[INFO] cloning repository https://github.com/helix-medical/lx-tool
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/helix-medical/lx-tool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhelix-medical%2Flx-tool", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhelix-medical%2Flx-tool'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 88a73af7348a13edf43998929e30f2b9872d2d8e
[INFO] checking helix-medical/lx-tool against try#2278ef25f90817c20d6dd0d2da58a990eb6f53cb for pr-145108-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhelix-medical%2Flx-tool" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/helix-medical/lx-tool
[INFO] finished tweaking git repo https://github.com/helix-medical/lx-tool
[INFO] tweaked toml for git repo https://github.com/helix-medical/lx-tool written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/helix-medical/lx-tool on toolchain 2278ef25f90817c20d6dd0d2da58a990eb6f53cb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2278ef25f90817c20d6dd0d2da58a990eb6f53cb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/helix-medical/lx-tool 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" "+2278ef25f90817c20d6dd0d2da58a990eb6f53cb" "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 test-case-macros v3.1.0
[INFO] [stderr]   Downloaded local-ip-address v0.5.3
[INFO] [stderr]   Downloaded test-case-core v3.1.0
[INFO] [stderr]   Downloaded test-case v3.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2278ef25f90817c20d6dd0d2da58a990eb6f53cb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 146434efb922ffc7d4f6762f83f58059f6018e5e19c7cb537a7803a9d8696229
[INFO] running `Command { std: "docker" "start" "-a" "146434efb922ffc7d4f6762f83f58059f6018e5e19c7cb537a7803a9d8696229", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "146434efb922ffc7d4f6762f83f58059f6018e5e19c7cb537a7803a9d8696229", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "146434efb922ffc7d4f6762f83f58059f6018e5e19c7cb537a7803a9d8696229", kill_on_drop: false }`
[INFO] [stdout] 146434efb922ffc7d4f6762f83f58059f6018e5e19c7cb537a7803a9d8696229
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2278ef25f90817c20d6dd0d2da58a990eb6f53cb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ca379d5ef078b32f7118ed68bb0706b6474fc5d31c7b4938ad76d5079ee2c2e
[INFO] running `Command { std: "docker" "start" "-a" "5ca379d5ef078b32f7118ed68bb0706b6474fc5d31c7b4938ad76d5079ee2c2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.58
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking os_str_bytes v6.5.0
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking futures-channel v0.3.28
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking futures-util v0.3.28
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.58/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 parking_lot_core v0.9.7
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]     Checking atty v0.2.14
[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" "5ca379d5ef078b32f7118ed68bb0706b6474fc5d31c7b4938ad76d5079ee2c2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ca379d5ef078b32f7118ed68bb0706b6474fc5d31c7b4938ad76d5079ee2c2e", kill_on_drop: false }`
[INFO] [stdout] 5ca379d5ef078b32f7118ed68bb0706b6474fc5d31c7b4938ad76d5079ee2c2e