[INFO] fetching crate tyra 1.0.0...
[INFO] checking tyra-1.0.0 against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] extracting crate tyra 1.0.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate tyra 1.0.0
[INFO] finished tweaking crates.io crate tyra 1.0.0
[INFO] tweaked toml for crates.io crate tyra 1.0.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tyra 1.0.0 on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tyra 1.0.0 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2fc341ec9dc06f6a78b23c0b5d3f663c029f96d97cb47b23cb8a36f22d1ae5f
[INFO] running `Command { std: "docker" "start" "-a" "c2fc341ec9dc06f6a78b23c0b5d3f663c029f96d97cb47b23cb8a36f22d1ae5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2fc341ec9dc06f6a78b23c0b5d3f663c029f96d97cb47b23cb8a36f22d1ae5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2fc341ec9dc06f6a78b23c0b5d3f663c029f96d97cb47b23cb8a36f22d1ae5f", kill_on_drop: false }`
[INFO] [stdout] c2fc341ec9dc06f6a78b23c0b5d3f663c029f96d97cb47b23cb8a36f22d1ae5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28c5aabb019275e185d14ea0175f8d945df6c42cc276c49684096b5c0098cdc9
[INFO] running `Command { std: "docker" "start" "-a" "28c5aabb019275e185d14ea0175f8d945df6c42cc276c49684096b5c0098cdc9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.44
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling thiserror v1.0.36
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]     Checking dlv-list v0.3.0
[INFO] [stderr]    Compiling async-trait v0.1.57
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking futures-sink v0.3.24
[INFO] [stderr]    Compiling ntest_proc_macro_helper v0.8.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking pathdiff v0.2.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.44/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]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking hostname v0.3.1
[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" "28c5aabb019275e185d14ea0175f8d945df6c42cc276c49684096b5c0098cdc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28c5aabb019275e185d14ea0175f8d945df6c42cc276c49684096b5c0098cdc9", kill_on_drop: false }`
[INFO] [stdout] 28c5aabb019275e185d14ea0175f8d945df6c42cc276c49684096b5c0098cdc9
