[INFO] cloning repository https://github.com/spebern/rate-delay-simulation [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/spebern/rate-delay-simulation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspebern%2Frate-delay-simulation", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspebern%2Frate-delay-simulation'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] be892ecf188f05edc8a315fe5c742dd00af6b4a0 [INFO] checking spebern/rate-delay-simulation against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspebern%2Frate-delay-simulation" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/spebern/rate-delay-simulation on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/spebern/rate-delay-simulation [INFO] finished tweaking git repo https://github.com/spebern/rate-delay-simulation [INFO] tweaked toml for git repo https://github.com/spebern/rate-delay-simulation written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/spebern/rate-delay-simulation already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", 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] a192d9d0c43010370da2ef8f58bb2174caabe32601f73a60ac54608ac9c8f7ef [INFO] running `Command { std: "docker" "start" "-a" "a192d9d0c43010370da2ef8f58bb2174caabe32601f73a60ac54608ac9c8f7ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a192d9d0c43010370da2ef8f58bb2174caabe32601f73a60ac54608ac9c8f7ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a192d9d0c43010370da2ef8f58bb2174caabe32601f73a60ac54608ac9c8f7ef", kill_on_drop: false }` [INFO] [stdout] a192d9d0c43010370da2ef8f58bb2174caabe32601f73a60ac54608ac9c8f7ef [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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b08cb82816f13cca91bb6149238875c6a6d4cc9fc3bb160fe3af860fa493e1b4 [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" "b08cb82816f13cca91bb6149238875c6a6d4cc9fc3bb160fe3af860fa493e1b4", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling serde v1.0.103 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking once_cell v1.2.0 [INFO] [stderr] Checking lock_api v0.3.2 [INFO] [stderr] Checking futures-channel-preview v0.3.0-alpha.19 [INFO] [stderr] Checking async-macros v2.0.0 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Checking kv-log-macro v1.0.4 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking async-task v1.0.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking regex-automata v0.1.8 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking crossbeam-channel v0.4.0 [INFO] [stderr] Checking memchr v2.2.1 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking getrandom v0.1.13 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking num_cpus v1.11.1 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking csv-core v0.1.6 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking chrono v0.4.10 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking broadcaster v0.2.6 [INFO] [stderr] Compiling proc-macro-error v0.2.6 [INFO] [stderr] Compiling serde_derive v1.0.103 [INFO] [stderr] Compiling async-attributes v1.1.1 [INFO] [stderr] Compiling structopt-derive v0.3.5 [INFO] [stderr] Compiling async-trait v0.1.21 [INFO] [stderr] Checking async-std v1.2.0 [INFO] [stderr] Checking structopt v0.3.5 [INFO] [stderr] Checking bstr v0.2.8 [INFO] [stderr] Checking csv v1.1.1 [INFO] [stderr] Checking rate-delay-simulation v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variant is never constructed: `NACK` [INFO] [stdout] --> src/channel.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | NACK(u32), [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] [stdout] warning: variant is never constructed: `NACK` [INFO] [stdout] --> src/channel.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | NACK(u32), [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 1m 26s [INFO] running `Command { std: "docker" "inspect" "b08cb82816f13cca91bb6149238875c6a6d4cc9fc3bb160fe3af860fa493e1b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b08cb82816f13cca91bb6149238875c6a6d4cc9fc3bb160fe3af860fa493e1b4", kill_on_drop: false }` [INFO] [stdout] b08cb82816f13cca91bb6149238875c6a6d4cc9fc3bb160fe3af860fa493e1b4