[INFO] cloning repository https://github.com/mvirkkunen/serial-threadmark [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mvirkkunen/serial-threadmark" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmvirkkunen%2Fserial-threadmark", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmvirkkunen%2Fserial-threadmark'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 465f09f9e020d57489154dcf81c27b8f417322dc [INFO] testing mvirkkunen/serial-threadmark against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmvirkkunen%2Fserial-threadmark" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mvirkkunen/serial-threadmark on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mvirkkunen/serial-threadmark [INFO] finished tweaking git repo https://github.com/mvirkkunen/serial-threadmark [INFO] tweaked toml for git repo https://github.com/mvirkkunen/serial-threadmark written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/mvirkkunen/serial-threadmark already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c050a7e4e030d6204e985af09046bfe9f7b114216ad61eedc6de3ea37336d140 [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" "c050a7e4e030d6204e985af09046bfe9f7b114216ad61eedc6de3ea37336d140", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c050a7e4e030d6204e985af09046bfe9f7b114216ad61eedc6de3ea37336d140", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c050a7e4e030d6204e985af09046bfe9f7b114216ad61eedc6de3ea37336d140", kill_on_drop: false }` [INFO] [stdout] c050a7e4e030d6204e985af09046bfe9f7b114216ad61eedc6de3ea37336d140 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6d309de7f97f08f4888c0633f3c75292beb823a305447240a80a69c66cdcb2f5 [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" "6d309de7f97f08f4888c0633f3c75292beb823a305447240a80a69c66cdcb2f5", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling rand_core v0.4.0 [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Compiling pkg-config v0.3.14 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling libudev v0.2.0 [INFO] [stderr] Compiling serialport v3.3.0 [INFO] [stderr] Compiling serial-threadmark v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:32:32 [INFO] [stdout] | [INFO] [stdout] 32 | Err(err) => panic!(err), [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] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 32 | Err(err) => panic!("{}", err), [INFO] [stdout] | +++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 32 | Err(err) => std::panic::panic_any(err), [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | tx_port.set_timeout(Duration::from_secs(1)); [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] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 19.33s [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "6d309de7f97f08f4888c0633f3c75292beb823a305447240a80a69c66cdcb2f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6d309de7f97f08f4888c0633f3c75292beb823a305447240a80a69c66cdcb2f5", kill_on_drop: false }` [INFO] [stdout] 6d309de7f97f08f4888c0633f3c75292beb823a305447240a80a69c66cdcb2f5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5147f07c9e9f1a159ea69b5e4ff14fef3d014838b157438e3a9f4b732562627f [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" "5147f07c9e9f1a159ea69b5e4ff14fef3d014838b157438e3a9f4b732562627f", kill_on_drop: false }` [INFO] [stderr] Compiling serial-threadmark v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:32:32 [INFO] [stdout] | [INFO] [stdout] 32 | Err(err) => panic!(err), [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] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 32 | Err(err) => panic!("{}", err), [INFO] [stdout] | +++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 32 | Err(err) => std::panic::panic_any(err), [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | tx_port.set_timeout(Duration::from_secs(1)); [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] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.96s [INFO] running `Command { std: "docker" "inspect" "5147f07c9e9f1a159ea69b5e4ff14fef3d014838b157438e3a9f4b732562627f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5147f07c9e9f1a159ea69b5e4ff14fef3d014838b157438e3a9f4b732562627f", kill_on_drop: false }` [INFO] [stdout] 5147f07c9e9f1a159ea69b5e4ff14fef3d014838b157438e3a9f4b732562627f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7f74f9a0967aa0681903d5ffdeced329304c01b04cc5f4b05648eb938ea3ac8b [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" "7f74f9a0967aa0681903d5ffdeced329304c01b04cc5f4b05648eb938ea3ac8b", kill_on_drop: false }` [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/main.rs:32:32 [INFO] [stderr] | [INFO] [stderr] 32 | Err(err) => panic!(err), [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] help: add a "{}" format string to Display the message [INFO] [stderr] | [INFO] [stderr] 32 | Err(err) => panic!("{}", err), [INFO] [stderr] | +++++ [INFO] [stderr] help: or use std::panic::panic_any instead [INFO] [stderr] | [INFO] [stderr] 32 | Err(err) => std::panic::panic_any(err), [INFO] [stderr] | ~~~~~~~~~~~~~~~~~~~~~ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:25:5 [INFO] [stderr] | [INFO] [stderr] 25 | tx_port.set_timeout(Duration::from_secs(1)); [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] [INFO] [stderr] warning: `serial-threadmark` (bin "serial-threadmark" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/serial_threadmark-7e852158f55510a6) [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" "7f74f9a0967aa0681903d5ffdeced329304c01b04cc5f4b05648eb938ea3ac8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f74f9a0967aa0681903d5ffdeced329304c01b04cc5f4b05648eb938ea3ac8b", kill_on_drop: false }` [INFO] [stdout] 7f74f9a0967aa0681903d5ffdeced329304c01b04cc5f4b05648eb938ea3ac8b