[INFO] fetching crate elbus 0.2.21...
[INFO] checking elbus-0.2.21 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate elbus 0.2.21 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate elbus 0.2.21 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate elbus 0.2.21
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate elbus 0.2.21
[INFO] tweaked toml for crates.io crate elbus 0.2.21 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate elbus 0.2.21 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" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-channel v0.3.24
[INFO] [stderr]   Downloaded unix-named-pipe v0.2.0
[INFO] [stderr]   Downloaded axum-core v0.2.8
[INFO] [stderr]   Downloaded miniz_oxide v0.5.4
[INFO] [stderr]   Downloaded async-trait v0.1.57
[INFO] [stderr]   Downloaded tower-layer v0.3.1
[INFO] [stderr]   Downloaded prost-derive v0.11.0
[INFO] [stderr]   Downloaded prost-types v0.11.1
[INFO] [stderr]   Downloaded fork v0.1.20
[INFO] [stderr]   Downloaded futures-sink v0.3.24
[INFO] [stderr]   Downloaded tokio-stream v0.1.10
[INFO] [stderr]   Downloaded async-channel v1.7.1
[INFO] [stderr]   Downloaded anyhow v1.0.65
[INFO] [stderr]   Downloaded prost v0.11.0
[INFO] [stderr]   Downloaded tonic v0.8.2
[INFO] [stderr]   Downloaded nix v0.25.0
[INFO] [stderr]   Downloaded clap v3.2.22
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.15
[INFO] [stderr]   Downloaded libc v0.2.134
[INFO] [stderr]   Downloaded jemalloc-sys v0.5.2+5.3.0-patched
[INFO] [stderr]   Downloaded axum v0.5.16
[INFO] [stderr]   Downloaded futures-util v0.3.24
[INFO] [stderr]   Downloaded chrono v0.4.22
[INFO] [stderr]   Downloaded tracing-core v0.1.29
[INFO] [stderr]   Downloaded serde_json v1.0.85
[INFO] [stderr]   Downloaded bumpalo v3.11.0
[INFO] [stderr]   Downloaded syn v1.0.101
[INFO] [stderr]   Downloaded mio v0.8.4
[INFO] [stderr]   Downloaded once_cell v1.15.0
[INFO] [stderr]   Downloaded serde v1.0.145
[INFO] [stderr]   Downloaded futures-core v0.3.24
[INFO] [stderr]   Downloaded unicode-ident v1.0.4
[INFO] [stderr]   Downloaded bma-benchmark v0.0.18
[INFO] [stderr]   Downloaded env_logger v0.9.1
[INFO] [stderr]   Downloaded textwrap v0.15.1
[INFO] [stderr]   Downloaded console-subscriber v0.1.8
[INFO] [stderr]   Downloaded iana-time-zone v0.1.50
[INFO] [stderr]   Downloaded submap v0.2.2
[INFO] [stderr]   Downloaded num-format v0.4.0
[INFO] [stderr]   Downloaded tracing v0.1.36
[INFO] [stderr]   Downloaded jemallocator v0.5.0
[INFO] [stderr]   Downloaded itoa v1.0.3
[INFO] [stderr]   Downloaded proc-macro2 v1.0.46
[INFO] [stderr]   Downloaded serde_derive v1.0.145
[INFO] [stderr]   Downloaded prettytable-rs v0.9.0
[INFO] [stderr]   Downloaded tracing-attributes v0.1.22
[INFO] [stderr]   Downloaded digest v0.10.5
[INFO] [stderr]   Downloaded syslog v5.0.0
[INFO] [stderr]   Downloaded polling v2.3.0
[INFO] [stderr]   Downloaded console-api v0.4.0
[INFO] [stderr]   Downloaded futures-io v0.3.24
[INFO] [stderr]   Downloaded h2 v0.3.14
[INFO] [stderr]   Downloaded os_str_bytes v6.3.0
[INFO] [stderr]   Downloaded futures v0.3.24
[INFO] [stderr]   Downloaded bma-benchmark-proc v0.0.18
[INFO] [stderr]   Downloaded futures-task v0.3.24
[INFO] [stderr]   Downloaded triggered v0.1.2
[INFO] [stderr]   Downloaded hyper v0.14.20
[INFO] [stderr]   Downloaded async-io v1.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c95c19a6f79f042ced9e409378ca43daa4e706e9afdadc8a5a75eef843517f8
[INFO] running `Command { std: "docker" "start" "-a" "9c95c19a6f79f042ced9e409378ca43daa4e706e9afdadc8a5a75eef843517f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c95c19a6f79f042ced9e409378ca43daa4e706e9afdadc8a5a75eef843517f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c95c19a6f79f042ced9e409378ca43daa4e706e9afdadc8a5a75eef843517f8", kill_on_drop: false }`
[INFO] [stdout] 9c95c19a6f79f042ced9e409378ca43daa4e706e9afdadc8a5a75eef843517f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9216191b4ae9b7d69cd17b3d4e05a018372fe7e860373fa800af10044866971c
[INFO] running `Command { std: "docker" "start" "-a" "9216191b4ae9b7d69cd17b3d4e05a018372fe7e860373fa800af10044866971c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking cache-padded v1.2.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking futures-io v0.3.24
[INFO] [stderr]     Checking concurrent-queue v1.2.4
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling polling v2.3.0
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]    Compiling async-io v1.9.0
[INFO] [stderr]     Checking async-channel v1.7.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.46/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-lite v1.12.0
[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" "9216191b4ae9b7d69cd17b3d4e05a018372fe7e860373fa800af10044866971c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9216191b4ae9b7d69cd17b3d4e05a018372fe7e860373fa800af10044866971c", kill_on_drop: false }`
[INFO] [stdout] 9216191b4ae9b7d69cd17b3d4e05a018372fe7e860373fa800af10044866971c
[INFO] checking elbus-0.2.21 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate elbus 0.2.21 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate elbus 0.2.21 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate elbus 0.2.21
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate elbus 0.2.21
[INFO] tweaked toml for crates.io crate elbus 0.2.21 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate elbus 0.2.21 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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 478ee249e289266d597e6677ce6a92ec06cae1462080f7cbe25f7c8abdab8c04
[INFO] running `Command { std: "docker" "start" "-a" "478ee249e289266d597e6677ce6a92ec06cae1462080f7cbe25f7c8abdab8c04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "478ee249e289266d597e6677ce6a92ec06cae1462080f7cbe25f7c8abdab8c04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "478ee249e289266d597e6677ce6a92ec06cae1462080f7cbe25f7c8abdab8c04", kill_on_drop: false }`
[INFO] [stdout] 478ee249e289266d597e6677ce6a92ec06cae1462080f7cbe25f7c8abdab8c04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1aef8ca081923d793c7ead73713bee061cc0ca9b3fc594c610305c890a80dc2f
[INFO] running `Command { std: "docker" "start" "-a" "1aef8ca081923d793c7ead73713bee061cc0ca9b3fc594c610305c890a80dc2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking cache-padded v1.2.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking concurrent-queue v1.2.4
[INFO] [stderr]     Checking futures-io v0.3.24
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling polling v2.3.0
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]    Compiling async-io v1.9.0
[INFO] [stderr]     Checking async-channel v1.7.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.46/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] [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" "1aef8ca081923d793c7ead73713bee061cc0ca9b3fc594c610305c890a80dc2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1aef8ca081923d793c7ead73713bee061cc0ca9b3fc594c610305c890a80dc2f", kill_on_drop: false }`
[INFO] [stdout] 1aef8ca081923d793c7ead73713bee061cc0ca9b3fc594c610305c890a80dc2f
