[INFO] cloning repository https://github.com/Ludex-Labs/ika
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ludex-Labs/ika" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLudex-Labs%2Fika", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLudex-Labs%2Fika'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1087965bb28111f1d32aad85ad6d1557949f571b
[INFO] checking Ludex-Labs/ika against try#1bd50d4315eb15970d395b6be5823f9384707693 for pr-140151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLudex-Labs%2Fika" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ludex-Labs/ika on toolchain 1bd50d4315eb15970d395b6be5823f9384707693
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1bd50d4315eb15970d395b6be5823f9384707693" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Ludex-Labs/ika
[INFO] finished tweaking git repo https://github.com/Ludex-Labs/ika
[INFO] tweaked toml for git repo https://github.com/Ludex-Labs/ika written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Ludex-Labs/ika 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" "+1bd50d4315eb15970d395b6be5823f9384707693" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1bd50d4315eb15970d395b6be5823f9384707693" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d598d5035d3d7381dbefcdd804df1659dcfe805955f9d8674ffad2813919412e
[INFO] running `Command { std: "docker" "start" "-a" "d598d5035d3d7381dbefcdd804df1659dcfe805955f9d8674ffad2813919412e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d598d5035d3d7381dbefcdd804df1659dcfe805955f9d8674ffad2813919412e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d598d5035d3d7381dbefcdd804df1659dcfe805955f9d8674ffad2813919412e", kill_on_drop: false }`
[INFO] [stdout] d598d5035d3d7381dbefcdd804df1659dcfe805955f9d8674ffad2813919412e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1bd50d4315eb15970d395b6be5823f9384707693" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e15d9e221a1b734574b0e94b7c7fd735936d49db62c6d5e0f4de41358383a15e
[INFO] running `Command { std: "docker" "start" "-a" "e15d9e221a1b734574b0e94b7c7fd735936d49db62c6d5e0f4de41358383a15e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking os_str_bytes v6.3.1
[INFO] [stderr]    Compiling serde_json v1.0.87
[INFO] [stderr]    Compiling anyhow v1.0.66
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]     Checking unicode-segmentation v1.10.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking clap_lex v0.3.0
[INFO] [stderr]     Checking heck v0.3.3
[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] [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" "e15d9e221a1b734574b0e94b7c7fd735936d49db62c6d5e0f4de41358383a15e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e15d9e221a1b734574b0e94b7c7fd735936d49db62c6d5e0f4de41358383a15e", kill_on_drop: false }`
[INFO] [stdout] e15d9e221a1b734574b0e94b7c7fd735936d49db62c6d5e0f4de41358383a15e