[INFO] cloning repository https://github.com/tk-nguyen/qr-generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tk-nguyen/qr-generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftk-nguyen%2Fqr-generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftk-nguyen%2Fqr-generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de8ec9207ff844e89ae2d79e25d4752c79ff2f84
[INFO] checking tk-nguyen/qr-generator against try#4907eac94165faff6c5e5e015670b1c584275f7b for pr-154149
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftk-nguyen%2Fqr-generator" "/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/tk-nguyen/qr-generator
[INFO] finished tweaking git repo https://github.com/tk-nguyen/qr-generator
[INFO] tweaked toml for git repo https://github.com/tk-nguyen/qr-generator written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tk-nguyen/qr-generator on toolchain 4907eac94165faff6c5e5e015670b1c584275f7b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4907eac94165faff6c5e5e015670b1c584275f7b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tk-nguyen/qr-generator 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" "+4907eac94165faff6c5e5e015670b1c584275f7b" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking tk-nguyen/qr-generator against try#4907eac94165faff6c5e5e015670b1c584275f7b for pr-154149
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftk-nguyen%2Fqr-generator" "/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/tk-nguyen/qr-generator
[INFO] finished tweaking git repo https://github.com/tk-nguyen/qr-generator
[INFO] tweaked toml for git repo https://github.com/tk-nguyen/qr-generator written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tk-nguyen/qr-generator on toolchain 4907eac94165faff6c5e5e015670b1c584275f7b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4907eac94165faff6c5e5e015670b1c584275f7b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tk-nguyen/qr-generator 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" "+4907eac94165faff6c5e5e015670b1c584275f7b" "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 thiserror-impl v1.0.40
[INFO] [stderr]   Downloaded supports-unicode v2.0.0
[INFO] [stderr]   Downloaded supports-color v2.0.0
[INFO] [stderr]   Downloaded thiserror v1.0.40
[INFO] [stderr]   Downloaded terminal_size v0.1.17
[INFO] [stderr]   Downloaded quote v1.0.27
[INFO] [stderr]   Downloaded clap_lex v0.4.1
[INFO] [stderr]   Downloaded textwrap v0.15.2
[INFO] [stderr]   Downloaded unicode-ident v1.0.8
[INFO] [stderr]   Downloaded smawk v0.3.1
[INFO] [stderr]   Downloaded pico-args v0.5.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.85
[INFO] [stderr]   Downloaded anstyle-wincon v1.0.1
[INFO] [stderr]   Downloaded anstyle-parse v0.2.0
[INFO] [stderr]   Downloaded clap v4.2.7
[INFO] [stderr]   Downloaded bumpalo v3.12.2
[INFO] [stderr]   Downloaded kurbo v0.8.3
[INFO] [stderr]   Downloaded resvg v0.28.0
[INFO] [stderr]   Downloaded png v0.17.6
[INFO] [stderr]   Downloaded clap_builder v4.2.7
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.85
[INFO] [stderr]   Downloaded rustybuzz v0.6.0
[INFO] [stderr]   Downloaded regex v1.8.1
[INFO] [stderr]   Downloaded syn v2.0.15
[INFO] [stderr]   Downloaded aho-corasick v1.0.1
[INFO] [stderr]   Downloaded object v0.30.3
[INFO] [stderr]   Downloaded usvg v0.28.0
[INFO] [stderr]   Downloaded ttf-parser v0.17.1
[INFO] [stderr]   Downloaded rustix v0.37.19
[INFO] [stderr]   Downloaded fast_qr v0.8.6
[INFO] [stderr]   Downloaded regex-syntax v0.7.1
[INFO] [stderr]   Downloaded miniz_oxide v0.6.2
[INFO] [stderr]   Downloaded backtrace v0.3.67
[INFO] [stderr]   Downloaded io-lifetimes v1.0.10
[INFO] [stderr]   Downloaded miniz_oxide v0.5.4
[INFO] [stderr]   Downloaded roxmltree v0.18.0
[INFO] [stderr]   Downloaded fontconfig-parser v0.5.2
[INFO] [stderr]   Downloaded smallvec v1.10.0
[INFO] [stderr]   Downloaded unicode-general-category v0.6.0
[INFO] [stderr]   Downloaded unicode-script v0.5.5
[INFO] [stderr]   Downloaded arrayvec v0.7.2
[INFO] [stderr]   Downloaded roxmltree v0.15.1
