[INFO] fetching crate snailshell 0.3.1... [INFO] testing snailshell-0.3.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2 [INFO] extracting crate snailshell 0.3.1 into /workspace/builds/worker-1-tc1/source [INFO] started tweaking crates.io crate snailshell 0.3.1 [INFO] finished tweaking crates.io crate snailshell 0.3.1 [INFO] tweaked toml for crates.io crate snailshell 0.3.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate snailshell 0.3.1 on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate snailshell 0.3.1 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded clap_derive v3.2.15 [INFO] [stderr] Downloaded signal-hook v0.3.14 [INFO] [stderr] Downloaded os_str_bytes v6.2.0 [INFO] [stderr] Downloaded quote v1.0.20 [INFO] [stderr] Downloaded unicode-ident v1.0.2 [INFO] [stderr] Downloaded proc-macro2 v1.0.42 [INFO] [stderr] Downloaded syn v1.0.98 [INFO] [stderr] Downloaded once_cell v1.13.0 [INFO] [stderr] Downloaded crossterm v0.24.0 [INFO] [stderr] Downloaded unicode-segmentation v1.9.0 [INFO] [stderr] Downloaded clap v3.2.15 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 677b523fd0100be2e6d11e55f04c47769e886551fc15d33499cd2fc3e090c626 [INFO] running `Command { std: "docker" "start" "-a" "677b523fd0100be2e6d11e55f04c47769e886551fc15d33499cd2fc3e090c626", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "677b523fd0100be2e6d11e55f04c47769e886551fc15d33499cd2fc3e090c626", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "677b523fd0100be2e6d11e55f04c47769e886551fc15d33499cd2fc3e090c626", kill_on_drop: false }` [INFO] [stdout] 677b523fd0100be2e6d11e55f04c47769e886551fc15d33499cd2fc3e090c626 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b134964bebfeeb40644fe604b7bd1570a15b9aff586cf687c39722d7f673c0fe [INFO] running `Command { std: "docker" "start" "-a" "b134964bebfeeb40644fe604b7bd1570a15b9aff586cf687c39722d7f673c0fe", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.42 [INFO] [stderr] Compiling unicode-ident v1.0.2 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling os_str_bytes v6.2.0 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Compiling textwrap v0.15.0 [INFO] [stderr] Compiling once_cell v1.13.0 [INFO] [stderr] Compiling termcolor v1.1.3 [INFO] [stderr] Compiling indexmap v1.9.1 [INFO] [stderr] Compiling unicode-segmentation v1.9.0 [INFO] [stderr] Compiling clap_lex v0.2.4 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap_derive v3.2.15 [INFO] [stderr] Compiling clap v3.2.15 [INFO] [stderr] Compiling snailshell v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:95:9 [INFO] [stdout] | [INFO] [stdout] 95 | let mut graphemes = format_graphemes(text); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.81s [INFO] running `Command { std: "docker" "inspect" "b134964bebfeeb40644fe604b7bd1570a15b9aff586cf687c39722d7f673c0fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b134964bebfeeb40644fe604b7bd1570a15b9aff586cf687c39722d7f673c0fe", kill_on_drop: false }` [INFO] [stdout] b134964bebfeeb40644fe604b7bd1570a15b9aff586cf687c39722d7f673c0fe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 05aca3a661717ff7814e72b117d8c8c83bfc50c7783b261d9caa2df1f003c3ba [INFO] running `Command { std: "docker" "start" "-a" "05aca3a661717ff7814e72b117d8c8c83bfc50c7783b261d9caa2df1f003c3ba", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Compiling signal-hook v0.3.14 [INFO] [stderr] Compiling parking_lot_core v0.9.3 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling smallvec v1.9.0 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling signal-hook-registry v1.4.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling mio v0.8.4 [INFO] [stderr] Compiling clap v3.2.15 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling signal-hook-mio v0.2.3 [INFO] [stderr] Compiling crossterm v0.24.0 [INFO] [stderr] Compiling snailshell v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:95:9 [INFO] [stdout] | [INFO] [stdout] 95 | let mut graphemes = format_graphemes(text); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:95:9 [INFO] [stdout] | [INFO] [stdout] 95 | let mut graphemes = format_graphemes(text); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 8.78s [INFO] running `Command { std: "docker" "inspect" "05aca3a661717ff7814e72b117d8c8c83bfc50c7783b261d9caa2df1f003c3ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "05aca3a661717ff7814e72b117d8c8c83bfc50c7783b261d9caa2df1f003c3ba", kill_on_drop: false }` [INFO] [stdout] 05aca3a661717ff7814e72b117d8c8c83bfc50c7783b261d9caa2df1f003c3ba [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b892a1f3fe14874c715a3103327d36816ce3c9e7eb7c55ca8ba5c7ff30f5d8dc [INFO] running `Command { std: "docker" "start" "-a" "b892a1f3fe14874c715a3103327d36816ce3c9e7eb7c55ca8ba5c7ff30f5d8dc", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:95:9 [INFO] [stderr] | [INFO] [stderr] 95 | let mut graphemes = format_graphemes(text); [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `snailshell` (lib) generated 1 warning (run `cargo fix --lib -p snailshell` to apply 1 suggestion) [INFO] [stderr] warning: `snailshell` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/snailshell-1e53e48362774ced) [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/snailshell.rs (/opt/rustwide/target/debug/deps/snailshell-022dadab26446471) [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests snailshell [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test src/lib.rs - snailprint (line 62) ... ok [INFO] [stdout] test src/lib.rs - (line 16) ... ok [INFO] [stdout] test src/lib.rs - (line 5) ... ok [INFO] [stdout] test src/lib.rs - snailprint_d (line 87) ... ok [INFO] [stdout] test src/lib.rs - snailprint_s (line 73) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 41.49s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b892a1f3fe14874c715a3103327d36816ce3c9e7eb7c55ca8ba5c7ff30f5d8dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b892a1f3fe14874c715a3103327d36816ce3c9e7eb7c55ca8ba5c7ff30f5d8dc", kill_on_drop: false }` [INFO] [stdout] b892a1f3fe14874c715a3103327d36816ce3c9e7eb7c55ca8ba5c7ff30f5d8dc