[INFO] cloning repository https://github.com/19h/zuse
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/19h/zuse" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F19h%2Fzuse", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F19h%2Fzuse'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c309200726a3d3f25b90021e2509a4b9f6e384e
[INFO] testing 19h/zuse against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F19h%2Fzuse" "/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/19h/zuse on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/19h/zuse
[INFO] finished tweaking git repo https://github.com/19h/zuse
[INFO] tweaked toml for git repo https://github.com/19h/zuse written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/19h/zuse already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anyhow v1.0.28
[INFO] [stderr]   Downloaded rusoto_signature v0.43.0
[INFO] [stderr]   Downloaded rusoto_core v0.43.0
[INFO] [stderr]   Downloaded standback v0.2.2
[INFO] [stderr]   Downloaded mpmc v0.1.5
[INFO] [stderr]   Downloaded rusoto_sts v0.43.0
[INFO] [stderr]   Downloaded rusoto_credential v0.43.0
[INFO] [stderr]   Downloaded rusoto_sns v0.43.0
[INFO] [stderr]   Downloaded time v0.2.9
[INFO] [stderr]   Downloaded openssl-src v111.9.0+1.1.1g
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "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] ea2650c89daccbf0ce369bafb32126b899294a22fbe97c6fed54d224a23e1adf
[INFO] running `Command { std: "docker" "start" "-a" "ea2650c89daccbf0ce369bafb32126b899294a22fbe97c6fed54d224a23e1adf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea2650c89daccbf0ce369bafb32126b899294a22fbe97c6fed54d224a23e1adf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea2650c89daccbf0ce369bafb32126b899294a22fbe97c6fed54d224a23e1adf", kill_on_drop: false }`
[INFO] [stdout] ea2650c89daccbf0ce369bafb32126b899294a22fbe97c6fed54d224a23e1adf
[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=warn" "-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" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a33bd41f1a78abefd254c1c203df455b502386e6275f2cfbfd155af57d1c6ea1
[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" "a33bd41f1a78abefd254c1c203df455b502386e6275f2cfbfd155af57d1c6ea1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling arc-swap v0.4.5
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling smallvec v1.3.0
[INFO] [stderr]    Compiling standback v0.2.2
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling zeroize v1.1.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling base64 v0.12.0
[INFO] [stderr]    Compiling xml-rs v0.8.2
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]    Compiling mpmc v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling tracing-core v0.1.10
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling openssl-src v111.9.0+1.1.1g
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling rusoto_core v0.43.0
[INFO] [stderr]    Compiling openssl-sys v0.9.55
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling generic-array v0.12.3
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[INFO] [stderr]    Compiling regex v1.3.6
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling crypto-mac v0.7.0
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling sha2 v0.8.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling hmac v0.7.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling multipart v0.16.1
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.9
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling time-macros-impl v0.1.0
[INFO] [stderr]    Compiling async-trait v0.1.30
[INFO] [stderr]    Compiling tracing-attributes v0.1.7
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling time v0.2.9
[INFO] [stderr]    Compiling tokio v0.2.18
[INFO] [stderr]    Compiling time-macros v0.1.0
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling tracing v0.1.13
[INFO] [stderr]    Compiling pin-project v0.4.9
[INFO] [stderr]    Compiling tracing-futures v0.2.3
[INFO] [stderr]    Compiling futures-executor v0.3.4
[INFO] [stderr]    Compiling futures v0.3.4
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling h2 v0.2.4
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling hyper v0.13.4
[INFO] [stderr]    Compiling serde_json v1.0.52
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling serde-value v0.5.3
[INFO] [stderr]    Compiling serde_yaml v0.8.11
[INFO] [stderr]    Compiling tokio-tls v0.3.0
[INFO] [stderr]    Compiling hyper-tls v0.4.1
[INFO] [stderr]    Compiling reqwest v0.10.4
[INFO] [stderr]    Compiling telegram-bot-raw v0.7.0
[INFO] [stderr]    Compiling handlebars v3.0.1
[INFO] [stderr]    Compiling rusoto_credential v0.43.0
[INFO] [stderr]    Compiling rusoto_signature v0.43.0
[INFO] [stderr]    Compiling rusoto_sts v0.43.0
[INFO] [stderr]    Compiling rusoto_sns v0.43.0
[INFO] [stderr]    Compiling telegram-bot v0.7.0