[INFO] [stderr]   Downloaded svgtypes v0.8.2
[INFO] [stderr]   Downloaded gif v0.11.4
[INFO] [stderr]   Downloaded usvg-text-layout v0.28.0
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.85
[INFO] [stderr]   Downloaded getrandom v0.2.9
[INFO] [stderr]   Downloaded once_cell v1.17.1
[INFO] [stderr]   Downloaded libc v0.2.144
[INFO] [stderr]   Downloaded unicode-linebreak v0.1.4
[INFO] [stderr]   Downloaded gimli v0.27.2
[INFO] [stderr]   Downloaded miette v5.8.0
[INFO] [stderr]   Downloaded anstream v0.3.2
[INFO] [stderr]   Downloaded anstyle v1.0.0
[INFO] [stderr]   Downloaded clap_derive v4.2.0
[INFO] [stderr]   Downloaded rgb v0.8.36
[INFO] [stderr]   Downloaded svgfilters v0.4.0
[INFO] [stderr]   Downloaded fontdb v0.10.0
[INFO] [stderr]   Downloaded unicode-vo v0.1.0
[INFO] [stderr]   Downloaded data-url v0.2.0
[INFO] [stderr]   Downloaded xmlparser v0.13.5
[INFO] [stderr]   Downloaded simplecss v0.2.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.85
[INFO] [stderr]   Downloaded owo-colors v3.5.0
[INFO] [stderr]   Downloaded windows-targets v0.48.0
[INFO] [stderr]   Downloaded miette-derive v5.8.0
[INFO] [stderr]   Downloaded supports-hyperlinks v2.1.0
[INFO] [stderr]   Downloaded is-terminal v0.4.7
[INFO] [stderr]   Downloaded linux-raw-sys v0.3.7
[INFO] [stderr]   Downloaded unicode-bidi-mirroring v0.1.0
[INFO] [stderr]   Downloaded unicode-ccc v0.1.2
[INFO] [stderr]   Downloaded imagesize v0.10.1
[INFO] [stderr]   Downloaded rctree v0.5.0
[INFO] [stderr]   Downloaded strict-num v0.1.0
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.85
[INFO] [stderr]   Downloaded backtrace-ext v0.2.1
[INFO] [stderr]   Downloaded is_ci v1.1.1
[INFO] [stderr]   Downloaded hermit-abi v0.3.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.56
[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" "+4907eac94165faff6c5e5e015670b1c584275f7b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 805c4665cbaed8f49e9b43c467a6ba4181656f9c02f70c6af573e09f6438a6d3
[INFO] running `Command { std: "docker" "start" "-a" "805c4665cbaed8f49e9b43c467a6ba4181656f9c02f70c6af573e09f6438a6d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "805c4665cbaed8f49e9b43c467a6ba4181656f9c02f70c6af573e09f6438a6d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "805c4665cbaed8f49e9b43c467a6ba4181656f9c02f70c6af573e09f6438a6d3", kill_on_drop: false }`
[INFO] [stdout] 805c4665cbaed8f49e9b43c467a6ba4181656f9c02f70c6af573e09f6438a6d3
[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" "+4907eac94165faff6c5e5e015670b1c584275f7b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ab77edb9dec86987b4e9831afab3653e9a986af791b7be940e041bb784455fa
[INFO] running `Command { std: "docker" "start" "-a" "1ab77edb9dec86987b4e9831afab3653e9a986af791b7be940e041bb784455fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking linux-raw-sys v0.3.7
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]     Checking xmlparser v0.13.5
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]     Checking strict-num v0.1.0
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]    Compiling unicode-general-category v0.6.0
[INFO] [stderr]    Compiling regex-syntax v0.7.1
[INFO] [stderr]     Checking roxmltree v0.18.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]     Checking ttf-parser v0.17.1
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking siphasher v0.3.10
[INFO] [stderr]     Checking simplecss v0.2.1
[INFO] [stderr]     Checking kurbo v0.8.3
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/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 roxmltree v0.15.1
[INFO] [stderr]     Checking svgtypes v0.8.2
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[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" "1ab77edb9dec86987b4e9831afab3653e9a986af791b7be940e041bb784455fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ab77edb9dec86987b4e9831afab3653e9a986af791b7be940e041bb784455fa", kill_on_drop: false }`
[INFO] [stdout] 1ab77edb9dec86987b4e9831afab3653e9a986af791b7be940e041bb784455fa