[INFO] cloning repository https://github.com/derpz-discord/math-tavern-bot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/derpz-discord/math-tavern-bot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fderpz-discord%2Fmath-tavern-bot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fderpz-discord%2Fmath-tavern-bot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 99e3cbd0b9ee68c1b89a89795ff301d20c96f2d5
[INFO] checking derpz-discord/math-tavern-bot against try#9228062c11d321a3ea08123f57e47533a3c88b00 for pr-154781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fderpz-discord%2Fmath-tavern-bot" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/derpz-discord/math-tavern-bot
[INFO] finished tweaking git repo https://github.com/derpz-discord/math-tavern-bot
[INFO] tweaked toml for git repo https://github.com/derpz-discord/math-tavern-bot written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/derpz-discord/math-tavern-bot on toolchain 9228062c11d321a3ea08123f57e47533a3c88b00
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9228062c11d321a3ea08123f57e47533a3c88b00" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/derpz-discord/math-tavern-bot 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" "+9228062c11d321a3ea08123f57e47533a3c88b00" "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 proc-macro2 v1.0.53
[INFO] [stderr]   Downloaded pyo3-asyncio v0.18.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.83
[INFO] [stderr]   Downloaded globalcache v0.2.0
[INFO] [stderr]   Downloaded fax_derive v0.1.0
[INFO] [stderr]   Downloaded pyo3-macros v0.18.1
[INFO] [stderr]   Downloaded datasize_derive v0.2.14
[INFO] [stderr]   Downloaded datasize v0.2.14
[INFO] [stderr]   Downloaded snafu-derive v0.7.4
[INFO] [stderr]   Downloaded async-trait v0.1.67
[INFO] [stderr]   Downloaded pyo3-build-config v0.18.1
[INFO] [stderr]   Downloaded futures v0.3.27
[INFO] [stderr]   Downloaded snafu v0.7.4
[INFO] [stderr]   Downloaded pdf v0.8.0
[INFO] [stderr]   Downloaded fax v0.2.0
[INFO] [stderr]   Downloaded pyo3-ffi v0.18.1
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.18.1
[INFO] [stderr]   Downloaded pom v3.2.0
[INFO] [stderr]   Downloaded openssl v0.10.48
[INFO] [stderr]   Downloaded target-lexicon v0.12.6
[INFO] [stderr]   Downloaded istring v0.3.3
[INFO] [stderr]   Downloaded pdf_derive v0.1.22
[INFO] [stderr]   Downloaded syn v2.0.8
[INFO] [stderr]   Downloaded pyo3 v0.18.1
[INFO] [stderr]   Downloaded lopdf v0.29.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+9228062c11d321a3ea08123f57e47533a3c88b00" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12663c45c87a05228abe92517293c21e5459db8f1c3b824ead9a87571f6d3270
[INFO] running `Command { std: "docker" "start" "-a" "12663c45c87a05228abe92517293c21e5459db8f1c3b824ead9a87571f6d3270", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12663c45c87a05228abe92517293c21e5459db8f1c3b824ead9a87571f6d3270", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12663c45c87a05228abe92517293c21e5459db8f1c3b824ead9a87571f6d3270", kill_on_drop: false }`
[INFO] [stdout] 12663c45c87a05228abe92517293c21e5459db8f1c3b824ead9a87571f6d3270
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+9228062c11d321a3ea08123f57e47533a3c88b00" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb2fc40a2082301ac092321fda349f96ad280b4e1f3696a9a757aee88f0ed25a
[INFO] running `Command { std: "docker" "start" "-a" "fb2fc40a2082301ac092321fda349f96ad280b4e1f3696a9a757aee88f0ed25a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.53
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]    Compiling target-lexicon v0.12.6
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]     Checking futures-sink v0.3.27
[INFO] [stderr]    Compiling futures-task v0.3.27
[INFO] [stderr]    Compiling futures-channel v0.3.27
[INFO] [stderr]    Compiling tokio v1.26.0
[INFO] [stderr]    Compiling futures-util v0.3.27
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking futures-io v0.3.27
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling openssl v0.10.48
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling openssl-sys v0.9.83
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.53/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 tracing v0.1.37
[INFO] [stderr]    Compiling async-trait v0.1.67
[INFO] [stderr]    Compiling const_fn v0.4.9
[INFO] [stderr]    Compiling serde v1.0.158
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling rustls v0.20.8
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking digest v0.10.6
[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" "fb2fc40a2082301ac092321fda349f96ad280b4e1f3696a9a757aee88f0ed25a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb2fc40a2082301ac092321fda349f96ad280b4e1f3696a9a757aee88f0ed25a", kill_on_drop: false }`
[INFO] [stdout] fb2fc40a2082301ac092321fda349f96ad280b4e1f3696a9a757aee88f0ed25a