[INFO] [stderr]    Compiling zuse v0.4.8-alpha.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `futures::Future`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use futures::Future;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IpAddr`
[INFO] [stdout]   --> src/main.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::net::{IpAddr, SocketAddr};
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/main.rs:1490:9
[INFO] [stdout]      |
[INFO] [stdout] 1490 |         mut tx: tokio::sync::mpsc::Sender<ZuseJobMessage>,
[INFO] [stdout]      |         ----^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/main.rs:1567:17
[INFO] [stdout]      |
[INFO] [stdout] 1567 |             let mut test_tx = sender.clone();
[INFO] [stdout]      |                 ----^^^^^^^
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/main.rs:1458:25
[INFO] [stdout]      |
[INFO] [stdout] 1458 | /                         tx.send(
[INFO] [stdout] 1459 | |                             msg.with_state(
[INFO] [stdout] 1460 | |                                 JobSMStates::Failure,
[INFO] [stdout] 1461 | |                             ),
[INFO] [stdout] 1462 | |                         ).await;
[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: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/main.rs:1467:25
[INFO] [stdout]      |
[INFO] [stdout] 1467 | /                         tx.send(
[INFO] [stdout] 1468 | |                             msg.with_state(
[INFO] [stdout] 1469 | |                                 JobSMStates::Recovery,
[INFO] [stdout] 1470 | |                             ),
[INFO] [stdout] 1471 | |                         ).await;
[INFO] [stdout]      | |________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/main.rs:1546:17
[INFO] [stdout]      |
[INFO] [stdout] 1546 | /                 send_op
[INFO] [stdout] 1547 | |                     .map_err(|err|
[INFO] [stdout] 1548 | |                         println!(
[INFO] [stdout] 1549 | |                             "WARNING: SENDING MESSAGE VIA CHANNEL {:?} FAILED: {:?}",
[INFO] [stdout] ...    |
[INFO] [stdout] 1552 | |                         )
[INFO] [stdout] 1553 | |                     );
[INFO] [stdout]      | |______________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/main.rs:1573:17
[INFO] [stdout]      |
[INFO] [stdout] 1573 | /                 Zuse::test_runner(
[INFO] [stdout] 1574 | |                     args,
[INFO] [stdout] 1575 | |                     (test_id, test),
[INFO] [stdout] 1576 | |                     test_tx,
[INFO] [stdout] 1577 | |                 ).await;
[INFO] [stdout]      | |________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5m 54s
[INFO] running `Command { std: "docker" "inspect" "a33bd41f1a78abefd254c1c203df455b502386e6275f2cfbfd155af57d1c6ea1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a33bd41f1a78abefd254c1c203df455b502386e6275f2cfbfd155af57d1c6ea1", kill_on_drop: false }`
[INFO] [stdout] a33bd41f1a78abefd254c1c203df455b502386e6275f2cfbfd155af57d1c6ea1
[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=warn" "-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" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9001477a96698eb8ff2f7bff1fc3761ca4bb555f6d2544d6084451e8a99bad71
[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" "9001477a96698eb8ff2f7bff1fc3761ca4bb555f6d2544d6084451e8a99bad71", kill_on_drop: false }`
[INFO] [stderr]    Compiling zuse v0.4.8-alpha.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `futures::Future`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use futures::Future;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IpAddr`
[INFO] [stdout]   --> src/main.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::net::{IpAddr, SocketAddr};
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/main.rs:1490:9
[INFO] [stdout]      |
[INFO] [stdout] 1490 |         mut tx: tokio::sync::mpsc::Sender<ZuseJobMessage>,
[INFO] [stdout]      |         ----^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/main.rs:1567:17
[INFO] [stdout]      |
[INFO] [stdout] 1567 |             let mut test_tx = sender.clone();
[INFO] [stdout]      |                 ----^^^^^^^
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/main.rs:1458:25
[INFO] [stdout]      |
[INFO] [stdout] 1458 | /                         tx.send(
[INFO] [stdout] 1459 | |                             msg.with_state(
[INFO] [stdout] 1460 | |                                 JobSMStates::Failure,
[INFO] [stdout] 1461 | |                             ),
[INFO] [stdout] 1462 | |                         ).await;
[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: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/main.rs:1467:25
[INFO] [stdout]      |
[INFO] [stdout] 1467 | /                         tx.send(
[INFO] [stdout] 1468 | |                             msg.with_state(
[INFO] [stdout] 1469 | |                                 JobSMStates::Recovery,
[INFO] [stdout] 1470 | |                             ),
[INFO] [stdout] 1471 | |                         ).await;
