[INFO] cloning repository https://github.com/abing258/ink-erc20
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/abing258/ink-erc20" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabing258%2Fink-erc20", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabing258%2Fink-erc20'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1140e826e65e872f3606db8636a0e0cc1abefb31
[INFO] checking abing258/ink-erc20 against master#b286722878e18db29a7fbe672be7c4d3b02e8e4d for pr-127655
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabing258%2Fink-erc20" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/abing258/ink-erc20 on toolchain b286722878e18db29a7fbe672be7c4d3b02e8e4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/abing258/ink-erc20
[INFO] finished tweaking git repo https://github.com/abing258/ink-erc20
[INFO] tweaked toml for git repo https://github.com/abing258/ink-erc20 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/abing258/ink-erc20 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" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking abing258/ink-erc20 against try#6a5749073f2ebf59d7740d30e50a932a85756ee7 for pr-127655
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabing258%2Fink-erc20" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/abing258/ink-erc20 on toolchain 6a5749073f2ebf59d7740d30e50a932a85756ee7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/abing258/ink-erc20
[INFO] finished tweaking git repo https://github.com/abing258/ink-erc20
[INFO] tweaked toml for git repo https://github.com/abing258/ink-erc20 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/abing258/ink-erc20 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" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "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 serde_derive v1.0.151
[INFO] [stderr]   Downloaded ink_storage v3.4.0
[INFO] [stderr]   Downloaded ink_prelude v3.4.0
[INFO] [stderr]   Downloaded ink_engine v3.4.0
[INFO] [stderr]   Downloaded ink_primitives v3.4.0
[INFO] [stderr]   Downloaded ink_storage_derive v3.4.0
[INFO] [stderr]   Downloaded ink_lang v3.4.0
[INFO] [stderr]   Downloaded ink_allocator v3.4.0
[INFO] [stderr]   Downloaded ink_lang_codegen v3.4.0
[INFO] [stderr]   Downloaded ink_lang_ir v3.4.0
[INFO] [stderr]   Downloaded ink_lang_macro v3.4.0
[INFO] [stderr]   Downloaded ink_env v3.4.0
[INFO] [stderr]   Downloaded ink_metadata v3.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b30440fc3f683e3f46cbed130d192b4079e15d5c0c40eee0c3a55ac44ff1eaff
[INFO] running `Command { std: "docker" "start" "-a" "b30440fc3f683e3f46cbed130d192b4079e15d5c0c40eee0c3a55ac44ff1eaff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b30440fc3f683e3f46cbed130d192b4079e15d5c0c40eee0c3a55ac44ff1eaff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b30440fc3f683e3f46cbed130d192b4079e15d5c0c40eee0c3a55ac44ff1eaff", kill_on_drop: false }`
[INFO] [stdout] b30440fc3f683e3f46cbed130d192b4079e15d5c0c40eee0c3a55ac44ff1eaff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b039fb20bfa16e2a7e27e54f65950e4c0ec7bfe43626d7f608c431db0b388fe
[INFO] running `Command { std: "docker" "start" "-a" "4b039fb20bfa16e2a7e27e54f65950e4c0ec7bfe43626d7f608c431db0b388fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling serde v1.0.151
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.151
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]     Checking byte-slice-cast v1.2.2
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking ink_prelude v3.4.0
[INFO] [stderr]     Checking keccak v0.1.3
[INFO] [stderr]    Compiling paste v1.0.11
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking ink_allocator v3.4.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking array-init v2.1.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.49/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]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[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 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4b039fb20bfa16e2a7e27e54f65950e4c0ec7bfe43626d7f608c431db0b388fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b039fb20bfa16e2a7e27e54f65950e4c0ec7bfe43626d7f608c431db0b388fe", kill_on_drop: false }`
[INFO] [stdout] 4b039fb20bfa16e2a7e27e54f65950e4c0ec7bfe43626d7f608c431db0b388fe