[INFO] cloning repository https://github.com/ZJU-Winter/Cobra [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ZJU-Winter/Cobra" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZJU-Winter%2FCobra", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZJU-Winter%2FCobra'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a8a8da7e18a2f0c602bd96cbd86a2c32305ea87a [INFO] testing ZJU-Winter/Cobra against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZJU-Winter%2FCobra" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/ZJU-Winter/Cobra [INFO] finished tweaking git repo https://github.com/ZJU-Winter/Cobra [INFO] tweaked toml for git repo https://github.com/ZJU-Winter/Cobra written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/ZJU-Winter/Cobra on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/ZJU-Winter/Cobra 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d78e34ff68aca67b034f249d6a619123a03417c1d4586caa9e357f1caf985e10 [INFO] running `Command { std: "docker" "start" "-a" "d78e34ff68aca67b034f249d6a619123a03417c1d4586caa9e357f1caf985e10", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d78e34ff68aca67b034f249d6a619123a03417c1d4586caa9e357f1caf985e10", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d78e34ff68aca67b034f249d6a619123a03417c1d4586caa9e357f1caf985e10", kill_on_drop: false }` [INFO] [stdout] d78e34ff68aca67b034f249d6a619123a03417c1d4586caa9e357f1caf985e10 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1dfb235f34f055650a6efb1a2a222d9b8127fe52786fc66c01df773942888201 [INFO] running `Command { std: "docker" "start" "-a" "1dfb235f34f055650a6efb1a2a222d9b8127fe52786fc66c01df773942888201", kill_on_drop: false }` [INFO] [stderr] Compiling typenum v1.16.0 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling sexp v1.1.4 [INFO] [stderr] Compiling im v15.1.0 [INFO] [stderr] Compiling rand_xoshiro v0.6.0 [INFO] [stderr] Compiling bitmaps v2.1.0 [INFO] [stderr] Compiling sized-chunks v0.6.5 [INFO] [stderr] Compiling cobra v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `current_break` [INFO] [stdout] --> src/main.rs:392:76 [INFO] [stdout] | [INFO] [stdout] 392 | fn compile_loop(expr: &Box, si: i32, env: &mut HashMap, current_break: &String, label_count: &mut i32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_break` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.98s [INFO] running `Command { std: "docker" "inspect" "1dfb235f34f055650a6efb1a2a222d9b8127fe52786fc66c01df773942888201", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1dfb235f34f055650a6efb1a2a222d9b8127fe52786fc66c01df773942888201", kill_on_drop: false }` [INFO] [stdout] 1dfb235f34f055650a6efb1a2a222d9b8127fe52786fc66c01df773942888201 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8422fab5e930ea8b3004c1a8c26128f064ffb317d8e2766e057c631eb86afe42 [INFO] running `Command { std: "docker" "start" "-a" "8422fab5e930ea8b3004c1a8c26128f064ffb317d8e2766e057c631eb86afe42", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.141 [INFO] [stderr] Compiling proc-macro2 v1.0.56 [INFO] [stderr] Compiling unicode-ident v1.0.8 [INFO] [stderr] Compiling quote v1.0.26 [INFO] [stderr] Compiling unicode-width v0.1.10 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling io-lifetimes v1.0.10 [INFO] [stderr] Compiling serde v1.0.160 [INFO] [stderr] Compiling rustix v0.37.11 [INFO] [stderr] Compiling linux-raw-sys v0.3.1 [INFO] [stderr] Compiling unicode-segmentation v1.10.1 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling ryu v1.0.13 [INFO] [stderr] Compiling itoa v1.0.6 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling encode_unicode v1.0.0 [INFO] [stderr] Compiling pad v0.1.6 [INFO] [stdout] warning: unused variable: `current_break` [INFO] [stdout] --> src/main.rs:392:76 [INFO] [stdout] | [INFO] [stdout] 392 | fn compile_loop(expr: &Box, si: i32, env: &mut HashMap, current_break: &String, label_count: &mut i32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_break` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling 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-macro2-1.0.56/src/lib.rs:92:30 [INFO] [stdout] | [INFO] [stdout] 92 | feature(proc_macro_span, proc_macro_span_shrink) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [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" "8422fab5e930ea8b3004c1a8c26128f064ffb317d8e2766e057c631eb86afe42", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8422fab5e930ea8b3004c1a8c26128f064ffb317d8e2766e057c631eb86afe42", kill_on_drop: false }` [INFO] [stdout] 8422fab5e930ea8b3004c1a8c26128f064ffb317d8e2766e057c631eb86afe42