[INFO] [stdout]      | |________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/main.rs:1546:17
[INFO] [stdout]      |
[INFO] [stdout] 1546 | /                 send_op
[INFO] [stdout] 1547 | |                     .map_err(|err|
[INFO] [stdout] 1548 | |                         println!(
[INFO] [stdout] 1549 | |                             "WARNING: SENDING MESSAGE VIA CHANNEL {:?} FAILED: {:?}",
[INFO] [stdout] ...    |
[INFO] [stdout] 1552 | |                         )
[INFO] [stdout] 1553 | |                     );
[INFO] [stdout]      | |______________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]     --> src/main.rs:1573:17
[INFO] [stdout]      |
[INFO] [stdout] 1573 | /                 Zuse::test_runner(
[INFO] [stdout] 1574 | |                     args,
[INFO] [stdout] 1575 | |                     (test_id, test),
[INFO] [stdout] 1576 | |                     test_tx,
[INFO] [stdout] 1577 | |                 ).await;
[INFO] [stdout]      | |________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.80s
[INFO] running `Command { std: "docker" "inspect" "9001477a96698eb8ff2f7bff1fc3761ca4bb555f6d2544d6084451e8a99bad71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9001477a96698eb8ff2f7bff1fc3761ca4bb555f6d2544d6084451e8a99bad71", kill_on_drop: false }`
[INFO] [stdout] 9001477a96698eb8ff2f7bff1fc3761ca4bb555f6d2544d6084451e8a99bad71
[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=warn" "-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" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 57123e8b1b6a0330bf7303f21b01c82c13bd5ef2658e92025df41fa478959649
[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" "57123e8b1b6a0330bf7303f21b01c82c13bd5ef2658e92025df41fa478959649", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `futures::Future`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use futures::Future;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `IpAddr`
[INFO] [stderr]   --> src/main.rs:13:16
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::net::{IpAddr, SocketAddr};
[INFO] [stderr]    |                ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/main.rs:1490:9
[INFO] [stderr]      |
[INFO] [stderr] 1490 |         mut tx: tokio::sync::mpsc::Sender<ZuseJobMessage>,
[INFO] [stderr]      |         ----^^
[INFO] [stderr]      |         |
[INFO] [stderr]      |         help: remove this `mut`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/main.rs:1567:17
[INFO] [stderr]      |
[INFO] [stderr] 1567 |             let mut test_tx = sender.clone();
[INFO] [stderr]      |                 ----^^^^^^^
[INFO] [stderr]      |                 |
[INFO] [stderr]      |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/main.rs:1458:25
[INFO] [stderr]      |
[INFO] [stderr] 1458 | /                         tx.send(
[INFO] [stderr] 1459 | |                             msg.with_state(
[INFO] [stderr] 1460 | |                                 JobSMStates::Failure,
[INFO] [stderr] 1461 | |                             ),
[INFO] [stderr] 1462 | |                         ).await;
[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: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/main.rs:1467:25
[INFO] [stderr]      |
[INFO] [stderr] 1467 | /                         tx.send(
[INFO] [stderr] 1468 | |                             msg.with_state(
[INFO] [stderr] 1469 | |                                 JobSMStates::Recovery,
[INFO] [stderr] 1470 | |                             ),
[INFO] [stderr] 1471 | |                         ).await;
[INFO] [stderr]      | |________________________________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/main.rs:1546:17
[INFO] [stderr]      |
[INFO] [stderr] 1546 | /                 send_op
[INFO] [stderr] 1547 | |                     .map_err(|err|
[INFO] [stderr] 1548 | |                         println!(
[INFO] [stderr] 1549 | |                             "WARNING: SENDING MESSAGE VIA CHANNEL {:?} FAILED: {:?}",
[INFO] [stderr] ...    |
[INFO] [stderr] 1552 | |                         )
[INFO] [stderr] 1553 | |                     );
[INFO] [stderr]      | |______________________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/main.rs:1573:17
[INFO] [stderr]      |
[INFO] [stderr] 1573 | /                 Zuse::test_runner(
[INFO] [stderr] 1574 | |                     args,
[INFO] [stderr] 1575 | |                     (test_id, test),
[INFO] [stderr] 1576 | |                     test_tx,
[INFO] [stderr] 1577 | |                 ).await;
[INFO] [stderr]      | |________________________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/zuse-767588c9ceb0ffcb
[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" "57123e8b1b6a0330bf7303f21b01c82c13bd5ef2658e92025df41fa478959649", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57123e8b1b6a0330bf7303f21b01c82c13bd5ef2658e92025df41fa478959649", kill_on_drop: false }`
[INFO] [stdout] 57123e8b1b6a0330bf7303f21b01c82c13bd5ef2658e92025df41fa478959649
