[INFO] fetching crate s3c 0.1.0...
[INFO] testing s3c-0.1.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate s3c 0.1.0 into /workspace/builds/worker-1-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-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate s3c 0.1.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zeroize v1.6.0
[INFO] [stderr]   Downloaded openssl v0.10.50
[INFO] [stderr]   Downloaded rusoto_credential v0.47.0
[INFO] [stderr]   Downloaded arrayref v0.3.7
[INFO] [stderr]   Downloaded rusoto_core v0.47.0
[INFO] [stderr]   Downloaded term v0.5.2
[INFO] [stderr]   Downloaded csv-core v0.1.10
[INFO] [stderr]   Downloaded socket2 v0.4.9
[INFO] [stderr]   Downloaded hermit-abi v0.3.1
[INFO] [stderr]   Downloaded tokio-util v0.7.7
[INFO] [stderr]   Downloaded serde_json v1.0.96
[INFO] [stderr]   Downloaded h2 v0.3.17
[INFO] [stderr]   Downloaded rusoto_s3 v0.47.0
[INFO] [stderr]   Downloaded security-framework v2.8.2
[INFO] [stderr]   Downloaded syn v2.0.15
[INFO] [stderr]   Downloaded hyper v0.14.26
[INFO] [stderr]   Downloaded http v0.2.9
[INFO] [stderr]   Downloaded rustix v0.37.11
[INFO] [stderr]   Downloaded prettytable-rs v0.8.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.85
[INFO] [stderr]   Downloaded serde_derive v1.0.160
[INFO] [stderr]   Downloaded errno v0.3.1
[INFO] [stderr]   Downloaded io-lifetimes v1.0.10
[INFO] [stderr]   Downloaded rusoto_signature v0.47.0
[INFO] [stderr]   Downloaded security-framework-sys v2.8.0
[INFO] [stderr]   Downloaded async-trait v0.1.68
[INFO] [stderr]   Downloaded tokio v1.27.0
[INFO] [stderr]   Downloaded cpufeatures v0.2.6
[INFO] [stderr]   Downloaded semver v1.0.17
[INFO] [stderr]   Downloaded tokio-macros v2.0.0
[INFO] [stderr]   Downloaded csv v1.2.1
[INFO] [stderr]   Downloaded linux-raw-sys v0.3.1
[INFO] [stderr]   Downloaded tempfile v3.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7daec205ed01e7c32da34f6c7848baabae385ba15438bfddc3fb2062be4ba35
[INFO] running `Command { std: "docker" "start" "-a" "d7daec205ed01e7c32da34f6c7848baabae385ba15438bfddc3fb2062be4ba35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7daec205ed01e7c32da34f6c7848baabae385ba15438bfddc3fb2062be4ba35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7daec205ed01e7c32da34f6c7848baabae385ba15438bfddc3fb2062be4ba35", kill_on_drop: false }`
[INFO] [stdout] d7daec205ed01e7c32da34f6c7848baabae385ba15438bfddc3fb2062be4ba35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90244c2242c5eeab4613f86c4e75ad0733ad3ee79cc8e535952e6ec74158a1be
[INFO] running `Command { std: "docker" "start" "-a" "90244c2242c5eeab4613f86c4e75ad0733ad3ee79cc8e535952e6ec74158a1be", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling http v0.2.9
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling try-lock v0.2.4
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[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 semver v1.0.17
[INFO] [stderr]    Compiling openssl v0.10.50
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling tokio v1.27.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[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" "90244c2242c5eeab4613f86c4e75ad0733ad3ee79cc8e535952e6ec74158a1be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90244c2242c5eeab4613f86c4e75ad0733ad3ee79cc8e535952e6ec74158a1be", kill_on_drop: false }`
[INFO] [stdout] 90244c2242c5eeab4613f86c4e75ad0733ad3ee79cc8e535952e6ec74158a1be