[INFO] cloning repository https://github.com/gwik/rust-delay-queue-timer-bug [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gwik/rust-delay-queue-timer-bug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgwik%2Frust-delay-queue-timer-bug", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgwik%2Frust-delay-queue-timer-bug'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f172775b5baa3ec16be310c2f916268f001fb6d9 [INFO] checking gwik/rust-delay-queue-timer-bug against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgwik%2Frust-delay-queue-timer-bug" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/gwik/rust-delay-queue-timer-bug on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/gwik/rust-delay-queue-timer-bug [INFO] finished tweaking git repo https://github.com/gwik/rust-delay-queue-timer-bug [INFO] tweaked toml for git repo https://github.com/gwik/rust-delay-queue-timer-bug written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/gwik/rust-delay-queue-timer-bug already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio-executor v0.1.8 [INFO] [stderr] Downloaded tokio-sync v0.1.7 [INFO] [stderr] Downloaded tokio v0.1.22 [INFO] [stderr] Downloaded memoffset v0.5.1 [INFO] [stderr] Downloaded tokio-reactor v0.1.10 [INFO] [stderr] Downloaded tokio-current-thread v0.1.6 [INFO] [stderr] Downloaded tokio-tcp v0.1.3 [INFO] [stderr] Downloaded crossbeam-epoch v0.7.2 [INFO] [stderr] Downloaded tokio-timer v0.2.11 [INFO] [stderr] Downloaded tokio-fs v0.1.6 [INFO] [stderr] Downloaded parking_lot_core v0.6.2 [INFO] [stderr] Downloaded tokio-threadpool v0.1.16 [INFO] [stderr] Downloaded tokio-udp v0.1.5 [INFO] [stderr] Downloaded mio v0.6.19 [INFO] [stderr] Downloaded parking_lot v0.9.0 [INFO] [stderr] Downloaded num_cpus v1.10.1 [INFO] [stderr] Downloaded lock_api v0.3.1 [INFO] [stderr] Downloaded smallvec v0.6.10 [INFO] [stderr] Downloaded tokio-io v0.1.12 [INFO] [stderr] Downloaded tokio-uds v0.2.5 [INFO] [stderr] Downloaded libc v0.2.64 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c20294ffebd4b19808cc3ef2197e192f6fd888438e95baadd74079aff080e77e [INFO] running `Command { std: "docker" "start" "-a" "c20294ffebd4b19808cc3ef2197e192f6fd888438e95baadd74079aff080e77e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c20294ffebd4b19808cc3ef2197e192f6fd888438e95baadd74079aff080e77e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c20294ffebd4b19808cc3ef2197e192f6fd888438e95baadd74079aff080e77e", kill_on_drop: false }` [INFO] [stdout] c20294ffebd4b19808cc3ef2197e192f6fd888438e95baadd74079aff080e77e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2a370d870fb33a6a3f11efab50927b3510fce1563fd360a796eea2e2590f9849 [INFO] running `Command { std: "docker" "start" "-a" "2a370d870fb33a6a3f11efab50927b3510fce1563fd360a796eea2e2590f9849", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.64 [INFO] [stderr] Checking futures v0.1.29 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking smallvec v0.6.10 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking lock_api v0.3.1 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking tokio-executor v0.1.8 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking tokio-sync v0.1.7 [INFO] [stderr] Checking tokio-threadpool v0.1.16 [INFO] [stderr] Checking tokio-timer v0.2.11 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking tokio-reactor v0.1.10 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking tokio-fs v0.1.6 [INFO] [stderr] Checking tokio-udp v0.1.5 [INFO] [stderr] Checking tokio-uds v0.2.5 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking delay-queue-bug v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `DelayWrapper` is never constructed [INFO] [stdout] --> src/lib.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | struct DelayWrapper { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `split` is never used [INFO] [stdout] --> src/lib.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 13 | impl DelayWrapper { [INFO] [stdout] | ----------------- method in this implementation [INFO] [stdout] 14 | fn split(self) -> (DelaySink, DelayStream) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `DelayStream` is never constructed [INFO] [stdout] --> src/lib.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 20 | struct DelayStream(BiLock); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `DelaySink` is never constructed [INFO] [stdout] --> src/lib.rs:53:8 [INFO] [stdout] | [INFO] [stdout] 53 | struct DelaySink(BiLock); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:137:71 [INFO] [stdout] | [INFO] [stdout] 137 | sink.send_all(input).map(|_| ()).map_err(|err| panic!(err)) [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: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{:?}" format string to use the `Debug` implementation of `()` [INFO] [stdout] | [INFO] [stdout] 137 | sink.send_all(input).map(|_| ()).map_err(|err| panic!("{:?}", err)) [INFO] [stdout] | +++++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 137 | sink.send_all(input).map(|_| ()).map_err(|err| std::panic::panic_any(err)) [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:144:39 [INFO] [stdout] | [INFO] [stdout] 144 | .map_err(|err| panic!(err)) [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] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 144 | .map_err(|err| panic!("{}", err)) [INFO] [stdout] | +++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 144 | .map_err(|err| std::panic::panic_any(err)) [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.40s [INFO] running `Command { std: "docker" "inspect" "2a370d870fb33a6a3f11efab50927b3510fce1563fd360a796eea2e2590f9849", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a370d870fb33a6a3f11efab50927b3510fce1563fd360a796eea2e2590f9849", kill_on_drop: false }` [INFO] [stdout] 2a370d870fb33a6a3f11efab50927b3510fce1563fd360a796eea2e2590f9849