[INFO] fetching crate w25q 0.2.9...
[INFO] checking w25q-0.2.9 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate w25q 0.2.9 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate w25q 0.2.9 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] removed /workspace/builds/worker-5-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate w25q 0.2.9
[INFO] finished tweaking crates.io crate w25q 0.2.9
[INFO] tweaked toml for crates.io crate w25q 0.2.9 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate w25q 0.2.9 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stm32f4xx-hal v0.7.0
[INFO] [stderr]   Downloaded stm32f4 v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 14a92da38b6460d5c688bc0215cff869a9ab59b2586170824b3fa0ffbd4d2fc2
[INFO] running `Command { std: "docker" "start" "-a" "14a92da38b6460d5c688bc0215cff869a9ab59b2586170824b3fa0ffbd4d2fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14a92da38b6460d5c688bc0215cff869a9ab59b2586170824b3fa0ffbd4d2fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14a92da38b6460d5c688bc0215cff869a9ab59b2586170824b3fa0ffbd4d2fc2", kill_on_drop: false }`
[INFO] [stdout] 14a92da38b6460d5c688bc0215cff869a9ab59b2586170824b3fa0ffbd4d2fc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 48eca660ec42be0135f3f9194e26e2b046b918ca183937d13502adf234caa56c
[INFO] running `Command { std: "docker" "start" "-a" "48eca660ec42be0135f3f9194e26e2b046b918ca183937d13502adf234caa56c", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling semver v1.0.16
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking volatile-register v0.2.1
[INFO] [stderr]    Compiling cortex-m-rt v0.6.15
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.7
[INFO] [stderr]    Compiling stm32f4 v0.10.0
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking w25q v0.2.9 (/opt/rustwide/workdir)
[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]    Compiling rustc_version v0.4.0
[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" "48eca660ec42be0135f3f9194e26e2b046b918ca183937d13502adf234caa56c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48eca660ec42be0135f3f9194e26e2b046b918ca183937d13502adf234caa56c", kill_on_drop: false }`
[INFO] [stdout] 48eca660ec42be0135f3f9194e26e2b046b918ca183937d13502adf234caa56c
[INFO] checking w25q-0.2.9 against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] extracting crate w25q 0.2.9 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate w25q 0.2.9 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] removed /workspace/builds/worker-5-tc2/source/.cargo/config
[INFO] started tweaking crates.io crate w25q 0.2.9
[INFO] finished tweaking crates.io crate w25q 0.2.9
[INFO] tweaked toml for crates.io crate w25q 0.2.9 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate w25q 0.2.9 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 00ef27eedc3198c8fed76e684c843fbb4097ae0733ab28d77be7fd3f0d110eab
[INFO] running `Command { std: "docker" "start" "-a" "00ef27eedc3198c8fed76e684c843fbb4097ae0733ab28d77be7fd3f0d110eab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00ef27eedc3198c8fed76e684c843fbb4097ae0733ab28d77be7fd3f0d110eab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00ef27eedc3198c8fed76e684c843fbb4097ae0733ab28d77be7fd3f0d110eab", kill_on_drop: false }`
[INFO] [stdout] 00ef27eedc3198c8fed76e684c843fbb4097ae0733ab28d77be7fd3f0d110eab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a2a179c86cf27bf3051c12fa0b51846749bb2eb74242cbdaf6ef2561bbea1516
[INFO] running `Command { std: "docker" "start" "-a" "a2a179c86cf27bf3051c12fa0b51846749bb2eb74242cbdaf6ef2561bbea1516", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "a2a179c86cf27bf3051c12fa0b51846749bb2eb74242cbdaf6ef2561bbea1516", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2a179c86cf27bf3051c12fa0b51846749bb2eb74242cbdaf6ef2561bbea1516", kill_on_drop: false }`
[INFO] [stdout] a2a179c86cf27bf3051c12fa0b51846749bb2eb74242cbdaf6ef2561bbea1516