[INFO] fetching crate grss 0.1.0... [INFO] testing grss-0.1.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] extracting crate grss 0.1.0 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate grss 0.1.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate grss 0.1.0 [INFO] finished tweaking crates.io crate grss 0.1.0 [INFO] tweaked toml for crates.io crate grss 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded console v0.15.0 [INFO] [stderr] Downloaded exitfailure v0.5.1 [INFO] [stderr] Downloaded escargot v0.3.1 [INFO] [stderr] Downloaded number_prefix v0.2.8 [INFO] [stderr] Downloaded indicatif v0.11.0 [INFO] [stderr] Downloaded assert_cmd v0.10.2 [INFO] [stderr] Downloaded encode_unicode v0.3.6 [INFO] [stderr] Downloaded terminal_size v0.1.17 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 974b1410d8f818bb680dea765b7b3eebe163949995b0a9a117ac36c84f6b606c [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" "974b1410d8f818bb680dea765b7b3eebe163949995b0a9a117ac36c84f6b606c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "974b1410d8f818bb680dea765b7b3eebe163949995b0a9a117ac36c84f6b606c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "974b1410d8f818bb680dea765b7b3eebe163949995b0a9a117ac36c84f6b606c", kill_on_drop: false }` [INFO] [stdout] 974b1410d8f818bb680dea765b7b3eebe163949995b0a9a117ac36c84f6b606c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7f38d84ec5e0b0870b0de89bc97a95aeadd7d47f2cc6575cb0e92062a55684d0 [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" "7f38d84ec5e0b0870b0de89bc97a95aeadd7d47f2cc6575cb0e92062a55684d0", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling smallvec v1.7.0 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling once_cell v1.8.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling instant v0.1.12 [INFO] [stderr] Compiling terminal_size v0.1.17 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling lock_api v0.4.5 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling parking_lot v0.11.2 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling object v0.27.1 [INFO] [stderr] Compiling number_prefix v0.2.8 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling structopt v0.2.18 [INFO] [stderr] Compiling console v0.15.0 [INFO] [stderr] Compiling indicatif v0.11.0 [INFO] [stderr] Compiling backtrace v0.3.63 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling exitfailure v0.5.1 [INFO] [stderr] Compiling grss 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 45.56s [INFO] running `Command { std: "docker" "inspect" "7f38d84ec5e0b0870b0de89bc97a95aeadd7d47f2cc6575cb0e92062a55684d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f38d84ec5e0b0870b0de89bc97a95aeadd7d47f2cc6575cb0e92062a55684d0", kill_on_drop: false }` [INFO] [stdout] 7f38d84ec5e0b0870b0de89bc97a95aeadd7d47f2cc6575cb0e92062a55684d0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 85879be1a7795616aad63a378a0d6525dedcaf7e2c690fb33dc7df60949c0868 [INFO] running `Command { std: "docker" "start" "-a" "85879be1a7795616aad63a378a0d6525dedcaf7e2c690fb33dc7df60949c0868", kill_on_drop: false }` [INFO] [stderr] Compiling predicates-core v1.0.2 [INFO] [stderr] Compiling ppv-lite86 v0.2.15 [INFO] [stderr] Compiling escargot v0.3.1 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stderr] Compiling termtree v0.2.3 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling float-cmp v0.8.0 [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 predicates-tree v1.0.4 [INFO] [stderr] Compiling predicates v1.0.8 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling assert_cmd v0.10.2 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling tempfile v3.2.0 [INFO] [stderr] Compiling grss v0.1.0 (/opt/rustwide/workdir) [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)]` 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] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> tests/cli.rs:21:45 [INFO] [stdout] | [INFO] [stdout] 21 | fn find_content_in_file() -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [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] [INFO] [stdout] [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] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 13.29s [INFO] running `Command { std: "docker" "inspect" "85879be1a7795616aad63a378a0d6525dedcaf7e2c690fb33dc7df60949c0868", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "85879be1a7795616aad63a378a0d6525dedcaf7e2c690fb33dc7df60949c0868", kill_on_drop: false }` [INFO] [stdout] 85879be1a7795616aad63a378a0d6525dedcaf7e2c690fb33dc7df60949c0868 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 63fb725a01237420adbe2acb1e0148019d793703f074ba3d55dce669cd3dbed0 [INFO] running `Command { std: "docker" "start" "-a" "63fb725a01237420adbe2acb1e0148019d793703f074ba3d55dce669cd3dbed0", kill_on_drop: false }` [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/lib.rs:4:13 [INFO] [stderr] | [INFO] [stderr] 4 | writeln!(writer, "{}", line); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `grss` (lib) generated 1 warning [INFO] [stderr] warning: unused import: `self` [INFO] [stderr] --> tests/cli.rs:5:15 [INFO] [stderr] | [INFO] [stderr] 5 | use std::io::{self, Write}; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> tests/cli.rs:8:42 [INFO] [stderr] | [INFO] [stderr] 8 | fn file_doesnt_exist() -> Result<(), Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> tests/cli.rs:21:45 [INFO] [stderr] | [INFO] [stderr] 21 | fn find_content_in_file() -> Result<(), Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: `grss` (test "cli") generated 3 warnings [INFO] [stderr] warning: `grss` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.14s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/grss-0eda1a444b38ffed) [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/grss-e748505ce433ff7f) [INFO] [stdout] [INFO] [stderr] Running tests/cli.rs (/opt/rustwide/target/debug/deps/cli-93b5c5eaba1866ce) [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] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test file_doesnt_exist has been running for over 60 seconds [INFO] [stdout] test find_content_in_file has been running for over 60 seconds [INFO] [stdout] test find_content_in_file ... ok [INFO] [stdout] test file_doesnt_exist ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 79.18s [INFO] [stdout] [INFO] [stderr] Doc-tests grss [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] running `Command { std: "docker" "inspect" "63fb725a01237420adbe2acb1e0148019d793703f074ba3d55dce669cd3dbed0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "63fb725a01237420adbe2acb1e0148019d793703f074ba3d55dce669cd3dbed0", kill_on_drop: false }` [INFO] [stdout] 63fb725a01237420adbe2acb1e0148019d793703f074ba3d55dce669cd3dbed0