[INFO] updating cached repository https://github.com/e-max/serial_console
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7ddb59a2c72195048bf002ee18eb3d2ad3cf84a8
[INFO] testing e-max/serial_console against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fe-max%2Fserial_console" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/e-max/serial_console on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/e-max/serial_console
[INFO] finished tweaking git repo https://github.com/e-max/serial_console
[INFO] tweaked toml for git repo https://github.com/e-max/serial_console written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/e-max/serial_console already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27c944d21d59d5c36f2b31130ff86377ffc5bff00a7a0d744726b821a4c97514
[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" "27c944d21d59d5c36f2b31130ff86377ffc5bff00a7a0d744726b821a4c97514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27c944d21d59d5c36f2b31130ff86377ffc5bff00a7a0d744726b821a4c97514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27c944d21d59d5c36f2b31130ff86377ffc5bff00a7a0d744726b821a4c97514", kill_on_drop: false }`
[INFO] [stdout] 27c944d21d59d5c36f2b31130ff86377ffc5bff00a7a0d744726b821a4c97514
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08ebb7c906c93649e6359dde00548bfbcd0c0ba6e126ccf4ea2466ef50fc39d6
[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" "08ebb7c906c93649e6359dde00548bfbcd0c0ba6e126ccf4ea2466ef50fc39d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling serde v1.0.107
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling heapless v0.5.5
[INFO] [stderr]    Compiling postcard-cobs v0.1.5-pre
[INFO] [stderr]    Compiling async-task v3.0.0
[INFO] [stderr]    Compiling scoped-tls-hkt v0.1.2
[INFO] [stderr]    Compiling smallstr v0.2.0
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling lexical-core v0.6.2
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling as-slice v0.1.3
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling libudev v0.2.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling terminfo v0.7.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.13
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling serde_derive v1.0.107
[INFO] [stderr]    Compiling serialport v3.3.0
[INFO] [stderr]    Compiling mio-serial v3.3.1
[INFO] [stderr]    Compiling pin-project v0.4.13
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling mortal v0.2.2
[INFO] [stderr]    Compiling linefeed v0.6.0
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling piper v0.1.1
[INFO] [stderr]    Compiling smol v0.1.4
[INFO] [stderr]    Compiling serde_json v1.0.52
[INFO] [stderr]    Compiling postcard v0.5.0
[INFO] [stderr]    Compiling serial_console v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum is never used: `Message`
[INFO] [stdout]  --> src/lib.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum Message {
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 02s
[INFO] running `Command { std: "docker" "inspect" "08ebb7c906c93649e6359dde00548bfbcd0c0ba6e126ccf4ea2466ef50fc39d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08ebb7c906c93649e6359dde00548bfbcd0c0ba6e126ccf4ea2466ef50fc39d6", kill_on_drop: false }`
[INFO] [stdout] 08ebb7c906c93649e6359dde00548bfbcd0c0ba6e126ccf4ea2466ef50fc39d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 679694519e01440c488b6a2fa31c86016d5603e79e4367b7d2d4da0c0f1934f8
[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" "679694519e01440c488b6a2fa31c86016d5603e79e4367b7d2d4da0c0f1934f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling oorandom v11.1.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling plotters v0.2.14
[INFO] [stderr]    Compiling criterion-plot v0.4.2
[INFO] [stderr]    Compiling tinytemplate v1.0.4
[INFO] [stdout] warning: enum is never used: `Message`
[INFO] [stdout]  --> src/lib.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum Message {
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling bstr v0.2.12
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling criterion v0.3.2
[INFO] [stderr]    Compiling serial_console v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum is never used: `Message`
[INFO] [stdout]  --> src/lib.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum Message {
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 36.02s
[INFO] running `Command { std: "docker" "inspect" "679694519e01440c488b6a2fa31c86016d5603e79e4367b7d2d4da0c0f1934f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "679694519e01440c488b6a2fa31c86016d5603e79e4367b7d2d4da0c0f1934f8", kill_on_drop: false }`
[INFO] [stdout] 679694519e01440c488b6a2fa31c86016d5603e79e4367b7d2d4da0c0f1934f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 38b1895fccbf790314cac7b9ae3a48fb44f39becd6f9fb74d986a780e4587620
[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" "38b1895fccbf790314cac7b9ae3a48fb44f39becd6f9fb74d986a780e4587620", kill_on_drop: false }`
[INFO] [stderr] warning: enum is never used: `Message`
[INFO] [stderr]  --> src/lib.rs:3:6
[INFO] [stderr]   |
[INFO] [stderr] 3 | enum Message {
[INFO] [stderr]   |      ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Message`
[INFO] [stderr]  --> src/lib.rs:3:6
[INFO] [stderr]   |
[INFO] [stderr] 3 | enum Message {
[INFO] [stderr]   |      ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serial_console-615c32d07a2e7316
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serial_console-a735bef8d5e334f2
[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] [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]    Doc-tests serial_console
[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" "38b1895fccbf790314cac7b9ae3a48fb44f39becd6f9fb74d986a780e4587620", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38b1895fccbf790314cac7b9ae3a48fb44f39becd6f9fb74d986a780e4587620", kill_on_drop: false }`
[INFO] [stdout] 38b1895fccbf790314cac7b9ae3a48fb44f39becd6f9fb74d986a780e4587620