[INFO] cloning repository https://github.com/chenquan/zero-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chenquan/zero-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenquan%2Fzero-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenquan%2Fzero-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ea5b162a7431a93d538258e6dce25c01d0b1210
[INFO] checking chenquan/zero-rs against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenquan%2Fzero-rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/chenquan/zero-rs
[INFO] finished tweaking git repo https://github.com/chenquan/zero-rs
[INFO] tweaked toml for git repo https://github.com/chenquan/zero-rs written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/chenquan/zero-rs on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/chenquan/zero-rs 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fda8fe5fc3e7a6612b12c2e2326f8d2eaa8a48a193611ea594e923044cdc2a6
[INFO] running `Command { std: "docker" "start" "-a" "2fda8fe5fc3e7a6612b12c2e2326f8d2eaa8a48a193611ea594e923044cdc2a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fda8fe5fc3e7a6612b12c2e2326f8d2eaa8a48a193611ea594e923044cdc2a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fda8fe5fc3e7a6612b12c2e2326f8d2eaa8a48a193611ea594e923044cdc2a6", kill_on_drop: false }`
[INFO] [stdout] 2fda8fe5fc3e7a6612b12c2e2326f8d2eaa8a48a193611ea594e923044cdc2a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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 -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1d88cbcbcd30f62372312abfc6798169748cff13d8c872d2e45b1368c48c8c7
[INFO] running `Command { std: "docker" "start" "-a" "c1d88cbcbcd30f62372312abfc6798169748cff13d8c872d2e45b1368c48c8c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking memchr v2.6.2
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]    Compiling rustix v0.38.11
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]    Compiling linux-raw-sys v0.4.5
[INFO] [stderr]    Compiling async-trait v0.1.73
[INFO] [stderr]    Compiling hashbrown v0.14.0
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling prettyplease v0.1.25
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]     Checking parking_lot v0.12.1
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[INFO] [stderr]    Compiling indexmap v2.0.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
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[INFO] [stderr]    Compiling fixedbitset v0.4.2
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[INFO] [stderr]    Compiling regex-automata v0.3.7
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[INFO] [stderr]    Compiling tempfile v3.8.0
[INFO] [stderr]    Compiling axum-core v0.3.4
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[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling axum v0.6.20
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]     Checking matchit v0.7.2
[INFO] [stderr]    Compiling thiserror v1.0.47
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking async-broadcast v0.5.1
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]    Compiling regex v1.9.4
[INFO] [stderr]     Checking faststr v0.2.11
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking mur3 v0.1.0
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]    Compiling prost-derive v0.11.9
[INFO] [stderr]    Compiling motore-macros v0.3.1
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]     Checking chrono v0.4.28
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.47
[INFO] [stderr]    Compiling prost v0.11.9
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]    Compiling prost-types v0.11.9
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]    Compiling prost-build v0.11.9
[INFO] [stderr]    Compiling tonic-build v0.8.4
[INFO] [stderr]    Compiling etcd-client v0.10.4
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking tokio-io-timeout v1.2.0
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking metainfo v0.7.5
[INFO] [stderr]     Checking motore v0.3.3
[INFO] [stderr]     Checking h2 v0.3.21
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking volo v0.5.4
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking hyper-timeout v0.4.1
[INFO] [stderr]     Checking tonic v0.8.3
[INFO] [stderr]     Checking zero-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<std::sync::Arc<Instance>>, Infallible>
[INFO] [stdout]   --> src/discover/discover.rs:39:20
[INFO] [stdout]    |
[INFO] [stdout] 39 |           async move {
