[INFO] cloning repository https://github.com/robhardwick/polyhymnia
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robhardwick/polyhymnia" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobhardwick%2Fpolyhymnia", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobhardwick%2Fpolyhymnia'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a88b43e395d85cc7a6eb9195de8053ec9e76920
[INFO] checking robhardwick/polyhymnia against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobhardwick%2Fpolyhymnia" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/robhardwick/polyhymnia
[INFO] finished tweaking git repo https://github.com/robhardwick/polyhymnia
[INFO] tweaked toml for git repo https://github.com/robhardwick/polyhymnia written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/robhardwick/polyhymnia 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 git repo https://github.com/robhardwick/polyhymnia 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] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] baad9e72a982acebbe0beddfed8bde1e97aa5b0f19ba9041b606a0c533cb7936
[INFO] running `Command { std: "docker" "start" "-a" "baad9e72a982acebbe0beddfed8bde1e97aa5b0f19ba9041b606a0c533cb7936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "baad9e72a982acebbe0beddfed8bde1e97aa5b0f19ba9041b606a0c533cb7936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baad9e72a982acebbe0beddfed8bde1e97aa5b0f19ba9041b606a0c533cb7936", kill_on_drop: false }`
[INFO] [stdout] baad9e72a982acebbe0beddfed8bde1e97aa5b0f19ba9041b606a0c533cb7936
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f087e54b3289249f9937ec521fdf0cfedfe41455ea5fdca41e32cfae0feeed98
[INFO] running `Command { std: "docker" "start" "-a" "f087e54b3289249f9937ec521fdf0cfedfe41455ea5fdca41e32cfae0feeed98", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[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 libc v0.2.137
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling cortex-m v0.7.6
[INFO] [stderr]    Compiling defmt v0.3.2
[INFO] [stderr]    Compiling cortex-m-rt v0.7.2
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling defmt-macros v0.3.3
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking volatile-register v0.2.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling debug-helper v0.3.13
[INFO] [stderr]    Compiling paste v1.0.9
[INFO] [stderr]    Compiling defmt-parser v0.3.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.4
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]    Compiling crc-any v2.4.3
[INFO] [stderr]    Compiling critical-section v0.2.7
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]    Compiling rp2040-pac v0.3.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking critical-section v1.1.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/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 bare-metal v1.0.0
[INFO] [stderr]    Compiling cpal v0.14.1
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling panic-probe v0.3.0
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]    Compiling rp2040-boot2 v0.2.1
[INFO] [stderr]    Compiling defmt-rtt v0.4.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling bin-rp2040 v0.1.0 (/opt/rustwide/workdir/bin-rp2040)
[INFO] [stderr]     Checking usb-device v0.2.9
[INFO] [stderr]     Checking libpoly v0.1.0 (/opt/rustwide/workdir/libpoly)
[INFO] [stderr]     Checking gcd v2.1.0
[INFO] [stdout] warning: unused imports: `info`, `trace`, and `warn`
[INFO] [stdout]  --> libpoly/src/logger.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use log::{debug, error, info, trace, warn};
[INFO] [stdout]   |                             ^^^^  ^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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] [stdout] warning: unused imports: `info`, `trace`, and `warn`
[INFO] [stdout]  --> libpoly/src/logger.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use log::{debug, error, info, trace, warn};
[INFO] [stdout]   |                             ^^^^  ^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f087e54b3289249f9937ec521fdf0cfedfe41455ea5fdca41e32cfae0feeed98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f087e54b3289249f9937ec521fdf0cfedfe41455ea5fdca41e32cfae0feeed98", kill_on_drop: false }`
[INFO] [stdout] f087e54b3289249f9937ec521fdf0cfedfe41455ea5fdca41e32cfae0feeed98
