[INFO] fetching crate tacoda_grrs 0.1.3... [INFO] building tacoda_grrs-0.1.3 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1 [INFO] extracting crate tacoda_grrs 0.1.3 into /workspace/builds/worker-2-tc1/source [INFO] started tweaking crates.io crate tacoda_grrs 0.1.3 [INFO] finished tweaking crates.io crate tacoda_grrs 0.1.3 [INFO] tweaked toml for crates.io crate tacoda_grrs 0.1.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate tacoda_grrs 0.1.3 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate tacoda_grrs 0.1.3 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded predicates-tree v1.0.0 [INFO] [stderr] Downloaded escargot v0.4.0 [INFO] [stderr] Downloaded cc v1.0.37 [INFO] [stderr] Downloaded rand v0.7.2 [INFO] [stderr] Downloaded log v0.4.6 [INFO] [stderr] Downloaded thread_local v0.3.6 [INFO] [stderr] Downloaded termion v1.5.3 [INFO] [stderr] Downloaded heck v0.3.1 [INFO] [stderr] Downloaded rustc-demangle v0.1.15 [INFO] [stderr] Downloaded failure v0.1.5 [INFO] [stderr] Downloaded num-traits v0.2.8 [INFO] [stderr] Downloaded numtoa v0.1.0 [INFO] [stderr] Downloaded failure_derive v0.1.5 [INFO] [stderr] Downloaded assert_cmd v0.11.1 [INFO] [stderr] Downloaded ppv-lite86 v0.2.6 [INFO] [stderr] Downloaded serde_json v1.0.39 [INFO] [stderr] Downloaded utf8-ranges v1.0.3 [INFO] [stderr] Downloaded regex v1.1.7 [INFO] [stderr] Downloaded predicates-core v1.0.0 [INFO] [stderr] Downloaded unicode-segmentation v1.3.0 [INFO] [stderr] Downloaded backtrace v0.3.30 [INFO] [stderr] Downloaded lazy_static v1.3.0 [INFO] [stderr] Downloaded itoa v0.4.4 [INFO] [stderr] Downloaded syn v0.15.36 [INFO] [stderr] Downloaded treeline v0.1.0 [INFO] [stderr] Downloaded backtrace-sys v0.1.28 [INFO] [stderr] Downloaded serde_derive v1.0.92 [INFO] [stderr] Downloaded exitfailure v0.5.1 [INFO] [stderr] Downloaded ryu v0.2.8 [INFO] [stderr] Downloaded normalize-line-endings v0.2.2 [INFO] [stderr] Downloaded redox_termios v0.1.1 [INFO] [stderr] Downloaded vec_map v0.8.1 [INFO] [stderr] Downloaded cfg-if v0.1.9 [INFO] [stderr] Downloaded serde v1.0.92 [INFO] [stderr] Downloaded regex-syntax v0.6.7 [INFO] [stderr] Downloaded redox_syscall v0.1.54 [INFO] [stderr] Downloaded autocfg v0.1.4 [INFO] [stderr] Downloaded float-cmp v0.4.0 [INFO] [stderr] Downloaded atty v0.2.11 [INFO] [stderr] Downloaded synstructure v0.10.2 [INFO] [stderr] Downloaded ucd-util v0.1.3 [INFO] [stderr] Downloaded structopt-derive v0.2.16 [INFO] [stderr] Downloaded c2-chacha v0.2.3 [INFO] [stderr] Downloaded rand_chacha v0.2.1 [INFO] [stderr] Downloaded getrandom v0.1.13 [INFO] [stderr] Downloaded winapi v0.3.7 [INFO] [stderr] Downloaded tempfile v3.1.0 [INFO] [stderr] Downloaded structopt v0.2.16 [INFO] [stderr] Downloaded clap v2.33.0 [INFO] [stderr] Downloaded libc v0.2.66 [INFO] [stderr] Downloaded wasi v0.7.0 [INFO] [stderr] Downloaded remove_dir_all v0.5.2 [INFO] [stderr] Downloaded predicates v1.0.1 [INFO] [stderr] Downloaded unicode-width v0.1.5 [INFO] [stderr] Downloaded aho-corasick v0.7.3 [INFO] [stderr] Downloaded memchr v2.2.0 [INFO] [stderr] Downloaded quote v0.6.12 [INFO] [stderr] Downloaded bitflags v1.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 860372e566a008f9f355e8910af96894e1d879e0835245af739cc934cfa6c4b0 [INFO] running `Command { std: "docker" "start" "-a" "860372e566a008f9f355e8910af96894e1d879e0835245af739cc934cfa6c4b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "860372e566a008f9f355e8910af96894e1d879e0835245af739cc934cfa6c4b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "860372e566a008f9f355e8910af96894e1d879e0835245af739cc934cfa6c4b0", kill_on_drop: false }` [INFO] [stdout] 860372e566a008f9f355e8910af96894e1d879e0835245af739cc934cfa6c4b0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3993864dd703f22b6d9e677ce329be9687c863dde6f3bc5e18bcbfcb1b257ca6 [INFO] running `Command { std: "docker" "start" "-a" "3993864dd703f22b6d9e677ce329be9687c863dde6f3bc5e18bcbfcb1b257ca6", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling syn v0.15.36 [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Compiling cc v1.0.37 [INFO] [stderr] Compiling serde v1.0.92 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling regex v1.1.7 [INFO] [stderr] Compiling ucd-util v0.1.3 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling backtrace v0.3.30 [INFO] [stderr] Compiling regex-syntax v0.6.7 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling unicode-segmentation v1.3.0 [INFO] [stderr] Compiling utf8-ranges v1.0.3 [INFO] [stderr] Compiling predicates-core v1.0.0 [INFO] [stderr] Compiling rustc-demangle v0.1.15 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling normalize-line-endings v0.2.2 [INFO] [stderr] Compiling treeline v0.1.0 [INFO] [stderr] Compiling c2-chacha v0.2.3 [INFO] [stderr] Compiling aho-corasick v0.7.3 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling predicates-tree v1.0.0 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling remove_dir_all v0.5.2 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling float-cmp v0.4.0 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling rand v0.7.2 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling predicates v1.0.1 [INFO] [stderr] Compiling serde_derive v1.0.92 [INFO] [stderr] Compiling structopt-derive v0.2.16 [INFO] [stderr] Compiling failure v0.1.5 [INFO] [stderr] Compiling structopt v0.2.16 [INFO] [stderr] Compiling exitfailure v0.5.1 [INFO] [stderr] Compiling serde_json v1.0.39 [INFO] [stderr] Compiling assert_cmd v0.11.1 [INFO] [stderr] Compiling tacoda_grrs v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:12:13 [INFO] [stdout] | [INFO] [stdout] 12 | writeln!(writer, "{}", line); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 12 | let _ = writeln!(writer, "{}", line); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.21s [INFO] running `Command { std: "docker" "inspect" "3993864dd703f22b6d9e677ce329be9687c863dde6f3bc5e18bcbfcb1b257ca6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3993864dd703f22b6d9e677ce329be9687c863dde6f3bc5e18bcbfcb1b257ca6", kill_on_drop: false }` [INFO] [stdout] 3993864dd703f22b6d9e677ce329be9687c863dde6f3bc5e18bcbfcb1b257ca6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 39c3b359d8e0ca25d945ea94a54bcb9d2ae8a4b0f445b70e143f943b83c8c363 [INFO] running `Command { std: "docker" "start" "-a" "39c3b359d8e0ca25d945ea94a54bcb9d2ae8a4b0f445b70e143f943b83c8c363", kill_on_drop: false }` [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:12:13 [INFO] [stdout] | [INFO] [stdout] 12 | writeln!(writer, "{}", line); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 12 | let _ = writeln!(writer, "{}", line); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling tacoda_grrs v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:12:13 [INFO] [stdout] | [INFO] [stdout] 12 | writeln!(writer, "{}", line); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 12 | let _ = writeln!(writer, "{}", line); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> tests/cli.rs:5:15 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> tests/cli.rs:8:42 [INFO] [stdout] | [INFO] [stdout] 8 | fn file_doesnt_exist() -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 8 | fn file_doesnt_exist() -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> tests/cli.rs:20:45 [INFO] [stdout] | [INFO] [stdout] 20 | fn find_content_in_file() -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 20 | fn find_content_in_file() -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s [INFO] running `Command { std: "docker" "inspect" "39c3b359d8e0ca25d945ea94a54bcb9d2ae8a4b0f445b70e143f943b83c8c363", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39c3b359d8e0ca25d945ea94a54bcb9d2ae8a4b0f445b70e143f943b83c8c363", kill_on_drop: false }` [INFO] [stdout] 39c3b359d8e0ca25d945ea94a54bcb9d2ae8a4b0f445b70e143f943b83c8c363