[INFO] fetching crate multitooth 0.0.1... [INFO] checking multitooth-0.0.1 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1 [INFO] extracting crate multitooth 0.0.1 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate multitooth 0.0.1 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate multitooth 0.0.1 [INFO] finished tweaking crates.io crate multitooth 0.0.1 [INFO] tweaked toml for crates.io crate multitooth 0.0.1 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 6cbd988adb5e9f7cfcd087323d9e2d3b82e26cb7d634937238815bb1e9405c87 [INFO] running `"docker" "start" "-a" "6cbd988adb5e9f7cfcd087323d9e2d3b82e26cb7d634937238815bb1e9405c87"` [INFO] [stderr] Checking multitooth v0.0.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::os` [INFO] [stderr] --> src/main.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::os; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `ErrorKind`, `Error` [INFO] [stderr] --> src/main.rs:11:15 [INFO] [stderr] | [INFO] [stderr] 11 | use std::io::{Error,ErrorKind}; [INFO] [stderr] | ^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::os` [INFO] [stderr] --> src/main.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::os; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `ErrorKind`, `Error` [INFO] [stderr] --> src/main.rs:11:15 [INFO] [stderr] | [INFO] [stderr] 11 | use std::io::{Error,ErrorKind}; [INFO] [stderr] | ^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/main.rs:48:25 [INFO] [stderr] | [INFO] [stderr] 45 | panic!(e); [INFO] [stderr] | ---------- any code following this expression is unreachable [INFO] [stderr] ... [INFO] [stderr] 48 | unsafe { ::std::mem::forget(stdout) }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/main.rs:48:25 [INFO] [stderr] | [INFO] [stderr] 45 | panic!(e); [INFO] [stderr] | ---------- any code following this expression is unreachable [INFO] [stderr] ... [INFO] [stderr] 48 | unsafe { ::std::mem::forget(stdout) }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `tail` found for type `std::vec::Vec` in the current scope [INFO] [stderr] --> src/main.rs:99:41 [INFO] [stderr] | [INFO] [stderr] 99 | let matches = match opts.parse(args.tail()) { [INFO] [stderr] | ^^^^ method not found in `std::vec::Vec` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `tail` found for type `std::vec::Vec` in the current scope [INFO] [stderr] --> src/main.rs:99:41 [INFO] [stderr] | [INFO] [stderr] 99 | let matches = match opts.parse(args.tail()) { [INFO] [stderr] | ^^^^ method not found in `std::vec::Vec` [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0599`. [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0599`. [INFO] [stderr] error: could not compile `multitooth`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `multitooth`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "6cbd988adb5e9f7cfcd087323d9e2d3b82e26cb7d634937238815bb1e9405c87"` [INFO] running `"docker" "rm" "-f" "6cbd988adb5e9f7cfcd087323d9e2d3b82e26cb7d634937238815bb1e9405c87"` [INFO] [stdout] 6cbd988adb5e9f7cfcd087323d9e2d3b82e26cb7d634937238815bb1e9405c87