[INFO] cloning repository https://github.com/devbins/qrcode_pair_rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/devbins/qrcode_pair_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevbins%2Fqrcode_pair_rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevbins%2Fqrcode_pair_rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f80204aef18a210bced2df42fa00cbeef5ada73f [INFO] checking devbins/qrcode_pair_rs against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevbins%2Fqrcode_pair_rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/devbins/qrcode_pair_rs [INFO] finished tweaking git repo https://github.com/devbins/qrcode_pair_rs [INFO] tweaked toml for git repo https://github.com/devbins/qrcode_pair_rs written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/devbins/qrcode_pair_rs on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/devbins/qrcode_pair_rs 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded getrandom v0.2.8 [INFO] [stderr] Downloaded checked_int_cast v1.0.0 [INFO] [stderr] Downloaded value-bag v1.0.0-alpha.9 [INFO] [stderr] Downloaded waker-fn v1.1.0 [INFO] [stderr] Downloaded async-stream-impl v0.2.1 [INFO] [stderr] Downloaded futures-macro v0.3.25 [INFO] [stderr] Downloaded atomic-waker v1.0.0 [INFO] [stderr] Downloaded futures-io v0.3.25 [INFO] [stderr] Downloaded cache-padded v1.2.0 [INFO] [stderr] Downloaded async-executor v1.4.1 [INFO] [stderr] Downloaded wepoll-ffi v0.1.2 [INFO] [stderr] Downloaded socket2 v0.4.7 [INFO] [stderr] Downloaded signal-hook v0.3.14 [INFO] [stderr] Downloaded bumpalo v3.11.1 [INFO] [stderr] Downloaded futures-lite v1.12.0 [INFO] [stderr] Downloaded qrcode v0.12.0 [INFO] [stderr] Downloaded async-io v1.9.0 [INFO] [stderr] Downloaded async-task v4.3.0 [INFO] [stderr] Downloaded futures-util v0.3.25 [INFO] [stderr] Downloaded proc-macro2 v1.0.47 [INFO] [stderr] Downloaded unicode-ident v1.0.5 [INFO] [stderr] Downloaded async-std v1.12.0 [INFO] [stderr] Downloaded syn v1.0.103 [INFO] [stderr] Downloaded image v0.23.14 [INFO] [stderr] Downloaded futures-channel v0.3.25 [INFO] [stderr] Downloaded futures-task v0.3.25 [INFO] [stderr] Downloaded async-global-executor v2.3.0 [INFO] [stderr] Downloaded async-lock v2.5.0 [INFO] [stderr] Downloaded polling v2.4.0 [INFO] [stderr] Downloaded concurrent-queue v1.2.4 [INFO] [stderr] Downloaded async-channel v1.7.1 [INFO] [stderr] Downloaded blocking v1.2.0 [INFO] [stderr] Downloaded async-process v1.5.0 [INFO] [stderr] Downloaded parking v2.0.0 [INFO] [stderr] Downloaded wasm-bindgen-futures v0.4.33 [INFO] [stderr] Downloaded async-stream v0.2.1 [INFO] [stderr] Downloaded dns-parser v0.8.0 [INFO] [stderr] Downloaded rustversion v1.0.9 [INFO] [stderr] Downloaded err-derive v0.2.4 [INFO] [stderr] Downloaded libc v0.2.136 [INFO] [stderr] Downloaded ctor v0.1.26 [INFO] [stderr] Downloaded fastrand v1.8.0 [INFO] [stderr] Downloaded gloo-timers v0.2.4 [INFO] [stderr] Downloaded futures-core v0.3.25 [INFO] [stderr] Downloaded net2 v0.2.38 [INFO] [stderr] Downloaded mdns v3.0.0 [INFO] [stderr] Downloaded num-rational v0.3.2 [INFO] [stderr] Downloaded web-sys v0.3.60 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b49069edbcb47e0cf289abe7fe419883fd3d9f8f1329780663267fcc72bafbac [INFO] running `Command { std: "docker" "start" "-a" "b49069edbcb47e0cf289abe7fe419883fd3d9f8f1329780663267fcc72bafbac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b49069edbcb47e0cf289abe7fe419883fd3d9f8f1329780663267fcc72bafbac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b49069edbcb47e0cf289abe7fe419883fd3d9f8f1329780663267fcc72bafbac", kill_on_drop: false }` [INFO] [stdout] b49069edbcb47e0cf289abe7fe419883fd3d9f8f1329780663267fcc72bafbac [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 65c49a65f1ab71a55bb71ec6f1eee8d8adabedce0a53d9fad8faabb78cb4c43c [INFO] running `Command { std: "docker" "start" "-a" "65c49a65f1ab71a55bb71ec6f1eee8d8adabedce0a53d9fad8faabb78cb4c43c", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.47 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling unicode-ident v1.0.5 [INFO] [stderr] Compiling syn v1.0.103 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling libc v0.2.136 [INFO] [stderr] Compiling futures-core v0.3.25 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking cache-padded v1.2.0 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking concurrent-queue v1.2.4 [INFO] [stderr] Checking parking v2.0.0 [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] Checking futures-io v0.3.25 [INFO] [stderr] Compiling slab v0.4.7 [INFO] [stderr] Checking fastrand v1.8.0 [INFO] [stderr] Checking waker-fn v1.1.0 [INFO] [stderr] Compiling value-bag v1.0.0-alpha.9 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling polling v2.4.0 [INFO] [stderr] Checking once_cell v1.15.0 [INFO] [stderr] Checking event-listener v2.5.3 [INFO] [stderr] Compiling async-io v1.9.0 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling rustversion v1.0.9 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling signal-hook v0.3.14 [INFO] [stderr] Checking async-task v4.3.0 [INFO] [stderr] Checking futures-lite v1.12.0 [INFO] [stderr] Checking async-channel v1.7.1 [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stderr] Compiling proc-macro-error v1.0.4 [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" "65c49a65f1ab71a55bb71ec6f1eee8d8adabedce0a53d9fad8faabb78cb4c43c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65c49a65f1ab71a55bb71ec6f1eee8d8adabedce0a53d9fad8faabb78cb4c43c", kill_on_drop: false }` [INFO] [stdout] 65c49a65f1ab71a55bb71ec6f1eee8d8adabedce0a53d9fad8faabb78cb4c43c