[INFO] fetching crate async-smtp 0.9.0... [INFO] checking async-smtp-0.9.0 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4 [INFO] extracting crate async-smtp 0.9.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate async-smtp 0.9.0 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate async-smtp 0.9.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate async-smtp 0.9.0 [INFO] tweaked toml for crates.io crate async-smtp 0.9.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate crates.io crate async-smtp 0.9.0 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pin-project v1.0.12 [INFO] [stderr] Downloaded wasm-bindgen-futures v0.4.34 [INFO] [stderr] Downloaded futures-core v0.3.27 [INFO] [stderr] Downloaded futures-io v0.3.27 [INFO] [stderr] Downloaded futures-sink v0.3.27 [INFO] [stderr] Downloaded async-lock v2.7.0 [INFO] [stderr] Downloaded async-channel v1.8.0 [INFO] [stderr] Downloaded plotters-backend v0.3.4 [INFO] [stderr] Downloaded futures-channel v0.3.27 [INFO] [stderr] Downloaded async-executor v1.5.0 [INFO] [stderr] Downloaded async-global-executor v2.3.1 [INFO] [stderr] Downloaded polling v2.6.0 [INFO] [stderr] Downloaded async-io v1.12.0 [INFO] [stderr] Downloaded web-sys v0.3.61 [INFO] [stderr] Downloaded csv v1.2.1 [INFO] [stderr] Downloaded libc v0.2.140 [INFO] [stderr] Downloaded tokio v1.26.0 [INFO] [stderr] Downloaded concurrent-queue v2.1.0 [INFO] [stderr] Downloaded signal-hook v0.3.15 [INFO] [stderr] Downloaded async-process v1.6.0 [INFO] [stderr] Downloaded plotters v0.3.4 [INFO] [stderr] Downloaded crossbeam-channel v0.5.7 [INFO] [stderr] Downloaded crossbeam-epoch v0.9.14 [INFO] [stderr] Downloaded crossbeam-utils v0.8.15 [INFO] [stderr] Downloaded rayon-core v1.11.0 [INFO] [stderr] Downloaded rayon v1.7.0 [INFO] [stderr] Downloaded serde_derive v1.0.155 [INFO] [stderr] Downloaded serde v1.0.155 [INFO] [stderr] Downloaded serde_json v1.0.94 [INFO] [stderr] Downloaded futures-util v0.3.27 [INFO] [stderr] Downloaded atomic-waker v1.1.0 [INFO] [stderr] Downloaded blocking v1.3.0 [INFO] [stderr] Downloaded plotters-svg v0.3.3 [INFO] [stderr] Downloaded memoffset v0.8.0 [INFO] [stderr] Downloaded futures-executor v0.3.27 [INFO] [stderr] Downloaded futures-macro v0.3.27 [INFO] [stderr] Downloaded futures-task v0.3.27 [INFO] [stderr] Downloaded futures v0.3.27 [INFO] [stderr] Downloaded pin-project-internal v1.0.12 [INFO] [stderr] Downloaded ctor v0.1.26 [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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a4da90cfe09e786fab4fa8926895a6da5f3993f23afb90ff8254fc546e6eb6ea [INFO] running `Command { std: "docker" "start" "-a" "a4da90cfe09e786fab4fa8926895a6da5f3993f23afb90ff8254fc546e6eb6ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a4da90cfe09e786fab4fa8926895a6da5f3993f23afb90ff8254fc546e6eb6ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a4da90cfe09e786fab4fa8926895a6da5f3993f23afb90ff8254fc546e6eb6ea", kill_on_drop: false }` [INFO] [stdout] a4da90cfe09e786fab4fa8926895a6da5f3993f23afb90ff8254fc546e6eb6ea [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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 63ab956aac91936060c518e6f63946c4d3ef59fcf32cd5be605c8bb291467201 [INFO] running `Command { std: "docker" "start" "-a" "63ab956aac91936060c518e6f63946c4d3ef59fcf32cd5be605c8bb291467201", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.51 [INFO] [stderr] Compiling unicode-ident v1.0.8 [INFO] [stderr] Compiling quote v1.0.23 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling libc v0.2.140 [INFO] [stderr] Compiling crossbeam-utils v0.8.15 [INFO] [stderr] Compiling futures-core v0.3.27 [INFO] [stderr] Compiling value-bag v1.0.0-alpha.9 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Checking futures-io v0.3.27 [INFO] [stderr] Checking event-listener v2.5.3 [INFO] [stderr] Checking concurrent-queue v2.1.0 [INFO] [stderr] Compiling memoffset v0.8.0 [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.51/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 fastrand v1.9.0 [INFO] [stderr] Checking parking v2.0.0 [INFO] [stderr] Compiling serde v1.0.155 [INFO] [stderr] Checking waker-fn v1.1.0 [INFO] [stderr] Checking async-lock v2.7.0 [INFO] [stderr] Compiling polling v2.6.0 [INFO] [stderr] Checking futures-lite v1.12.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.14 [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [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 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "63ab956aac91936060c518e6f63946c4d3ef59fcf32cd5be605c8bb291467201", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "63ab956aac91936060c518e6f63946c4d3ef59fcf32cd5be605c8bb291467201", kill_on_drop: false }` [INFO] [stdout] 63ab956aac91936060c518e6f63946c4d3ef59fcf32cd5be605c8bb291467201