[INFO] cloning repository https://github.com/matthunz/rcesc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matthunz/rcesc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthunz%2Frcesc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthunz%2Frcesc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6960b60cb0181ab52957c970701bc344b7bd2305
[INFO] checking matthunz/rcesc against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthunz%2Frcesc" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matthunz/rcesc on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/matthunz/rcesc
[INFO] finished tweaking git repo https://github.com/matthunz/rcesc
[INFO] tweaked toml for git repo https://github.com/matthunz/rcesc written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/matthunz/rcesc 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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /workspace/builds/worker-3-tc1/source/example/Cargo.toml
[INFO] [stderr] workspace: /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0d859c0730fc1bfa5895cc59fec9b812b4b7247decec64ac4aa8222195ff7e0
[INFO] running `Command { std: "docker" "start" "-a" "a0d859c0730fc1bfa5895cc59fec9b812b4b7247decec64ac4aa8222195ff7e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0d859c0730fc1bfa5895cc59fec9b812b4b7247decec64ac4aa8222195ff7e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0d859c0730fc1bfa5895cc59fec9b812b4b7247decec64ac4aa8222195ff7e0", kill_on_drop: false }`
[INFO] [stdout] a0d859c0730fc1bfa5895cc59fec9b812b4b7247decec64ac4aa8222195ff7e0
[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=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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dee6afc5a2d733be0befc0dfc31083b757cc20ca99721c7d3a723e701185ab50
[INFO] running `Command { std: "docker" "start" "-a" "dee6afc5a2d733be0befc0dfc31083b757cc20ca99721c7d3a723e701185ab50", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/example/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling cortex-m-rt v0.7.3
[INFO] [stderr]     Checking volatile-register v0.2.1
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking gcd v2.3.0
[INFO] [stderr]    Compiling stm32-usbd v0.6.0
[INFO] [stderr]    Compiling stm32f1 v0.15.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking fugit v0.3.6
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/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 usb-device v0.2.9
[INFO] [stderr]     Checking bxcan v0.7.0
[INFO] [stderr]     Checking embedded-dma v0.2.0
[INFO] [stderr]     Checking rcesc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking panic-halt v0.2.0
[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" "dee6afc5a2d733be0befc0dfc31083b757cc20ca99721c7d3a723e701185ab50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dee6afc5a2d733be0befc0dfc31083b757cc20ca99721c7d3a723e701185ab50", kill_on_drop: false }`
[INFO] [stdout] dee6afc5a2d733be0befc0dfc31083b757cc20ca99721c7d3a723e701185ab50
[INFO] checking matthunz/rcesc against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthunz%2Frcesc" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matthunz/rcesc on toolchain dae34b759e282c069aa28752564694effd121a63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/matthunz/rcesc
[INFO] finished tweaking git repo https://github.com/matthunz/rcesc
[INFO] tweaked toml for git repo https://github.com/matthunz/rcesc written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/matthunz/rcesc 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" "+dae34b759e282c069aa28752564694effd121a63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /workspace/builds/worker-3-tc2/source/example/Cargo.toml
[INFO] [stderr] workspace: /workspace/builds/worker-3-tc2/source/Cargo.toml
[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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a30a41d1d483fa55e5e51a14ee33f71463cddae38cdd456afaa85c9e0be4f941
[INFO] running `Command { std: "docker" "start" "-a" "a30a41d1d483fa55e5e51a14ee33f71463cddae38cdd456afaa85c9e0be4f941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a30a41d1d483fa55e5e51a14ee33f71463cddae38cdd456afaa85c9e0be4f941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a30a41d1d483fa55e5e51a14ee33f71463cddae38cdd456afaa85c9e0be4f941", kill_on_drop: false }`
[INFO] [stdout] a30a41d1d483fa55e5e51a14ee33f71463cddae38cdd456afaa85c9e0be4f941
[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=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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78dfe727ecae3671529b44ea7dd657d397b0b93f9205c9d9ed659d2df0c23899
[INFO] running `Command { std: "docker" "start" "-a" "78dfe727ecae3671529b44ea7dd657d397b0b93f9205c9d9ed659d2df0c23899", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "78dfe727ecae3671529b44ea7dd657d397b0b93f9205c9d9ed659d2df0c23899", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78dfe727ecae3671529b44ea7dd657d397b0b93f9205c9d9ed659d2df0c23899", kill_on_drop: false }`
[INFO] [stdout] 78dfe727ecae3671529b44ea7dd657d397b0b93f9205c9d9ed659d2df0c23899