[INFO] fetching crate teemasterparser 0.4.0...
[INFO] checking teemasterparser-0.4.0 against try#38c2997544af84fe301d600d6896397738163002 for pr-154205-1
[INFO] extracting crate teemasterparser 0.4.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate teemasterparser 0.4.0
[INFO] finished tweaking crates.io crate teemasterparser 0.4.0
[INFO] tweaked toml for crates.io crate teemasterparser 0.4.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate teemasterparser 0.4.0 on toolchain 38c2997544af84fe301d600d6896397738163002
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate teemasterparser 0.4.0 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" "+38c2997544af84fe301d600d6896397738163002" "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] 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" "+38c2997544af84fe301d600d6896397738163002" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f603518c0a880909df038a0be753cbd63548b64b0733661bd4a3b1bc2c0386df
[INFO] running `Command { std: "docker" "start" "-a" "f603518c0a880909df038a0be753cbd63548b64b0733661bd4a3b1bc2c0386df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f603518c0a880909df038a0be753cbd63548b64b0733661bd4a3b1bc2c0386df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f603518c0a880909df038a0be753cbd63548b64b0733661bd4a3b1bc2c0386df", kill_on_drop: false }`
[INFO] [stdout] f603518c0a880909df038a0be753cbd63548b64b0733661bd4a3b1bc2c0386df
[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" "+38c2997544af84fe301d600d6896397738163002" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d52779b0e6e4768c80e007145567d1f0cf438bac4989ee2fd2ba6f9c566a6ea
[INFO] running `Command { std: "docker" "start" "-a" "2d52779b0e6e4768c80e007145567d1f0cf438bac4989ee2fd2ba6f9c566a6ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.4
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]    Compiling rustversion v1.0.9
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking plotters-backend v0.3.4
[INFO] [stderr]     Checking bytemuck v1.12.3
[INFO] [stderr]    Compiling font-kit v0.11.0
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling rustls v0.20.7
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]    Compiling yeslogic-fontconfig-sys v3.2.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/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 const-cstr v0.3.0
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]     Checking gimli v0.26.2
[INFO] [stderr]     Checking jpeg-decoder v0.2.6
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking object v0.29.0
[INFO] [stderr]    Compiling serde_json v1.0.87
[INFO] [stderr]     Checking png v0.17.7
[INFO] [stderr]     Checking os_str_bytes v6.4.0
[INFO] [stderr]     Checking iana-time-zone v0.1.53
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]     Checking gif v0.11.4
[INFO] [stderr]     Checking tracing-subscriber v0.3.16
[INFO] [stderr]     Checking plotters-svg v0.3.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling jobserver v0.1.25
[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" "2d52779b0e6e4768c80e007145567d1f0cf438bac4989ee2fd2ba6f9c566a6ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d52779b0e6e4768c80e007145567d1f0cf438bac4989ee2fd2ba6f9c566a6ea", kill_on_drop: false }`
[INFO] [stdout] 2d52779b0e6e4768c80e007145567d1f0cf438bac4989ee2fd2ba6f9c566a6ea