[INFO] cloning repository https://github.com/wiktorwieclaw/actors
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wiktorwieclaw/actors" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwiktorwieclaw%2Factors", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwiktorwieclaw%2Factors'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0cdbdf1bf7a0e65171dae4bc3ada553e391c4744
[INFO] checking wiktorwieclaw/actors/0cdbdf1bf7a0e65171dae4bc3ada553e391c4744 against master#021fc25b7a48f6051bee1e1f06c7a277e4de1cc9 for pr-151510
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwiktorwieclaw%2Factors" "/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/wiktorwieclaw/actors
[INFO] finished tweaking git repo https://github.com/wiktorwieclaw/actors
[INFO] tweaked toml for git repo https://github.com/wiktorwieclaw/actors written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/wiktorwieclaw/actors on toolchain 021fc25b7a48f6051bee1e1f06c7a277e4de1cc9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+021fc25b7a48f6051bee1e1f06c7a277e4de1cc9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/wiktorwieclaw/actors 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" "+021fc25b7a48f6051bee1e1f06c7a277e4de1cc9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded static_cell v1.1.0
[INFO] [stderr]   Downloaded panic-probe v0.3.1
[INFO] [stderr]   Downloaded atomic-polyfill v1.0.2
[INFO] [stderr]   Downloaded defmt-parser v0.3.3
[INFO] [stderr]   Downloaded defmt-macros v0.3.5
[INFO] [stderr]   Downloaded seq-macro v0.3.3
[INFO] [stderr]   Downloaded defmt-rtt v0.4.0
[INFO] [stderr]   Downloaded defmt v0.3.4
[INFO] [stderr]   Downloaded sdio-host v0.5.0
[INFO] [stderr]   Downloaded bxcan v0.7.0
[INFO] [stderr]   Downloaded cortex-m-rt v0.7.3
[INFO] [stderr]   Downloaded embedded-hal v1.0.0-alpha.10
[INFO] [stderr]   Downloaded embassy-futures v0.1.0
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.7.0
[INFO] [stderr]   Downloaded embedded-storage v0.3.0
[INFO] [stderr]   Downloaded stm32-fmc v0.2.4
[INFO] [stderr]   Downloaded stm32-metapac v9.0.0
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+021fc25b7a48f6051bee1e1f06c7a277e4de1cc9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19c7d59befd466cf647ba007f6c7fda82ffa44562e140db1ce57486da793f3b2
[INFO] running `Command { std: "docker" "start" "-a" "19c7d59befd466cf647ba007f6c7fda82ffa44562e140db1ce57486da793f3b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19c7d59befd466cf647ba007f6c7fda82ffa44562e140db1ce57486da793f3b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19c7d59befd466cf647ba007f6c7fda82ffa44562e140db1ce57486da793f3b2", kill_on_drop: false }`
[INFO] [stdout] 19c7d59befd466cf647ba007f6c7fda82ffa44562e140db1ce57486da793f3b2
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+021fc25b7a48f6051bee1e1f06c7a277e4de1cc9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e50406c07bf8ae70e5f9c1c9c44c970315f3f346d48cee5702fa478f7b492a34
[INFO] running `Command { std: "docker" "start" "-a" "e50406c07bf8ae70e5f9c1c9c44c970315f3f346d48cee5702fa478f7b492a34", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking critical-section v1.1.1
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling defmt v0.3.4
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling heapless v0.7.16
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling atomic-polyfill v1.0.2
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling defmt-macros v0.3.5
[INFO] [stderr]     Checking volatile-register v0.2.1
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling stm32-metapac v9.0.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling embassy-sync v0.2.0 (https://github.com/embassy-rs/embassy?rev=d36feb6#d36feb64)
[INFO] [stderr]     Checking embedded-io v0.4.0
[INFO] [stderr]    Compiling embassy-executor v0.2.0 (https://github.com/embassy-rs/embassy?rev=d36feb6#d36feb64)
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling cortex-m-rt v0.7.3
[INFO] [stderr]    Compiling embassy-cortex-m v0.1.0 (https://github.com/embassy-rs/embassy?rev=d36feb6#d36feb64)
[INFO] [stderr]     Checking static_cell v1.1.0
[INFO] [stderr]    Compiling embassy-executor v0.2.0 (https://github.com/embassy-rs/embassy?tag=embassy-executor-v0.2.0#3e730aa8)
[INFO] [stderr]    Compiling panic-probe v0.3.1
[INFO] [stderr]     Checking embedded-hal v1.0.0-alpha.10
[INFO] [stderr]    Compiling defmt-rtt v0.4.0
[INFO] [stderr]     Checking embedded-storage v0.3.0
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling embassy-sync v0.2.0 (https://github.com/embassy-rs/embassy?tag=embassy-sync-v0.2.0#62ecd973)
[INFO] [stderr]     Checking bxcan v0.7.0
[INFO] [stderr]     Checking stm32-fmc v0.2.4
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking embassy-net-driver v0.1.0 (https://github.com/embassy-rs/embassy?rev=d36feb6#d36feb64)
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.59/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking sdio-host v0.5.0
[INFO] [stderr]    Compiling seq-macro v0.3.3
[INFO] [stderr]     Checking embassy-futures v0.1.0 (https://github.com/embassy-rs/embassy?rev=d36feb6#d36feb64)
[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" "e50406c07bf8ae70e5f9c1c9c44c970315f3f346d48cee5702fa478f7b492a34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e50406c07bf8ae70e5f9c1c9c44c970315f3f346d48cee5702fa478f7b492a34", kill_on_drop: false }`
[INFO] [stdout] e50406c07bf8ae70e5f9c1c9c44c970315f3f346d48cee5702fa478f7b492a34