[INFO] fetching crate s3c 0.1.0...
[INFO] testing s3c-0.1.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate s3c 0.1.0 into /workspace/builds/worker-2-tc1/source
[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-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate s3c 0.1.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.160
[INFO] [stderr]   Downloaded shlex v1.1.0
[INFO] [stderr]   Downloaded cpufeatures v0.2.6
[INFO] [stderr]   Downloaded dirs v1.0.5
[INFO] [stderr]   Downloaded rusoto_core v0.47.0
[INFO] [stderr]   Downloaded redox_users v0.3.5
[INFO] [stderr]   Downloaded blake2b_simd v0.5.11
[INFO] [stderr]   Downloaded csv-core v0.1.10
[INFO] [stderr]   Downloaded anyhow v1.0.70
[INFO] [stderr]   Downloaded openssl-sys v0.9.85
[INFO] [stderr]   Downloaded bumpalo v3.12.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.15
[INFO] [stderr]   Downloaded tokio-util v0.7.7
[INFO] [stderr]   Downloaded futures v0.3.28
[INFO] [stderr]   Downloaded rusoto_s3 v0.47.0
[INFO] [stderr]   Downloaded h2 v0.3.17
[INFO] [stderr]   Downloaded unicode-segmentation v1.10.1
[INFO] [stderr]   Downloaded rust-argon2 v0.8.3
[INFO] [stderr]   Downloaded prettytable-rs v0.8.0
[INFO] [stderr]   Downloaded async-trait v0.1.68
[INFO] [stderr]   Downloaded openssl v0.10.50
[INFO] [stderr]   Downloaded getrandom v0.2.9
[INFO] [stderr]   Downloaded thiserror v1.0.40
[INFO] [stderr]   Downloaded rustix v0.37.11
[INFO] [stderr]   Downloaded futures-io v0.3.28
[INFO] [stderr]   Downloaded rusoto_credential v0.47.0
[INFO] [stderr]   Downloaded semver v1.0.17
[INFO] [stderr]   Downloaded futures-macro v0.3.28
[INFO] [stderr]   Downloaded rusoto_signature v0.47.0
[INFO] [stderr]   Downloaded xml-rs v0.8.4
[INFO] [stderr]   Downloaded term v0.5.2
[INFO] [stderr]   Downloaded futures-executor v0.3.28
[INFO] [stderr]   Downloaded zeroize v1.6.0
[INFO] [stderr]   Downloaded tokio-macros v2.0.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.40
[INFO] [stderr]   Downloaded structopt v0.3.26
[INFO] [stderr]   Downloaded tokio v1.27.0
[INFO] [stderr]   Downloaded libc v0.2.141
[INFO] [stderr]   Downloaded csv v1.2.1
[INFO] [stderr]   Downloaded linux-raw-sys v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba05d960f85d7ec56a4abeea176b8eb7a580c3ab59e5ae663dc3db8cb99c138a
[INFO] running `Command { std: "docker" "start" "-a" "ba05d960f85d7ec56a4abeea176b8eb7a580c3ab59e5ae663dc3db8cb99c138a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba05d960f85d7ec56a4abeea176b8eb7a580c3ab59e5ae663dc3db8cb99c138a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba05d960f85d7ec56a4abeea176b8eb7a580c3ab59e5ae663dc3db8cb99c138a", kill_on_drop: false }`
[INFO] [stdout] ba05d960f85d7ec56a4abeea176b8eb7a580c3ab59e5ae663dc3db8cb99c138a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ec7f378f58631dbc813766e7a0f6fe35f0a589d3332c617f637bfd01dbdad64
[INFO] running `Command { std: "docker" "start" "-a" "8ec7f378f58631dbc813766e7a0f6fe35f0a589d3332c617f637bfd01dbdad64", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling tokio v1.27.0
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling openssl-sys v0.9.85
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/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]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling openssl v0.10.50
[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" "8ec7f378f58631dbc813766e7a0f6fe35f0a589d3332c617f637bfd01dbdad64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ec7f378f58631dbc813766e7a0f6fe35f0a589d3332c617f637bfd01dbdad64", kill_on_drop: false }`
[INFO] [stdout] 8ec7f378f58631dbc813766e7a0f6fe35f0a589d3332c617f637bfd01dbdad64