[INFO] cloning repository https://github.com/blindley/flash-card-thingy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blindley/flash-card-thingy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblindley%2Fflash-card-thingy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblindley%2Fflash-card-thingy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 19cd592068893e6e8859c42125f41b9c6af3f427
[INFO] checking blindley/flash-card-thingy against try#f70ee28831acc074c109afab32d287057c3eca46 for pr-149389
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblindley%2Fflash-card-thingy" "/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/blindley/flash-card-thingy
[INFO] finished tweaking git repo https://github.com/blindley/flash-card-thingy
[INFO] tweaked toml for git repo https://github.com/blindley/flash-card-thingy written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/blindley/flash-card-thingy on toolchain f70ee28831acc074c109afab32d287057c3eca46
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/blindley/flash-card-thingy 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" "+f70ee28831acc074c109afab32d287057c3eca46" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking blindley/flash-card-thingy against try#f70ee28831acc074c109afab32d287057c3eca46 for pr-149389
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblindley%2Fflash-card-thingy" "/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/blindley/flash-card-thingy
[INFO] finished tweaking git repo https://github.com/blindley/flash-card-thingy
[INFO] tweaked toml for git repo https://github.com/blindley/flash-card-thingy written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/blindley/flash-card-thingy on toolchain f70ee28831acc074c109afab32d287057c3eca46
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/blindley/flash-card-thingy 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" "+f70ee28831acc074c109afab32d287057c3eca46" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uuid-macro-internal v1.2.2
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.83
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.83
[INFO] [stderr]   Downloaded serde_derive v1.0.149
[INFO] [stderr]   Downloaded cxx-build v1.0.83
[INFO] [stderr]   Downloaded cxx v1.0.83
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 276651a011a26c7167863297a185a1cd601eb06e99b029d9f5b7e9dae56e80e5
[INFO] running `Command { std: "docker" "start" "-a" "276651a011a26c7167863297a185a1cd601eb06e99b029d9f5b7e9dae56e80e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "276651a011a26c7167863297a185a1cd601eb06e99b029d9f5b7e9dae56e80e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "276651a011a26c7167863297a185a1cd601eb06e99b029d9f5b7e9dae56e80e5", kill_on_drop: false }`
[INFO] [stdout] 276651a011a26c7167863297a185a1cd601eb06e99b029d9f5b7e9dae56e80e5
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0e6ce2d3f4da99d0939c5c29adffc45c9d42f915b95b3b488b8049d3500b533
[INFO] running `Command { std: "docker" "start" "-a" "d0e6ce2d3f4da99d0939c5c29adffc45c9d42f915b95b3b488b8049d3500b533", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling serde_derive v1.0.149
[INFO] [stderr]    Compiling serde v1.0.149
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.9.1
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]    Compiling tokio v1.23.0
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling cpufeatures v0.2.5
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]    Compiling time-core v0.1.0
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling time-macros v0.2.6
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.14.0
[INFO] [stderr]     Checking mio v0.8.5
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `LineColumn` in crate `proc_macro`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/src/wrapper.rs:479:33
[INFO] [stdout]     |
[INFO] [stdout] 479 |                 let proc_macro::LineColumn { line, column } = s.start();
[INFO] [stdout]     |                                 ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::fallback::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `LineColumn`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 479 -                 let proc_macro::LineColumn { line, column } = s.start();
[INFO] [stdout] 479 +                 let LineColumn { line, column } = s.start();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `LineColumn` in crate `proc_macro`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/src/wrapper.rs:496:33
[INFO] [stdout]     |
[INFO] [stdout] 496 |                 let proc_macro::LineColumn { line, column } = s.end();
[INFO] [stdout]     |                                 ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::fallback::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `LineColumn`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 496 -                 let proc_macro::LineColumn { line, column } = s.end();
[INFO] [stdout] 496 +                 let LineColumn { line, column } = s.end();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[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] 
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling cookie v0.16.1
[INFO] [stderr]     Checking futures-io v0.3.25
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stdout] Some errors have detailed explanations: E0422, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d0e6ce2d3f4da99d0939c5c29adffc45c9d42f915b95b3b488b8049d3500b533", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0e6ce2d3f4da99d0939c5c29adffc45c9d42f915b95b3b488b8049d3500b533", kill_on_drop: false }`
[INFO] [stdout] d0e6ce2d3f4da99d0939c5c29adffc45c9d42f915b95b3b488b8049d3500b533