[INFO] updating cached repository https://github.com/pbzweihander/rust-trending-discord
[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] de3f30f305b5be67bfe8cf474dcb0fb4f759689a
[INFO] testing pbzweihander/rust-trending-discord 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%2Fpbzweihander%2Frust-trending-discord" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pbzweihander/rust-trending-discord 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/pbzweihander/rust-trending-discord
[INFO] finished tweaking git repo https://github.com/pbzweihander/rust-trending-discord
[INFO] tweaked toml for git repo https://github.com/pbzweihander/rust-trending-discord written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/pbzweihander/rust-trending-discord 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 03b447aa857b418e3a546dd8fb82439edcab2676e3dcaa9ea541a0e2607ed680
[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" "03b447aa857b418e3a546dd8fb82439edcab2676e3dcaa9ea541a0e2607ed680", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03b447aa857b418e3a546dd8fb82439edcab2676e3dcaa9ea541a0e2607ed680", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03b447aa857b418e3a546dd8fb82439edcab2676e3dcaa9ea541a0e2607ed680", kill_on_drop: false }`
[INFO] [stdout] 03b447aa857b418e3a546dd8fb82439edcab2676e3dcaa9ea541a0e2607ed680
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 28511cd219ac919b46688ce2b8fc73c178c18ba5f70c26648ed0cdbb3cde7de7
[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" "28511cd219ac919b46688ce2b8fc73c178c18ba5f70c26648ed0cdbb3cde7de7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.81
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling rust-ini v0.12.2
[INFO] [stderr]    Compiling crossbeam-utils v0.6.2
[INFO] [stderr]    Compiling arrayvec v0.4.8
[INFO] [stderr]    Compiling redis v0.9.1
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.39
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling bytes v0.4.11
[INFO] [stderr]    Compiling tokio-timer v0.2.8
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling combine v3.6.3
[INFO] [stderr]    Compiling nom v4.1.1
[INFO] [stderr]    Compiling openssl v0.10.15
[INFO] [stderr]    Compiling crossbeam-deque v0.6.2
[INFO] [stderr]    Compiling tokio-io v0.1.10
[INFO] [stderr]    Compiling http v0.1.14
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-threadpool v0.1.9
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling tokio-reactor v0.1.7
[INFO] [stderr]    Compiling tokio-fs v0.1.4
[INFO] [stderr]    Compiling serde-hjson v0.8.2
[INFO] [stderr]    Compiling tokio-tcp v0.1.2
[INFO] [stderr]    Compiling tokio-uds v0.2.4
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling h2 v0.1.14
[INFO] [stderr]    Compiling tokio v0.1.13
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.81
[INFO] [stderr]    Compiling hyper v0.12.17
[INFO] [stderr]    Compiling failure v0.1.3
[INFO] [stderr]    Compiling serde_json v1.0.33
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling hyper-tls v0.3.1
[INFO] [stderr]    Compiling config v0.9.1
[INFO] [stderr]    Compiling rust-trending-discord v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Async` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 21 | use futures::{future::ok, prelude::*, stream::iter_ok};
[INFO] [stdout]    |                           ---------- the item `Async` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 72 |         use futures::Async;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Content`
[INFO] [stdout]   --> src/discord.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Content(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_interval`
[INFO] [stdout]   --> src/lib.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn new_interval(stream: S, interval: Duration) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 20s
[INFO] running `Command { std: "docker" "inspect" "28511cd219ac919b46688ce2b8fc73c178c18ba5f70c26648ed0cdbb3cde7de7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28511cd219ac919b46688ce2b8fc73c178c18ba5f70c26648ed0cdbb3cde7de7", kill_on_drop: false }`
[INFO] [stdout] 28511cd219ac919b46688ce2b8fc73c178c18ba5f70c26648ed0cdbb3cde7de7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] fa1b2081abe3e0eabfa6147a2050aac9e7ddef62b0edb450dbec9e9f01674d2e
[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" "fa1b2081abe3e0eabfa6147a2050aac9e7ddef62b0edb450dbec9e9f01674d2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-trending-discord v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Async` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 21 | use futures::{future::ok, prelude::*, stream::iter_ok};
[INFO] [stdout]    |                           ---------- the item `Async` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 72 |         use futures::Async;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Content`
[INFO] [stdout]   --> src/discord.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Content(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_interval`
[INFO] [stdout]   --> src/lib.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn new_interval(stream: S, interval: Duration) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Async` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 21 | use futures::{future::ok, prelude::*, stream::iter_ok};
[INFO] [stdout]    |                           ---------- the item `Async` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 72 |         use futures::Async;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Content`
[INFO] [stdout]   --> src/discord.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Content(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_interval`
[INFO] [stdout]   --> src/lib.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn new_interval(stream: S, interval: Duration) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.75s
[INFO] running `Command { std: "docker" "inspect" "fa1b2081abe3e0eabfa6147a2050aac9e7ddef62b0edb450dbec9e9f01674d2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa1b2081abe3e0eabfa6147a2050aac9e7ddef62b0edb450dbec9e9f01674d2e", kill_on_drop: false }`
[INFO] [stdout] fa1b2081abe3e0eabfa6147a2050aac9e7ddef62b0edb450dbec9e9f01674d2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] c7c42e16a0e38123ec3d838e8be2643b7a7acd1b43ec358c87206fca0eeafb4c
[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" "c7c42e16a0e38123ec3d838e8be2643b7a7acd1b43ec358c87206fca0eeafb4c", kill_on_drop: false }`
[INFO] [stderr] warning: the item `Async` is imported redundantly
[INFO] [stderr]   --> src/lib.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 21 | use futures::{future::ok, prelude::*, stream::iter_ok};
[INFO] [stderr]    |                           ---------- the item `Async` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 72 |         use futures::Async;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Content`
[INFO] [stderr]   --> src/discord.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     Content(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new_interval`
[INFO] [stderr]   --> src/lib.rs:58:12
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn new_interval(stream: S, interval: Duration) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Async` is imported redundantly
[INFO] [stderr]   --> src/lib.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 21 | use futures::{future::ok, prelude::*, stream::iter_ok};
[INFO] [stderr]    |                           ---------- the item `Async` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 72 |         use futures::Async;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Content`
[INFO] [stderr]   --> src/discord.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     Content(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new_interval`
[INFO] [stderr]   --> src/lib.rs:58:12
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn new_interval(stream: S, interval: Duration) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_trending_discord-cfc6a44cd0c12e9e
[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]      Running /opt/rustwide/target/debug/deps/rust_trending_discord-3bf4b39ef318f308
[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 rust-trending-discord
[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" "c7c42e16a0e38123ec3d838e8be2643b7a7acd1b43ec358c87206fca0eeafb4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7c42e16a0e38123ec3d838e8be2643b7a7acd1b43ec358c87206fca0eeafb4c", kill_on_drop: false }`
[INFO] [stdout] c7c42e16a0e38123ec3d838e8be2643b7a7acd1b43ec358c87206fca0eeafb4c