[INFO] fetching crate s3c 0.1.0...
[INFO] checking s3c-0.1.0 against master#6162f6f12339aa81fe16b8a64644ead497e411b2 for pr-113242
[INFO] extracting crate s3c 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate s3c 0.1.0 on toolchain 6162f6f12339aa81fe16b8a64644ead497e411b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate s3c 0.1.0
[INFO] finished tweaking crates.io crate s3c 0.1.0
[INFO] tweaked toml for crates.io crate s3c 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate s3c 0.1.0 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" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rusoto_credential v0.47.0
[INFO] [stderr]   Downloaded redox_users v0.3.5
[INFO] [stderr]   Downloaded rusoto_signature v0.47.0
[INFO] [stderr]   Downloaded term v0.5.2
[INFO] [stderr]   Downloaded dirs v1.0.5
[INFO] [stderr]   Downloaded rust-argon2 v0.8.3
[INFO] [stderr]   Downloaded serde_derive v1.0.160
[INFO] [stderr]   Downloaded xml-rs v0.8.4
[INFO] [stderr]   Downloaded rusoto_s3 v0.47.0
[INFO] [stderr]   Downloaded rusoto_core v0.47.0
[INFO] [stderr]   Downloaded prettytable-rs v0.8.0
[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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3aaaddc443885ec30df17057160dec36b01ccc9ecf9e682a11b908ea19dce398
[INFO] running `Command { std: "docker" "start" "-a" "3aaaddc443885ec30df17057160dec36b01ccc9ecf9e682a11b908ea19dce398", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3aaaddc443885ec30df17057160dec36b01ccc9ecf9e682a11b908ea19dce398", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3aaaddc443885ec30df17057160dec36b01ccc9ecf9e682a11b908ea19dce398", kill_on_drop: false }`
[INFO] [stdout] 3aaaddc443885ec30df17057160dec36b01ccc9ecf9e682a11b908ea19dce398
[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=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" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b57ce0278a0bd65ecd309092b1560a3eb4321cf5c753540e5ad321819f0c1bd4
[INFO] running `Command { std: "docker" "start" "-a" "b57ce0278a0bd65ecd309092b1560a3eb4321cf5c753540e5ad321819f0c1bd4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling tokio v1.27.0
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling openssl-sys v0.9.85
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]     Checking iana-time-zone v0.1.56
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking cpufeatures v0.2.6
[INFO] [stderr]    Compiling rusoto_core v0.47.0
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]     Checking xml-rs v0.8.4
[INFO] [stderr]    Compiling anyhow v1.0.70
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling openssl v0.10.50
[INFO] [stderr]    Compiling native-tls v0.2.11
[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 vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.12.1
[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" "b57ce0278a0bd65ecd309092b1560a3eb4321cf5c753540e5ad321819f0c1bd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b57ce0278a0bd65ecd309092b1560a3eb4321cf5c753540e5ad321819f0c1bd4", kill_on_drop: false }`
[INFO] [stdout] b57ce0278a0bd65ecd309092b1560a3eb4321cf5c753540e5ad321819f0c1bd4