[INFO] cloning repository https://github.com/syhpoon/sab
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/syhpoon/sab" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyhpoon%2Fsab", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyhpoon%2Fsab'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bfd263532c316c0a123a5dfcc5307b8875763785
[INFO] checking syhpoon/sab against try#78c81ee3917a99dcff6e2e6822800f0492c415c3 for pr-148967
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyhpoon%2Fsab" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/syhpoon/sab
[INFO] finished tweaking git repo https://github.com/syhpoon/sab
[INFO] tweaked toml for git repo https://github.com/syhpoon/sab written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/syhpoon/sab on toolchain 78c81ee3917a99dcff6e2e6822800f0492c415c3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/syhpoon/sab 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" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unsafe-libyaml v0.2.5
[INFO] [stderr]   Downloaded ct-codecs v1.1.1
[INFO] [stderr]   Downloaded humanize-rs v0.1.5
[INFO] [stderr]   Downloaded aws-smithy-query v0.53.1
[INFO] [stderr]   Downloaded aws-smithy-async v0.53.1
[INFO] [stderr]   Downloaded aws-sig-auth v0.53.0
[INFO] [stderr]   Downloaded aws-smithy-json v0.53.1
[INFO] [stderr]   Downloaded aws-http v0.53.0
[INFO] [stderr]   Downloaded aws-smithy-types v0.53.1
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.86
[INFO] [stderr]   Downloaded orion v0.17.3
[INFO] [stderr]   Downloaded aws-sdk-sts v0.23.0
[INFO] [stderr]   Downloaded clap v4.0.32
[INFO] [stderr]   Downloaded cxx-build v1.0.86
[INFO] [stderr]   Downloaded serde_yaml v0.9.16
[INFO] [stderr]   Downloaded fiat-crypto v0.1.17
[INFO] [stderr]   Downloaded aws-sigv4 v0.53.0
[INFO] [stderr]   Downloaded aws-sdk-s3 v0.23.0
[INFO] [stderr]   Downloaded cxx v1.0.86
[INFO] [stderr]   Downloaded aws-credential-types v0.53.0
[INFO] [stderr]   Downloaded aws-smithy-client v0.53.1
[INFO] [stderr]   Downloaded semver v1.0.16
[INFO] [stderr]   Downloaded aws-smithy-http-tower v0.53.1
[INFO] [stderr]   Downloaded simd-abstraction v0.7.1
[INFO] [stderr]   Downloaded base64-simd v0.7.0
[INFO] [stderr]   Downloaded aws-endpoint v0.53.0
[INFO] [stderr]   Downloaded aws-smithy-checksums v0.53.1
[INFO] [stderr]   Downloaded outref v0.1.0
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.86
[INFO] [stderr]   Downloaded aws-sdk-sso v0.23.0
[INFO] [stderr]   Downloaded aws-smithy-eventstream v0.53.1
[INFO] [stderr]   Downloaded aws-config v0.53.0
[INFO] [stderr]   Downloaded aws-smithy-xml v0.53.1
[INFO] [stderr]   Downloaded aws-types v0.53.0
[INFO] [stderr]   Downloaded aws-smithy-http v0.53.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4d488bb6df5f596dced30d45575bbe575ccd2e121c20bbe3c7924da64182973
[INFO] running `Command { std: "docker" "start" "-a" "a4d488bb6df5f596dced30d45575bbe575ccd2e121c20bbe3c7924da64182973", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4d488bb6df5f596dced30d45575bbe575ccd2e121c20bbe3c7924da64182973", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4d488bb6df5f596dced30d45575bbe575ccd2e121c20bbe3c7924da64182973", kill_on_drop: false }`
[INFO] [stdout] a4d488bb6df5f596dced30d45575bbe575ccd2e121c20bbe3c7924da64182973
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a33641c1acba546a9fb1bcc9b8b99cfd7e1e1d1e70bd5630b3b19091f7fa25df
[INFO] running `Command { std: "docker" "start" "-a" "a33641c1acba546a9fb1bcc9b8b99cfd7e1e1d1e70bd5630b3b19091f7fa25df", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]     Checking outref v0.1.0
[INFO] [stderr]     Checking time v0.3.17
[INFO] [stderr]    Compiling semver v1.0.16
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking generic-array v0.14.6
[INFO] [stderr]     Checking bytes-utils v0.1.3
[INFO] [stderr]    Compiling rustls v0.20.7
[INFO] [stderr]     Checking zeroize v1.5.7
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking simd-abstraction v0.7.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.49/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 io-lifetimes v1.0.3
[INFO] [stderr]    Compiling rustix v0.36.6
[INFO] [stderr]     Checking xmlparser v0.13.5
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[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" "a33641c1acba546a9fb1bcc9b8b99cfd7e1e1d1e70bd5630b3b19091f7fa25df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a33641c1acba546a9fb1bcc9b8b99cfd7e1e1d1e70bd5630b3b19091f7fa25df", kill_on_drop: false }`
[INFO] [stdout] a33641c1acba546a9fb1bcc9b8b99cfd7e1e1d1e70bd5630b3b19091f7fa25df