[INFO] crate oursh 0.2.0 is already in cache [INFO] checking oursh-0.2.0 against try#d27c6c6a469a28343396a8f3ac1c9d403aabda69 for pr-66037 [INFO] extracting crate oursh 0.2.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate oursh 0.2.0 on toolchain d27c6c6a469a28343396a8f3ac1c9d403aabda69 [INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate oursh 0.2.0 [INFO] finished tweaking crates.io crate oursh 0.2.0 [INFO] tweaked toml for crates.io crate oursh 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a204d8907876f28b5555687e04513a206c1b244bf1bd5f29f48827e9b65520de [INFO] running `"docker" "start" "-a" "a204d8907876f28b5555687e04513a206c1b244bf1bd5f29f48827e9b65520de"` [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling opaque-debug v0.2.3 [INFO] [stderr] Compiling bit-vec v0.5.1 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling lalrpop-util v0.16.3 [INFO] [stderr] Checking utf8 v0.0.2 [INFO] [stderr] Compiling ena v0.11.0 [INFO] [stderr] Checking nix v0.11.1 [INFO] [stderr] Compiling regex v1.3.3 [INFO] [stderr] Compiling string_cache_codegen v0.4.4 [INFO] [stderr] Checking docopt v0.8.3 [INFO] [stderr] Checking pwd v1.3.0 [INFO] [stderr] Compiling block-padding v0.1.5 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling sha2 v0.8.1 [INFO] [stderr] Compiling bit-set v0.5.1 [INFO] [stderr] Compiling string_cache v0.7.5 [INFO] [stderr] Compiling docopt v1.1.0 [INFO] [stderr] Compiling lalrpop v0.16.3 [INFO] [stderr] Compiling oursh v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/program/posix.rs:195:25 [INFO] [stderr] | [INFO] [stderr] 195 | let mut child = process::Command::new(&left_words[0].0) [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/program/posix.rs:195:25 [INFO] [stderr] | [INFO] [stderr] 195 | let mut child = process::Command::new(&left_words[0].0) [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `fork` [INFO] [stderr] --> src/job.rs:49:5 [INFO] [stderr] | [INFO] [stderr] 49 | fn fork(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] error[E0635]: unknown feature `alloc_system` [INFO] [stderr] --> src/lib.rs:77:12 [INFO] [stderr] | [INFO] [stderr] 77 | #![feature(alloc_system, box_syntax, box_patterns)] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `fork` [INFO] [stderr] --> src/job.rs:49:5 [INFO] [stderr] | [INFO] [stderr] 49 | fn fork(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0635`. [INFO] [stderr] error[E0635]: unknown feature `alloc_system` [INFO] [stderr] --> src/lib.rs:77:12 [INFO] [stderr] | [INFO] [stderr] 77 | #![feature(alloc_system, box_syntax, box_patterns)] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: could not compile `oursh`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0635`. [INFO] [stderr] error: could not compile `oursh`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "a204d8907876f28b5555687e04513a206c1b244bf1bd5f29f48827e9b65520de"` [INFO] running `"docker" "rm" "-f" "a204d8907876f28b5555687e04513a206c1b244bf1bd5f29f48827e9b65520de"` [INFO] [stdout] a204d8907876f28b5555687e04513a206c1b244bf1bd5f29f48827e9b65520de