[INFO] fetching crate grrs_rk 0.1.0... [INFO] testing grrs_rk-0.1.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] extracting crate grrs_rk 0.1.0 into /workspace/builds/worker-10/source [INFO] validating manifest of crates.io crate grrs_rk 0.1.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate grrs_rk 0.1.0 [INFO] finished tweaking crates.io crate grrs_rk 0.1.0 [INFO] tweaked toml for crates.io crate grrs_rk 0.1.0 written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate crates.io crate grrs_rk 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded redox_syscall v0.1.56 [INFO] [stderr] Downloaded rand_chacha v0.2.1 [INFO] [stderr] Downloaded wasi v0.7.0 [INFO] [stderr] Downloaded number_prefix v0.3.0 [INFO] [stderr] Downloaded float-cmp v0.5.3 [INFO] [stderr] Downloaded syn v1.0.11 [INFO] [stderr] Downloaded ryu v1.0.2 [INFO] [stderr] Downloaded doc-comment v0.3.1 [INFO] [stderr] Downloaded cc v1.0.48 [INFO] [stderr] Downloaded backtrace v0.3.40 [INFO] [stderr] Downloaded synstructure v0.12.3 [INFO] [stderr] Downloaded failure v0.1.6 [INFO] [stderr] Downloaded termios v0.3.1 [INFO] [stderr] Downloaded wincolor v1.0.2 [INFO] [stderr] Downloaded remove_dir_all v0.5.2 [INFO] [stderr] Downloaded itoa v0.4.4 [INFO] [stderr] Downloaded quick-error v1.2.2 [INFO] [stderr] Downloaded vec_map v0.8.1 [INFO] [stderr] Downloaded console v0.9.1 [INFO] [stderr] Downloaded clap v2.33.0 [INFO] [stderr] Downloaded num-traits v0.2.10 [INFO] [stderr] Downloaded serde_json v1.0.44 [INFO] [stderr] Downloaded assert_cmd v0.12.0 [INFO] [stderr] Downloaded indicatif v0.13.0 [INFO] [stderr] Downloaded c2-chacha v0.2.3 [INFO] [stderr] Downloaded backtrace-sys v0.1.32 [INFO] [stderr] Downloaded tempfile v3.1.0 [INFO] [stderr] Downloaded normalize-line-endings v0.2.2 [INFO] [stderr] Downloaded escargot v0.5.0 [INFO] [stderr] Downloaded predicates-tree v1.0.0 [INFO] [stderr] Downloaded serde_derive v1.0.104 [INFO] [stderr] Downloaded serde v1.0.104 [INFO] [stderr] Downloaded winapi-util v0.1.2 [INFO] [stderr] Downloaded termcolor v1.0.5 [INFO] [stderr] Downloaded predicates v1.0.2 [INFO] [stderr] Downloaded failure_derive v0.1.6 [INFO] [stderr] Downloaded clicolors-control v1.0.1 [INFO] [stderr] Downloaded getrandom v0.1.13 [INFO] [stderr] Downloaded predicates-core v1.0.0 [INFO] [stderr] Downloaded atty v0.2.13 [INFO] [stderr] Downloaded unicode-width v0.1.7 [INFO] [stderr] Downloaded ppv-lite86 v0.2.6 [INFO] [stderr] Downloaded rand v0.7.2 [INFO] [stderr] Downloaded libc v0.2.66 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f521366e01715e1bbf619c6095986372f7c94d924972584c3d8fe7fc2d70086e [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "f521366e01715e1bbf619c6095986372f7c94d924972584c3d8fe7fc2d70086e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f521366e01715e1bbf619c6095986372f7c94d924972584c3d8fe7fc2d70086e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f521366e01715e1bbf619c6095986372f7c94d924972584c3d8fe7fc2d70086e", kill_on_drop: false }` [INFO] [stdout] f521366e01715e1bbf619c6095986372f7c94d924972584c3d8fe7fc2d70086e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1a42f25d6e120bae2906d2a0dcff952282c7ed5bb4bcaf605578d0faf17f4ca0 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "1a42f25d6e120bae2906d2a0dcff952282c7ed5bb4bcaf605578d0faf17f4ca0", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling cc v1.0.48 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling unicode-width v0.1.7 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling rustc-demangle v0.1.16 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling number_prefix v0.3.0 [INFO] [stderr] Compiling termcolor v1.0.5 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling clicolors-control v1.0.1 [INFO] [stderr] Compiling termios v0.3.1 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling env_logger v0.7.1 [INFO] [stderr] Compiling console v0.9.1 [INFO] [stderr] Compiling indicatif v0.13.0 [INFO] [stderr] Compiling backtrace v0.3.40 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling structopt v0.2.18 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Compiling failure v0.1.6 [INFO] [stderr] Compiling exitfailure v0.5.1 [INFO] [stderr] Compiling grrs_rk v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | writeln!(writer, "{}", line); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 46.42s [INFO] running `Command { std: "docker" "inspect" "1a42f25d6e120bae2906d2a0dcff952282c7ed5bb4bcaf605578d0faf17f4ca0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a42f25d6e120bae2906d2a0dcff952282c7ed5bb4bcaf605578d0faf17f4ca0", kill_on_drop: false }` [INFO] [stdout] 1a42f25d6e120bae2906d2a0dcff952282c7ed5bb4bcaf605578d0faf17f4ca0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 925f6fa2f21a0e68636b8ce1131f3868f6320fe78fdf1625bdfdab647eaf518f [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "925f6fa2f21a0e68636b8ce1131f3868f6320fe78fdf1625bdfdab647eaf518f", kill_on_drop: false }` [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling doc-comment v0.3.1 [INFO] [stderr] Compiling escargot v0.5.0 [INFO] [stderr] Compiling normalize-line-endings v0.2.2 [INFO] [stderr] Compiling remove_dir_all v0.5.2 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | writeln!(writer, "{}", line); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling c2-chacha v0.2.3 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling rand v0.7.2 [INFO] [stderr] Compiling float-cmp v0.5.3 [INFO] [stderr] Compiling predicates v1.0.2 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling serde_json v1.0.44 [INFO] [stderr] Compiling assert_cmd v0.12.0 [INFO] [stderr] Compiling grrs_rk v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | writeln!(writer, "{}", line); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `grrs` [INFO] [stdout] --> tests/cli.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | grrs::find_matches("lorem ipsum\ndolor sit amet", "lorem", &mut result); [INFO] [stdout] | ^^^^ use of undeclared crate or module `grrs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0433`. [INFO] [stdout] [INFO] [stderr] error: could not compile `grrs_rk` due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "925f6fa2f21a0e68636b8ce1131f3868f6320fe78fdf1625bdfdab647eaf518f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "925f6fa2f21a0e68636b8ce1131f3868f6320fe78fdf1625bdfdab647eaf518f", kill_on_drop: false }` [INFO] [stdout] 925f6fa2f21a0e68636b8ce1131f3868f6320fe78fdf1625bdfdab647eaf518f