v4.1.1 [INFO] [stderr] Downloaded slog-term v2.9.0 [INFO] [stderr] Downloaded sloggers v2.1.1 [INFO] [stderr] Downloaded sxd-xpath v0.4.2 [INFO] [stderr] Downloaded cargo-manifest v0.4.0 [INFO] [stderr] Downloaded slog-async v2.7.0 [INFO] [stderr] Downloaded slog-kvfilter v0.7.0 [INFO] [stderr] Downloaded slog-scope v4.4.0 [INFO] [stderr] Downloaded trackable v1.2.0 [INFO] [stderr] Downloaded miette-derive v5.5.0 [INFO] [stderr] Downloaded path-absolutize v3.0.14 [INFO] [stderr] Downloaded platform-dirs v0.3.0 [INFO] [stderr] Downloaded windows-acl v0.3.0 [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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+613bdd49978298648ed05ace086bd1ecad54b44a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5227fe710628a2a8cbd19b967a8cc97f9007bc5500ca385b6f3804759061778f [INFO] running `Command { std: "docker" "start" "-a" "5227fe710628a2a8cbd19b967a8cc97f9007bc5500ca385b6f3804759061778f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5227fe710628a2a8cbd19b967a8cc97f9007bc5500ca385b6f3804759061778f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5227fe710628a2a8cbd19b967a8cc97f9007bc5500ca385b6f3804759061778f", kill_on_drop: false }` [INFO] [stdout] 5227fe710628a2a8cbd19b967a8cc97f9007bc5500ca385b6f3804759061778f [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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+613bdd49978298648ed05ace086bd1ecad54b44a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ef946fd96795b4c626a7c87e39f0c569252791edafda3d195be35f19f8820dd0 [INFO] running `Command { std: "docker" "start" "-a" "ef946fd96795b4c626a7c87e39f0c569252791edafda3d195be35f19f8820dd0", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.47 [INFO] [stderr] Compiling unicode-ident v1.0.5 [INFO] [stderr] Compiling syn v1.0.105 [INFO] [stderr] Compiling libc v0.2.137 [INFO] [stderr] Checking once_cell v1.16.0 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling siphasher v0.3.10 [INFO] [stderr] Compiling serde_derive v1.0.152 [INFO] [stderr] Compiling serde v1.0.152 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Checking itoa v1.0.4 [INFO] [stderr] Compiling futures-core v0.3.25 [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/src/lib.rs:92:30 [INFO] [stdout] | [INFO] [stdout] 92 | feature(proc_macro_span, proc_macro_span_shrink) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling slab v0.4.7 [INFO] [stderr] Compiling futures-channel v0.3.25 [INFO] [stderr] Compiling futures-task v0.3.25 [INFO] [stderr] Checking bytes v1.3.0 [INFO] [stderr] Checking futures-sink v0.3.25 [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "ef946fd96795b4c626a7c87e39f0c569252791edafda3d195be35f19f8820dd0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef946fd96795b4c626a7c87e39f0c569252791edafda3d195be35f19f8820dd0", kill_on_drop: false }` [INFO] [stdout] ef946fd96795b4c626a7c87e39f0c569252791edafda3d195be35f19f8820dd0