[INFO] fetching crate rust-s3 0.34.0-rc4...
[INFO] checking rust-s3-0.34.0-rc4 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] extracting crate rust-s3 0.34.0-rc4 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate rust-s3 0.34.0-rc4 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust-s3 0.34.0-rc4
[INFO] removed 6 missing examples
[INFO] finished tweaking crates.io crate rust-s3 0.34.0-rc4
[INFO] tweaked toml for crates.io crate rust-s3 0.34.0-rc4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate rust-s3 0.34.0-rc4 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded minidom v0.15.0
[INFO] [stderr]   Downloaded aws-region v0.25.4
[INFO] [stderr]   Downloaded rxml_validation v0.8.1
[INFO] [stderr]   Downloaded aws-creds v0.36.0
[INFO] [stderr]   Downloaded rxml v0.8.1
[INFO] [stderr]   Downloaded block_on_proc v0.2.0
[INFO] [stderr]   Downloaded async-global-executor v2.3.0
[INFO] [stderr]   Downloaded attohttpc v0.26.1
[INFO] [stderr]   Downloaded dlv-list v0.5.1
[INFO] [stderr]   Downloaded smartstring v0.2.10
[INFO] [stderr]   Downloaded async-io v1.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6fcbf7eb3d691fd8772bfda795bfff9b924a7073908600faae5aceeb5e4c762
[INFO] running `Command { std: "docker" "start" "-a" "b6fcbf7eb3d691fd8772bfda795bfff9b924a7073908600faae5aceeb5e4c762", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6fcbf7eb3d691fd8772bfda795bfff9b924a7073908600faae5aceeb5e4c762", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6fcbf7eb3d691fd8772bfda795bfff9b924a7073908600faae5aceeb5e4c762", kill_on_drop: false }`
[INFO] [stdout] b6fcbf7eb3d691fd8772bfda795bfff9b924a7073908600faae5aceeb5e4c762
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 105acd5cb7d370800e085853b6598a96775426a7a7405ca2717dedc04607c06d
[INFO] running `Command { std: "docker" "start" "-a" "105acd5cb7d370800e085853b6598a96775426a7a7405ca2717dedc04607c06d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking futures-io v0.3.24
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.46/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 tokio v1.26.0
[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" "105acd5cb7d370800e085853b6598a96775426a7a7405ca2717dedc04607c06d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "105acd5cb7d370800e085853b6598a96775426a7a7405ca2717dedc04607c06d", kill_on_drop: false }`
[INFO] [stdout] 105acd5cb7d370800e085853b6598a96775426a7a7405ca2717dedc04607c06d