[INFO] fetching crate toad 1.0.0-beta.1...
[INFO] checking toad-1.0.0-beta.1 against try#377afada703be70d3fdff9164a481570a3cba7fe for pr-113240
[INFO] extracting crate toad 1.0.0-beta.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate toad 1.0.0-beta.1 on toolchain 377afada703be70d3fdff9164a481570a3cba7fe
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate toad 1.0.0-beta.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate toad 1.0.0-beta.1
[INFO] tweaked toml for crates.io crate toad 1.0.0-beta.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate toad 1.0.0-beta.1 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" "+377afada703be70d3fdff9164a481570a3cba7fe" "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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bbee98060a06e45591323596f3492cdda6ff6092fc94bc3b3b1d60265eefecc7
[INFO] running `Command { std: "docker" "start" "-a" "bbee98060a06e45591323596f3492cdda6ff6092fc94bc3b3b1d60265eefecc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbee98060a06e45591323596f3492cdda6ff6092fc94bc3b3b1d60265eefecc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbee98060a06e45591323596f3492cdda6ff6092fc94bc3b3b1d60265eefecc7", kill_on_drop: false }`
[INFO] [stdout] bbee98060a06e45591323596f3492cdda6ff6092fc94bc3b3b1d60265eefecc7
[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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2beb23a774fb7530d74ecdc0dc7079fbbcaed91f01a1d90d143844f6a291d763
[INFO] running `Command { std: "docker" "start" "-a" "2beb23a774fb7530d74ecdc0dc7079fbbcaed91f01a1d90d143844f6a291d763", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling openssl-sys v0.9.86
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]    Compiling regex-syntax v0.7.1
[INFO] [stderr]    Compiling heapless v0.7.16
[INFO] [stderr]    Compiling openssl v0.10.51
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking toad-len v0.1.3
[INFO] [stderr]     Checking toad-array v0.2.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling time-macros v0.2.8
[INFO] [stderr]     Checking toad-writable v0.1.1
[INFO] [stderr]     Checking toad-map v0.2.3
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking toad-cursor v0.2.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking time-core v0.1.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking toad-string v0.2.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking naan v0.1.32
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]     Checking toad-stem v0.1.0
[INFO] [stderr]     Checking no-std-net v0.6.0
[INFO] [stderr]     Checking lazycell v1.3.0
[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 rand_chacha v0.3.1
[INFO] [stderr]    Compiling aho-corasick v1.0.1
[INFO] [stdout] error: aborting due to 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" "2beb23a774fb7530d74ecdc0dc7079fbbcaed91f01a1d90d143844f6a291d763", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2beb23a774fb7530d74ecdc0dc7079fbbcaed91f01a1d90d143844f6a291d763", kill_on_drop: false }`
[INFO] [stdout] 2beb23a774fb7530d74ecdc0dc7079fbbcaed91f01a1d90d143844f6a291d763