[INFO] fetching crate cli-grep 0.1.2... [INFO] testing cli-grep-0.1.2 against 1.49.0 for beta-1.50-1 [INFO] extracting crate cli-grep 0.1.2 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate cli-grep 0.1.2 on toolchain 1.49.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate cli-grep 0.1.2 [INFO] finished tweaking crates.io crate cli-grep 0.1.2 [INFO] tweaked toml for crates.io crate cli-grep 0.1.2 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate crates.io crate cli-grep 0.1.2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2cced172a0146a4c8a5cc3048f0fc9f566a71c8516abd994a4d2b48bfab47b55 [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" "2cced172a0146a4c8a5cc3048f0fc9f566a71c8516abd994a4d2b48bfab47b55", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2cced172a0146a4c8a5cc3048f0fc9f566a71c8516abd994a4d2b48bfab47b55", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2cced172a0146a4c8a5cc3048f0fc9f566a71c8516abd994a4d2b48bfab47b55", kill_on_drop: false }` [INFO] [stdout] 2cced172a0146a4c8a5cc3048f0fc9f566a71c8516abd994a4d2b48bfab47b55 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c11aa833a2557202cef7b019cb0697b192e1c18ad5ffba2983f68a3e88e81079 [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" "c11aa833a2557202cef7b019cb0697b192e1c18ad5ffba2983f68a3e88e81079", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling syn v1.0.8 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling cc v1.0.47 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Compiling quick-error v1.2.2 [INFO] [stderr] Compiling termcolor v1.0.5 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling aho-corasick v0.7.6 [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 backtrace v0.3.40 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stderr] Compiling console v0.9.1 [INFO] [stderr] Compiling env_logger v0.7.1 [INFO] [stderr] Compiling indicatif v0.13.0 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling proc-macro-error v0.2.6 [INFO] [stderr] Compiling structopt-derive v0.3.5 [INFO] [stderr] Compiling failure v0.1.6 [INFO] [stderr] Compiling exitfailure v0.5.1 [INFO] [stderr] Compiling structopt v0.3.5 [INFO] [stderr] Compiling cli-grep v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | writeln!(writter, "{}", 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 a macro (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 57.69s [INFO] running `Command { std: "docker" "inspect" "c11aa833a2557202cef7b019cb0697b192e1c18ad5ffba2983f68a3e88e81079", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c11aa833a2557202cef7b019cb0697b192e1c18ad5ffba2983f68a3e88e81079", kill_on_drop: false }` [INFO] [stdout] c11aa833a2557202cef7b019cb0697b192e1c18ad5ffba2983f68a3e88e81079 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 25fe62b72260532bd25868d173ef2b1501391a9e63b835eb1a514b2ad54b14e2 [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" "25fe62b72260532bd25868d173ef2b1501391a9e63b835eb1a514b2ad54b14e2", kill_on_drop: false }` [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling escargot v0.3.1 [INFO] [stderr] Compiling predicates-core v1.0.0 [INFO] [stderr] Compiling treeline v0.1.0 [INFO] [stderr] Compiling normalize-line-endings v0.2.2 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Compiling serde_derive v1.0.102 [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | writeln!(writter, "{}", 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 a macro (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 v1.0.0 [INFO] [stderr] Compiling rand_core v0.5.1 [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 v1.0.102 [INFO] [stderr] Compiling serde_json v1.0.41 [INFO] [stderr] Compiling assert_cmd v0.10.2 [INFO] [stderr] Compiling cli-grep v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> tests/cli.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 3 | 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] [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] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | writeln!(writter, "{}", 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 a macro (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 42.49s [INFO] running `Command { std: "docker" "inspect" "25fe62b72260532bd25868d173ef2b1501391a9e63b835eb1a514b2ad54b14e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25fe62b72260532bd25868d173ef2b1501391a9e63b835eb1a514b2ad54b14e2", kill_on_drop: false }` [INFO] [stdout] 25fe62b72260532bd25868d173ef2b1501391a9e63b835eb1a514b2ad54b14e2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4b0ef508600dfcc035de31de4630ae3ae776b379b9cccc67f690143557250e0a [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" "4b0ef508600dfcc035de31de4630ae3ae776b379b9cccc67f690143557250e0a", kill_on_drop: false }` [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:4:13 [INFO] [stderr] | [INFO] [stderr] 4 | writeln!(writter, "{}", 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 a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:4:13 [INFO] [stderr] | [INFO] [stderr] 4 | writeln!(writter, "{}", 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 a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: unused import: `self` [INFO] [stderr] --> tests/cli.rs:3:15 [INFO] [stderr] | [INFO] [stderr] 3 | 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] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> tests/cli.rs:20:45 [INFO] [stderr] | [INFO] [stderr] 20 | fn find_content_in_file() -> Result<(), Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.14s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/cli_grep-ccfc5b09d2f581ed [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 [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/cli_grep-01f46d2e8af3ccc4 [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test find_a_match ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/cli-c11aa99c8ff7f276 [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test find_content_in_file ... test find_content_in_file has been running for over 60 seconds [INFO] [stdout] test file_doesnt_exist ... test file_doesnt_exist has been running for over 60 seconds [INFO] [stdout] test find_content_in_file ... ok [INFO] [stderr] Doc-tests cli-grep [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 [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 [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "4b0ef508600dfcc035de31de4630ae3ae776b379b9cccc67f690143557250e0a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b0ef508600dfcc035de31de4630ae3ae776b379b9cccc67f690143557250e0a", kill_on_drop: false }` [INFO] [stdout] 4b0ef508600dfcc035de31de4630ae3ae776b379b9cccc67f690143557250e0a