[INFO] cloning repository https://github.com/peter-bertok/float_fast_print [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/peter-bertok/float_fast_print" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeter-bertok%2Ffloat_fast_print", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeter-bertok%2Ffloat_fast_print'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6bb467250096f008c354de08c69f3325d9d03e0a [INFO] testing peter-bertok/float_fast_print against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeter-bertok%2Ffloat_fast_print" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/peter-bertok/float_fast_print 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 git repo https://github.com/peter-bertok/float_fast_print [INFO] finished tweaking git repo https://github.com/peter-bertok/float_fast_print [INFO] tweaked toml for git repo https://github.com/peter-bertok/float_fast_print written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/peter-bertok/float_fast_print 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] 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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c9ffbbe3196df46bd06d14a1b158842a0c47fb107606ddf23f06773da2f997e1 [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" "c9ffbbe3196df46bd06d14a1b158842a0c47fb107606ddf23f06773da2f997e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c9ffbbe3196df46bd06d14a1b158842a0c47fb107606ddf23f06773da2f997e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c9ffbbe3196df46bd06d14a1b158842a0c47fb107606ddf23f06773da2f997e1", kill_on_drop: false }` [INFO] [stdout] c9ffbbe3196df46bd06d14a1b158842a0c47fb107606ddf23f06773da2f997e1 [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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] 4f4bab9ff52105da1fedf0661b0f025e7c8fe7ec19252d6dbe4df010a272ff05 [INFO] running `Command { std: "docker" "start" "-a" "4f4bab9ff52105da1fedf0661b0f025e7c8fe7ec19252d6dbe4df010a272ff05", kill_on_drop: false }` [INFO] [stderr] Compiling float_fast_print v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.20s [INFO] running `Command { std: "docker" "inspect" "4f4bab9ff52105da1fedf0661b0f025e7c8fe7ec19252d6dbe4df010a272ff05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f4bab9ff52105da1fedf0661b0f025e7c8fe7ec19252d6dbe4df010a272ff05", kill_on_drop: false }` [INFO] [stdout] 4f4bab9ff52105da1fedf0661b0f025e7c8fe7ec19252d6dbe4df010a272ff05 [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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] 135f2f8a12c2441d6807c590f5357a2f902c23c1bbf1aa672e5f5dcbc0dd67e0 [INFO] running `Command { std: "docker" "start" "-a" "135f2f8a12c2441d6807c590f5357a2f902c23c1bbf1aa672e5f5dcbc0dd67e0", kill_on_drop: false }` [INFO] [stderr] Compiling rand v0.5.4 [INFO] [stderr] Compiling float_fast_print v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> tests/benchmarks.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | write!(&mut buffer, "{:?}", x); [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 `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> tests/benchmarks.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | write!(&mut buffer, "{}", x); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> tests/benchmarks.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | write!(&mut buffer, "{:?}", x); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> tests/benchmarks.rs:50:9 [INFO] [stdout] | [INFO] [stdout] 50 | write!(&mut buffer, "{}", x); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.85s [INFO] running `Command { std: "docker" "inspect" "135f2f8a12c2441d6807c590f5357a2f902c23c1bbf1aa672e5f5dcbc0dd67e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "135f2f8a12c2441d6807c590f5357a2f902c23c1bbf1aa672e5f5dcbc0dd67e0", kill_on_drop: false }` [INFO] [stdout] 135f2f8a12c2441d6807c590f5357a2f902c23c1bbf1aa672e5f5dcbc0dd67e0 [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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] eba4841ce28e580a4a046fac1dcbf86565224e362f0497ef9b82fa225f47a0c1 [INFO] running `Command { std: "docker" "start" "-a" "eba4841ce28e580a4a046fac1dcbf86565224e362f0497ef9b82fa225f47a0c1", kill_on_drop: false }` [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> tests/benchmarks.rs:17:9 [INFO] [stderr] | [INFO] [stderr] 17 | write!(&mut buffer, "{:?}", x); [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 `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> tests/benchmarks.rs:28:9 [INFO] [stderr] | [INFO] [stderr] 28 | write!(&mut buffer, "{}", x); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> tests/benchmarks.rs:39:9 [INFO] [stderr] | [INFO] [stderr] 39 | write!(&mut buffer, "{:?}", x); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> tests/benchmarks.rs:50:9 [INFO] [stderr] | [INFO] [stderr] 50 | write!(&mut buffer, "{}", x); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/float_fast_print-a768621c7b0f877a) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test tests::f32_special_cases_roundtrip ... ok [INFO] [stderr] Running tests/benchmarks.rs (/opt/rustwide/target/debug/deps/benchmarks-b7d9c7e23a519337) [INFO] [stdout] test tests::f32_special_cases ... ok [INFO] [stdout] test tests::f64_special_cases ... ok [INFO] [stdout] test tests::f64_special_cases_roundtrip ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test bench_f64_format ... ok [INFO] [stdout] test bench_write_f64_shortest ... ok [INFO] [stdout] test bench_f32_debug ... ok [INFO] [stdout] test bench_write_f32_shortest ... ok [INFO] [stdout] test bench_f32_format ... ok [INFO] [stdout] test bench_f64_debug ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/exhaustive.rs (/opt/rustwide/target/debug/deps/exhaustive-fb37d24198b63fbc) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test f32_test_exhaustive_roundtrip ... ignored [INFO] [stdout] test f64_test_many_roundtrip ... ignored [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests float_fast_print [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - write_f32_shortest (line 195) ... ok [INFO] [stdout] test src/lib.rs - write_f64_shortest (line 428) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.77s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "eba4841ce28e580a4a046fac1dcbf86565224e362f0497ef9b82fa225f47a0c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eba4841ce28e580a4a046fac1dcbf86565224e362f0497ef9b82fa225f47a0c1", kill_on_drop: false }` [INFO] [stdout] eba4841ce28e580a4a046fac1dcbf86565224e362f0497ef9b82fa225f47a0c1