[INFO] fetching crate s3v4 0.3.5...
[INFO] checking s3v4-0.3.5 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate s3v4 0.3.5 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate s3v4 0.3.5 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate s3v4 0.3.5
[INFO] finished tweaking crates.io crate s3v4 0.3.5
[INFO] tweaked toml for crates.io crate s3v4 0.3.5 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate s3v4 0.3.5 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ureq v2.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3798272c3fcd2f618594b4ed59fc0652cba76aebe15affa553f2b9edf9666e1
[INFO] running `Command { std: "docker" "start" "-a" "c3798272c3fcd2f618594b4ed59fc0652cba76aebe15affa553f2b9edf9666e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3798272c3fcd2f618594b4ed59fc0652cba76aebe15affa553f2b9edf9666e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3798272c3fcd2f618594b4ed59fc0652cba76aebe15affa553f2b9edf9666e1", kill_on_drop: false }`
[INFO] [stdout] c3798272c3fcd2f618594b4ed59fc0652cba76aebe15affa553f2b9edf9666e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d50498feeb9253bcc70943a9a76874e3e600cf42aad5db538f584f6e331ca9c4
[INFO] running `Command { std: "docker" "start" "-a" "d50498feeb9253bcc70943a9a76874e3e600cf42aad5db538f584f6e331ca9c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking gimli v0.27.3
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]    Compiling rustls v0.21.2
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking cpufeatures v0.2.8
[INFO] [stderr]     Checking urlencoding v2.1.2
[INFO] [stderr]     Checking base64 v0.21.2
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]     Checking object v0.30.4
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking url v2.4.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking addr2line v0.19.0
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha2 v0.10.7
[INFO] [stderr]     Checking s3v4 v0.3.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rustls-webpki v0.100.1
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking webpki-roots v0.23.1
[INFO] [stderr]     Checking ureq v2.7.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.85s
[INFO] running `Command { std: "docker" "inspect" "d50498feeb9253bcc70943a9a76874e3e600cf42aad5db538f584f6e331ca9c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d50498feeb9253bcc70943a9a76874e3e600cf42aad5db538f584f6e331ca9c4", kill_on_drop: false }`
[INFO] [stdout] d50498feeb9253bcc70943a9a76874e3e600cf42aad5db538f584f6e331ca9c4