[INFO] cloning repository https://github.com/jursonmo/tokiolearn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jursonmo/tokiolearn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjursonmo%2Ftokiolearn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjursonmo%2Ftokiolearn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 76776fe4d9b753ad6810f1d2bb7761d1474d7826
[INFO] checking jursonmo/tokiolearn against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjursonmo%2Ftokiolearn" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jursonmo/tokiolearn
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/jursonmo/tokiolearn
[INFO] tweaked toml for git repo https://github.com/jursonmo/tokiolearn written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jursonmo/tokiolearn 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/jursonmo/tokiolearn 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]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v2.11.1
[INFO] [stderr]       Adding clap v4.1.11 (available: v4.6.1)
[INFO] [stderr]       Adding clap_derive v4.1.9 (available: v4.6.1)
[INFO] [stderr]       Adding clap_lex v0.3.3
[INFO] [stderr]       Adding env_logger v0.10.2 (available: v0.11.10)
[INFO] [stderr]       Adding futures-sink v0.3.32
[INFO] [stderr]       Adding heck v0.4.1
[INFO] [stderr]       Adding hermit-abi v0.5.2
[INFO] [stderr]       Adding humantime v2.3.0
[INFO] [stderr]       Adding ipnet v2.12.0
[INFO] [stderr]       Adding is-terminal v0.4.17
[INFO] [stderr]       Adding os_str_bytes v6.6.1
[INFO] [stderr]       Adding strsim v0.10.0
[INFO] [stderr]       Adding tokio-util v0.7.8 (available: v0.7.18)
[INFO] [stderr]       Adding windows-link v0.2.1
[INFO] [stderr]       Adding windows-sys v0.61.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 0eabc09a8f8bdeff70c5c0090b200c9a45fb154d56bf40e96b14a1b90b35e5ba
[INFO] running `Command { std: "docker" "start" "-a" "0eabc09a8f8bdeff70c5c0090b200c9a45fb154d56bf40e96b14a1b90b35e5ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0eabc09a8f8bdeff70c5c0090b200c9a45fb154d56bf40e96b14a1b90b35e5ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0eabc09a8f8bdeff70c5c0090b200c9a45fb154d56bf40e96b14a1b90b35e5ba", kill_on_drop: false }`
[INFO] [stdout] 0eabc09a8f8bdeff70c5c0090b200c9a45fb154d56bf40e96b14a1b90b35e5ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] cb729b15e474f11ba8c90f3de5f6ef2f9e2ab18f9a54cdef9fed3f633c96d4e1
[INFO] running `Command { std: "docker" "start" "-a" "cb729b15e474f11ba8c90f3de5f6ef2f9e2ab18f9a54cdef9fed3f633c96d4e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]     Checking memchr v2.5.0
[INFO] [stderr]    Compiling serde v1.0.149
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking tracing-core v0.1.30
[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]    Compiling tokio v1.22.0
[INFO] [stderr]    Compiling futures-core v0.3.25
[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" "cb729b15e474f11ba8c90f3de5f6ef2f9e2ab18f9a54cdef9fed3f633c96d4e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb729b15e474f11ba8c90f3de5f6ef2f9e2ab18f9a54cdef9fed3f633c96d4e1", kill_on_drop: false }`
[INFO] [stdout] cb729b15e474f11ba8c90f3de5f6ef2f9e2ab18f9a54cdef9fed3f633c96d4e1
