[INFO] cloning repository https://github.com/Wowo10/rs_wowo_url
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Wowo10/rs_wowo_url" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWowo10%2Frs_wowo_url", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWowo10%2Frs_wowo_url'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e26036fbe9816ab850c1e96d78757042ec9b7ab
[INFO] checking Wowo10/rs_wowo_url against try#2cbf9c3ff35600794d69a7dc7ab399810a067910 for pr-129249-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWowo10%2Frs_wowo_url" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Wowo10/rs_wowo_url
[INFO] finished tweaking git repo https://github.com/Wowo10/rs_wowo_url
[INFO] tweaked toml for git repo https://github.com/Wowo10/rs_wowo_url written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Wowo10/rs_wowo_url on toolchain 2cbf9c3ff35600794d69a7dc7ab399810a067910
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2cbf9c3ff35600794d69a7dc7ab399810a067910" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Wowo10/rs_wowo_url 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" "+2cbf9c3ff35600794d69a7dc7ab399810a067910" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a8a96eaae01c726050c5d32cea0735eac1ea6c459980748cc97929f22f9da0c6
[INFO] running `Command { std: "docker" "start" "a8a96eaae01c726050c5d32cea0735eac1ea6c459980748cc97929f22f9da0c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a8a96eaae01c726050c5d32cea0735eac1ea6c459980748cc97929f22f9da0c6" "/opt/rustwide/cargo-home/bin/cargo" "+2cbf9c3ff35600794d69a7dc7ab399810a067910" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8a96eaae01c726050c5d32cea0735eac1ea6c459980748cc97929f22f9da0c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a8a96eaae01c726050c5d32cea0735eac1ea6c459980748cc97929f22f9da0c6" "/opt/rustwide/cargo-home/bin/cargo" "+2cbf9c3ff35600794d69a7dc7ab399810a067910" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking fastrand v1.3.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking event-listener v2.4.0
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking async-task v4.0.0
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking async-channel v1.4.2
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking async-mutex v1.3.0
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking webbrowser v0.5.5
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking futures-lite v1.7.0
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking nb-connect v1.0.0
[INFO] [stderr]     Checking polling v1.1.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking async-io v1.1.2
[INFO] [stderr]     Checking async-executor v1.3.0
[INFO] [stderr]     Checking blocking v1.0.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking nanoid v0.3.0
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking async-global-executor v1.1.1
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking async-std v1.6.4
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling async-trait v0.1.40
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking combine v4.3.2
[INFO] [stderr]     Checking redis v0.17.0
[INFO] [stderr]     Checking rs_wowo_url v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/main.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 | /             &list
[INFO] [stdout] 50 | |                 .iter()
[INFO] [stdout] 51 | |                 .for_each(|pair| println!("{} : {}", pair.0, pair.1));
[INFO] [stdout]    | |_____________________________________________________________________^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 49 |             let _ = &list
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/main.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 | /             &list
[INFO] [stdout] 50 | |                 .iter()
[INFO] [stdout] 51 | |                 .for_each(|pair| println!("{} : {}", pair.0, pair.1));
[INFO] [stdout]    | |_____________________________________________________________________^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 49 |             let _ = &list
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.18s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: redis v0.17.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "a8a96eaae01c726050c5d32cea0735eac1ea6c459980748cc97929f22f9da0c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8a96eaae01c726050c5d32cea0735eac1ea6c459980748cc97929f22f9da0c6", kill_on_drop: false }`
[INFO] [stdout] a8a96eaae01c726050c5d32cea0735eac1ea6c459980748cc97929f22f9da0c6
