[INFO] fetching crate grss 0.1.0... [INFO] testing grss-0.1.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] extracting crate grss 0.1.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate grss 0.1.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", 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] 377289f0d734558fe8f2e1265d01630ae0361053313669215ba1a331e9eb1762 [INFO] running `Command { std: "docker" "start" "-a" "377289f0d734558fe8f2e1265d01630ae0361053313669215ba1a331e9eb1762", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "377289f0d734558fe8f2e1265d01630ae0361053313669215ba1a331e9eb1762", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "377289f0d734558fe8f2e1265d01630ae0361053313669215ba1a331e9eb1762", kill_on_drop: false }` [INFO] [stdout] 377289f0d734558fe8f2e1265d01630ae0361053313669215ba1a331e9eb1762 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--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] 0d3eb59ef440068538511eecf62ce87ba3b97dcddceb8bab8553fa991749a0e3 [INFO] running `Command { std: "docker" "start" "-a" "0d3eb59ef440068538511eecf62ce87ba3b97dcddceb8bab8553fa991749a0e3", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling gimli v0.24.0 [INFO] [stderr] Compiling rustc-demangle v0.1.19 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling backtrace v0.3.60 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling terminal_size v0.1.17 [INFO] [stderr] Compiling object v0.25.2 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling number_prefix v0.2.8 [INFO] [stderr] Compiling console v0.14.1 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling addr2line v0.15.2 [INFO] [stderr] Compiling indicatif v0.11.0 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Compiling structopt v0.2.18 [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 1m 07s [INFO] running `Command { std: "docker" "inspect" "0d3eb59ef440068538511eecf62ce87ba3b97dcddceb8bab8553fa991749a0e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d3eb59ef440068538511eecf62ce87ba3b97dcddceb8bab8553fa991749a0e3", kill_on_drop: false }` [INFO] [stdout] 0d3eb59ef440068538511eecf62ce87ba3b97dcddceb8bab8553fa991749a0e3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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] c232e05b746e83bad57ae88941976ec78b707b253edfab5693b132e488abfd0f [INFO] running `Command { std: "docker" "start" "-a" "c232e05b746e83bad57ae88941976ec78b707b253edfab5693b132e488abfd0f", kill_on_drop: false }` [INFO] [stderr] Compiling predicates-core v1.0.2 [INFO] [stderr] Compiling escargot v0.3.1 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling treeline v0.1.0 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling float-cmp v0.8.0 [INFO] [stderr] Compiling serde_derive v1.0.126 [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 v1.0.2 [INFO] [stderr] Compiling predicates v1.0.8 [INFO] [stderr] Compiling rand_core v0.6.2 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling rand v0.8.3 [INFO] [stderr] Compiling tempfile v3.2.0 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling assert_cmd v0.10.2 [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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [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 33.35s [INFO] running `Command { std: "docker" "inspect" "c232e05b746e83bad57ae88941976ec78b707b253edfab5693b132e488abfd0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c232e05b746e83bad57ae88941976ec78b707b253edfab5693b132e488abfd0f", kill_on_drop: false }` [INFO] [stdout] c232e05b746e83bad57ae88941976ec78b707b253edfab5693b132e488abfd0f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2be9dadfd4df5d8d4a9fe4e6da824eae08503737768fb1f5b4875afba18eaed1 [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" "2be9dadfd4df5d8d4a9fe4e6da824eae08503737768fb1f5b4875afba18eaed1", 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: 1 warning emitted [INFO] [stderr] [INFO] [stdout] [INFO] [stderr] warning: unused import: `self` [INFO] [stdout] running 0 tests [INFO] [stderr] --> tests/cli.rs:5:15 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 5 | use std::io::{self, Write}; [INFO] [stdout] [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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [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: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/grss-69545b830fac78dc) [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/grss-acb479547c9f82a9) [INFO] [stdout] [INFO] [stderr] Running tests/cli.rs (/opt/rustwide/target/debug/deps/cli-778b94420a16bfb4) [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 82.21s [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" "2be9dadfd4df5d8d4a9fe4e6da824eae08503737768fb1f5b4875afba18eaed1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2be9dadfd4df5d8d4a9fe4e6da824eae08503737768fb1f5b4875afba18eaed1", kill_on_drop: false }` [INFO] [stdout] 2be9dadfd4df5d8d4a9fe4e6da824eae08503737768fb1f5b4875afba18eaed1