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 40 | |             match client
[INFO] [stdout] 41 | |                 .get(
[INFO] [stdout] 42 | |                     service_name.as_str(),
[INFO] [stdout] ...  |
[INFO] [stdout] 68 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<std::sync::Arc<Instance>>, Infallible>
[INFO] [stdout]   --> src/discover/discover.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 | /             match client
[INFO] [stdout] 41 | |                 .get(
[INFO] [stdout] 42 | |                     service_name.as_str(),
[INFO] [stdout] 43 | |                     Some(GetOptions::default().with_prefix()),
[INFO] [stdout] ...  |
[INFO] [stdout] 66 | |                 Err(_e) => Ok(vec![]),
[INFO] [stdout] 67 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<std::sync::Arc<Instance>>, Infallible>
[INFO] [stdout]   --> src/discover/discover.rs:47:27
[INFO] [stdout]    |
[INFO] [stdout] 47 |                   Ok(it) => {
[INFO] [stdout]    |  ___________________________^
[INFO] [stdout] 48 | |                     let instance = to_vec_instance(it.kvs());
[INFO] [stdout] 49 | |                     for x in it.kvs() {
[INFO] [stdout] 50 | |                         if let Ok(k) = x.key_str() {
[INFO] [stdout] ...  |
[INFO] [stdout] 64 | |                     Ok(instance)
[INFO] [stdout] 65 | |                 }
[INFO] [stdout]    | |_________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<std::sync::Arc<Instance>>, Infallible>
[INFO] [stdout]   --> src/discover/discover.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     Ok(instance)
[INFO] [stdout]    |                     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<std::sync::Arc<Instance>>, Infallible>
[INFO] [stdout]   --> src/discover/discover.rs:66:28
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 Err(_e) => Ok(vec![]),
[INFO] [stdout]    |                            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zero-rs` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<std::sync::Arc<Instance>>, Infallible>
[INFO] [stdout]   --> src/discover/discover.rs:39:20
[INFO] [stdout]    |
[INFO] [stdout] 39 |           async move {
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 40 | |             match client
[INFO] [stdout] 41 | |                 .get(
[INFO] [stdout] 42 | |                     service_name.as_str(),
[INFO] [stdout] ...  |
[INFO] [stdout] 68 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<std::sync::Arc<Instance>>, Infallible>
[INFO] [stdout]   --> src/discover/discover.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 | /             match client
[INFO] [stdout] 41 | |                 .get(
[INFO] [stdout] 42 | |                     service_name.as_str(),
[INFO] [stdout] 43 | |                     Some(GetOptions::default().with_prefix()),
[INFO] [stdout] ...  |
[INFO] [stdout] 66 | |                 Err(_e) => Ok(vec![]),
[INFO] [stdout] 67 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<std::sync::Arc<Instance>>, Infallible>
[INFO] [stdout]   --> src/discover/discover.rs:47:27
[INFO] [stdout]    |
[INFO] [stdout] 47 |                   Ok(it) => {
[INFO] [stdout]    |  ___________________________^
[INFO] [stdout] 48 | |                     let instance = to_vec_instance(it.kvs());
[INFO] [stdout] 49 | |                     for x in it.kvs() {
[INFO] [stdout] 50 | |                         if let Ok(k) = x.key_str() {
[INFO] [stdout] ...  |
[INFO] [stdout] 64 | |                     Ok(instance)
[INFO] [stdout] 65 | |                 }
[INFO] [stdout]    | |_________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<std::sync::Arc<Instance>>, Infallible>
[INFO] [stdout]   --> src/discover/discover.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     Ok(instance)
[INFO] [stdout]    |                     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<std::sync::Arc<Instance>>, Infallible>
[INFO] [stdout]   --> src/discover/discover.rs:66:28
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 Err(_e) => Ok(vec![]),
[INFO] [stdout]    |                            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zero-rs` (lib test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "c1d88cbcbcd30f62372312abfc6798169748cff13d8c872d2e45b1368c48c8c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1d88cbcbcd30f62372312abfc6798169748cff13d8c872d2e45b1368c48c8c7", kill_on_drop: false }`
[INFO] [stdout] c1d88cbcbcd30f62372312abfc6798169748cff13d8c872d2e45b1368c48c8c7
