[INFO] cloning repository https://github.com/KarlHeitmann/needle_in_a_yaml
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KarlHeitmann/needle_in_a_yaml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKarlHeitmann%2Fneedle_in_a_yaml", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKarlHeitmann%2Fneedle_in_a_yaml'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c724bdb845d135df4d0a022e10b1e8e5bd8d5fda
[INFO] checking KarlHeitmann/needle_in_a_yaml against try#6713fa75964eb229409a9c6f6f5c418423e313ff for pr-133502-22
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKarlHeitmann%2Fneedle_in_a_yaml" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/KarlHeitmann/needle_in_a_yaml
[INFO] finished tweaking git repo https://github.com/KarlHeitmann/needle_in_a_yaml
[INFO] tweaked toml for git repo https://github.com/KarlHeitmann/needle_in_a_yaml written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/KarlHeitmann/needle_in_a_yaml on toolchain 6713fa75964eb229409a9c6f6f5c418423e313ff
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/KarlHeitmann/needle_in_a_yaml 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" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded io-lifetimes v1.0.4
[INFO] [stderr]   Downloaded serde_yaml v0.9.16
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.87
[INFO] [stderr]   Downloaded unsafe-libyaml v0.2.5
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.87
[INFO] [stderr]   Downloaded cxx-build v1.0.87
[INFO] [stderr]   Downloaded rustix v0.36.7
[INFO] [stderr]   Downloaded cxx v1.0.87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed7fea6c95a9c7a9a668c9625beff4debd8cf0f78d5bf12f1fc80a1854483802
[INFO] running `Command { std: "docker" "start" "-a" "ed7fea6c95a9c7a9a668c9625beff4debd8cf0f78d5bf12f1fc80a1854483802", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed7fea6c95a9c7a9a668c9625beff4debd8cf0f78d5bf12f1fc80a1854483802", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed7fea6c95a9c7a9a668c9625beff4debd8cf0f78d5bf12f1fc80a1854483802", kill_on_drop: false }`
[INFO] [stdout] ed7fea6c95a9c7a9a668c9625beff4debd8cf0f78d5bf12f1fc80a1854483802
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73b74e9189c0126ee175850d6b525364a317d5ceaf8e392904e96406ae913fd2
[INFO] running `Command { std: "docker" "start" "-a" "73b74e9189c0126ee175850d6b525364a317d5ceaf8e392904e96406ae913fd2", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling io-lifetimes v1.0.4
[INFO] [stderr]    Compiling rustix v0.36.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]     Checking parking_lot_core v0.8.6
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking indexmap v1.9.2
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking unicode-segmentation v1.10.0
[INFO] [stderr]     Checking unsafe-libyaml v0.2.5
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking iana-time-zone v0.1.53
[INFO] [stderr]     Checking ryu v1.0.12
[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] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking signal-hook v0.1.17
[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" "73b74e9189c0126ee175850d6b525364a317d5ceaf8e392904e96406ae913fd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73b74e9189c0126ee175850d6b525364a317d5ceaf8e392904e96406ae913fd2", kill_on_drop: false }`
[INFO] [stdout] 73b74e9189c0126ee175850d6b525364a317d5ceaf8e392904e96406ae913fd2
