[INFO] fetching crate diffmetrik 0.3.0... [INFO] testing diffmetrik-0.3.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] extracting crate diffmetrik 0.3.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate diffmetrik 0.3.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate diffmetrik 0.3.0 [INFO] finished tweaking crates.io crate diffmetrik 0.3.0 [INFO] tweaked toml for crates.io crate diffmetrik 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate crates.io crate diffmetrik 0.3.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded unicode-width v0.1.7 [INFO] [stderr] Downloaded proc-macro-error-attr v0.4.3 [INFO] [stderr] Downloaded rustversion v1.0.1 [INFO] [stderr] Downloaded syn-mid v0.4.0 [INFO] [stderr] Downloaded heck v0.3.1 [INFO] [stderr] Downloaded human_format v1.0.3 [INFO] [stderr] Downloaded structopt v0.3.7 [INFO] [stderr] Downloaded structopt-derive v0.4.0 [INFO] [stderr] Downloaded backtrace v0.3.41 [INFO] [stderr] Downloaded unicode-segmentation v1.6.0 [INFO] [stderr] Downloaded sysctl v0.4.0 [INFO] [stderr] Downloaded proc-macro-error v0.4.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4b1510c0ce11ea3d994895961e9970e0494602057f7ef92f219fc52bc711ed32 [INFO] running `Command { std: "docker" "start" "-a" "4b1510c0ce11ea3d994895961e9970e0494602057f7ef92f219fc52bc711ed32", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4b1510c0ce11ea3d994895961e9970e0494602057f7ef92f219fc52bc711ed32", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b1510c0ce11ea3d994895961e9970e0494602057f7ef92f219fc52bc711ed32", kill_on_drop: false }` [INFO] [stdout] 4b1510c0ce11ea3d994895961e9970e0494602057f7ef92f219fc52bc711ed32 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c4dc1c8661329dbd9149a1dcc733af513f86ded7e905f7b749c67ea52defc250 [INFO] running `Command { std: "docker" "start" "-a" "c4dc1c8661329dbd9149a1dcc733af513f86ded7e905f7b749c67ea52defc250", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.7 [INFO] [stderr] Compiling syn v1.0.13 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling human_format v1.0.3 [INFO] [stderr] Compiling fs2 v0.4.3 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Compiling backtrace v0.3.41 [INFO] [stderr] Compiling syn-mid v0.4.0 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling rustversion v1.0.1 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling proc-macro-error v0.4.4 [INFO] [stderr] Compiling proc-macro-error-attr v0.4.3 [INFO] [stderr] Compiling failure v0.1.6 [INFO] [stderr] Compiling sysctl v0.4.0 [INFO] [stderr] Compiling structopt-derive v0.4.0 [INFO] [stderr] Compiling structopt v0.3.7 [INFO] [stderr] Compiling serde_json v1.0.44 [INFO] [stderr] Compiling diffmetrik v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary braces around method argument [INFO] [stdout] --> src/metrics/network.rs:260:14 [INFO] [stdout] | [INFO] [stdout] 260 | .map({ |line| LinuxProcNetDevLine::new(line) }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around method argument [INFO] [stdout] --> src/metrics/network.rs:259:17 [INFO] [stdout] | [INFO] [stdout] 259 | .filter({ |line| line.starts_with("eth") }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around method argument [INFO] [stdout] --> src/metrics/network.rs:258:14 [INFO] [stdout] | [INFO] [stdout] 258 | .map({ |line| line.trim() }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around method argument [INFO] [stdout] --> src/metrics/mod.rs:63:38 [INFO] [stdout] | [INFO] [stdout] 63 | metrics.sort_unstable_by_key({ |a| a.time }); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 24.74s [INFO] running `Command { std: "docker" "inspect" "c4dc1c8661329dbd9149a1dcc733af513f86ded7e905f7b749c67ea52defc250", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c4dc1c8661329dbd9149a1dcc733af513f86ded7e905f7b749c67ea52defc250", kill_on_drop: false }` [INFO] [stdout] c4dc1c8661329dbd9149a1dcc733af513f86ded7e905f7b749c67ea52defc250 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1a94bc9db0ff207490e5383ff9b45b20f7f89368bcbbfe473697e4553a579caf [INFO] running `Command { std: "docker" "start" "-a" "1a94bc9db0ff207490e5383ff9b45b20f7f89368bcbbfe473697e4553a579caf", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling diffmetrik v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary braces around method argument [INFO] [stdout] --> src/metrics/network.rs:260:14 [INFO] [stdout] | [INFO] [stdout] 260 | .map({ |line| LinuxProcNetDevLine::new(line) }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around method argument [INFO] [stdout] --> src/metrics/network.rs:259:17 [INFO] [stdout] | [INFO] [stdout] 259 | .filter({ |line| line.starts_with("eth") }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around method argument [INFO] [stdout] --> src/metrics/network.rs:258:14 [INFO] [stdout] | [INFO] [stdout] 258 | .map({ |line| line.trim() }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around method argument [INFO] [stdout] --> src/metrics/mod.rs:63:38 [INFO] [stdout] | [INFO] [stdout] 63 | metrics.sort_unstable_by_key({ |a| a.time }); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/storage/mod.rs:226:38 [INFO] [stdout] | [INFO] [stdout] 226 | Err(e) => assert!