[INFO] fetching crate librist-rust 0.1.0...
[INFO] checking librist-rust-0.1.0 against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] extracting crate librist-rust 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate librist-rust 0.1.0 on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate librist-rust 0.1.0
[INFO] finished tweaking crates.io crate librist-rust 0.1.0
[INFO] tweaked toml for crates.io crate librist-rust 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate librist-rust 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded librist-sys v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60f23201a70ebc2b3a02b9425e1e5c136633078562e64a445c4744cd11ddd0ac
[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" "60f23201a70ebc2b3a02b9425e1e5c136633078562e64a445c4744cd11ddd0ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60f23201a70ebc2b3a02b9425e1e5c136633078562e64a445c4744cd11ddd0ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60f23201a70ebc2b3a02b9425e1e5c136633078562e64a445c4744cd11ddd0ac", kill_on_drop: false }`
[INFO] [stdout] 60f23201a70ebc2b3a02b9425e1e5c136633078562e64a445c4744cd11ddd0ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49f6fadc02dc94f75f9763de82082172ef7f51783615b3c48e0f485acd603438
[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" "49f6fadc02dc94f75f9763de82082172ef7f51783615b3c48e0f485acd603438", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]     Checking odds v0.2.26
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]     Checking arrayvec v0.3.25
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]     Checking hexdump v0.1.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling bindgen v0.54.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling librist-sys v0.3.0
[INFO] [stderr]     Checking librist-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `RistError`
[INFO] [stdout]  --> examples/receiver.rs:1:85
[INFO] [stdout]   |
[INFO] [stdout] 1 | use librist_rust::{LoggingSettings, LogLevel, ReceiverContext, Profile, PeerConfig, RistError, DataReadResponse};
[INFO] [stdout]   |                                                                                     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> examples/receiver.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     ctx.start();
[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 dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "49f6fadc02dc94f75f9763de82082172ef7f51783615b3c48e0f485acd603438", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49f6fadc02dc94f75f9763de82082172ef7f51783615b3c48e0f485acd603438", kill_on_drop: false }`
[INFO] [stdout] 49f6fadc02dc94f75f9763de82082172ef7f51783615b3c48e0f485acd603438
