[INFO] cloning repository https://github.com/krirogn/mc-stats
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/krirogn/mc-stats" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrirogn%2Fmc-stats", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrirogn%2Fmc-stats'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 182566a9e6fc4188b6ccddf6127d49027cbf76d6
[INFO] testing krirogn/mc-stats against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrirogn%2Fmc-stats" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/krirogn/mc-stats
[INFO] finished tweaking git repo https://github.com/krirogn/mc-stats
[INFO] tweaked toml for git repo https://github.com/krirogn/mc-stats written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/krirogn/mc-stats on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/krirogn/mc-stats 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded flate2 v1.0.26
[INFO] [stderr]   Downloaded serde v1.0.163
[INFO] [stderr]   Downloaded cli-table-derive v0.4.5
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.85
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.85
[INFO] [stderr]   Downloaded cli-table v0.4.7
[INFO] [stderr]   Downloaded csv-core v0.1.10
[INFO] [stderr]   Downloaded ryu v1.0.13
[INFO] [stderr]   Downloaded miniz_oxide v0.7.1
[INFO] [stderr]   Downloaded quote v1.0.27
[INFO] [stderr]   Downloaded bumpalo v3.12.2
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.85
[INFO] [stderr]   Downloaded libc v0.2.144
[INFO] [stderr]   Downloaded csv v1.2.2
[INFO] [stderr]   Downloaded itoa v1.0.6
[INFO] [stderr]   Downloaded syn v2.0.15
[INFO] [stderr]   Downloaded memchr v2.5.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.85
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.85
[INFO] [stderr]   Downloaded js-sys v0.3.62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 519fe5d2d84ba6a51ecbada2033f551bb930120e8da9a6f04a705c5477094197
[INFO] running `Command { std: "docker" "start" "-a" "519fe5d2d84ba6a51ecbada2033f551bb930120e8da9a6f04a705c5477094197", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "519fe5d2d84ba6a51ecbada2033f551bb930120e8da9a6f04a705c5477094197", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "519fe5d2d84ba6a51ecbada2033f551bb930120e8da9a6f04a705c5477094197", kill_on_drop: false }`
[INFO] [stdout] 519fe5d2d84ba6a51ecbada2033f551bb930120e8da9a6f04a705c5477094197
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdc738187117cc5c568c75017cc14bbadb2f0ce07d42f5863615fb67de693711
[INFO] running `Command { std: "docker" "start" "-a" "fdc738187117cc5c568c75017cc14bbadb2f0ce07d42f5863615fb67de693711", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.56
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/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]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling flate2 v1.0.26
[INFO] [stderr]    Compiling csv-core v0.1.10
[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" "fdc738187117cc5c568c75017cc14bbadb2f0ce07d42f5863615fb67de693711", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdc738187117cc5c568c75017cc14bbadb2f0ce07d42f5863615fb67de693711", kill_on_drop: false }`
[INFO] [stdout] fdc738187117cc5c568c75017cc14bbadb2f0ce07d42f5863615fb67de693711