(false, format!("error resetting file: {}", e)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the assert!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 226 | Err(e) => assert!(false, "error resetting file: {}", e), [INFO] [stdout] | -- -- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/storage/mod.rs:249:38 [INFO] [stdout] | [INFO] [stdout] 249 | Err(e) => assert!(false, format!("writing failed with {}", e)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the assert!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 249 | Err(e) => assert!(false, "writing failed with {}", e), [INFO] [stdout] | -- -- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/storage/mod.rs:296:38 [INFO] [stdout] | [INFO] [stdout] 296 | Err(e) => assert!(false, format!("error reading: {}", e)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the assert!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 296 | Err(e) => assert!(false, "error reading: {}", e), [INFO] [stdout] | -- -- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.35s [INFO] running `Command { std: "docker" "inspect" "1a94bc9db0ff207490e5383ff9b45b20f7f89368bcbbfe473697e4553a579caf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a94bc9db0ff207490e5383ff9b45b20f7f89368bcbbfe473697e4553a579caf", kill_on_drop: false }` [INFO] [stdout] 1a94bc9db0ff207490e5383ff9b45b20f7f89368bcbbfe473697e4553a579caf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] cf8698a349a821ae95d97d7eccce7917321fa8f2f8eeed16f434debe676deb51 [INFO] running `Command { std: "docker" "start" "-a" "cf8698a349a821ae95d97d7eccce7917321fa8f2f8eeed16f434debe676deb51", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary braces around method argument [INFO] [stderr] --> src/metrics/network.rs:260:14 [INFO] [stderr] | [INFO] [stderr] 260 | .map({ |line| LinuxProcNetDevLine::new(line) }) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_braces)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary braces around method argument [INFO] [stderr] --> src/metrics/network.rs:259:17 [INFO] [stderr] | [INFO] [stderr] 259 | .filter({ |line| line.starts_with("eth") }) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stderr] [INFO] [stderr] warning: unnecessary braces around method argument [INFO] [stderr] --> src/metrics/network.rs:258:14 [INFO] [stderr] | [INFO] [stderr] 258 | .map({ |line| line.trim() }) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stderr] [INFO] [stderr] warning: unnecessary braces around method argument [INFO] [stderr] --> src/metrics/mod.rs:63:38 [INFO] [stderr] | [INFO] [stderr] 63 | metrics.sort_unstable_by_key({ |a| a.time }); [INFO] [stderr] | ^^^^^^^^^^^^^^ help: remove these braces [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/storage/mod.rs:226:38 [INFO] [stderr] | [INFO] [stderr] 226 | Err(e) => assert!(false, format!("error resetting file: {}", e)), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stderr] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: the assert!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stderr] help: remove the `format!(..)` macro call [INFO] [stderr] | [INFO] [stderr] 226 | Err(e) => assert!(false, "error resetting file: {}", e), [INFO] [stderr] | -- -- [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/storage/mod.rs:249:38 [INFO] [stderr] | [INFO] [stderr] 249 | Err(e) => assert!(false, format!("writing failed with {}", e)), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: the assert!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stderr] help: remove the `format!(..)` macro call [INFO] [stderr] | [INFO] [stderr] 249 | Err(e) => assert!(false, "writing failed with {}", e), [INFO] [stderr] | -- -- [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/storage/mod.rs:296:38 [INFO] [stderr] | [INFO] [stderr] 296 | Err(e) => assert!(false, format!("error reading: {}", e)), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: the assert!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stderr] help: remove the `format!(..)` macro call [INFO] [stderr] | [INFO] [stderr] 296 | Err(e) => assert!(false, "error reading: {}", e), [INFO] [stderr] | -- -- [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/diffmetrik-0d02471d2c0b77f1) [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test metrics::network::tests::test_formatter ... ok [INFO] [stdout] test metrics::network::tests::test_linux ... ok [INFO] [stdout] test storage::tests::path_set_correctly ... ok [INFO] [stdout] test storage::tests::file_write ... ok [INFO] [stdout] test storage::tests::file_reset ... ok [INFO] [stdout] test storage::tests::file_read ... ok [INFO] [stdout] test storage::tests::file_write_len ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "cf8698a349a821ae95d97d7eccce7917321fa8f2f8eeed16f434debe676deb51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf8698a349a821ae95d97d7eccce7917321fa8f2f8eeed16f434debe676deb51", kill_on_drop: false }` [INFO] [stdout] cf8698a349a821ae95d97d7eccce7917321fa8f2f8eeed16f434debe676deb51