[INFO] fetching crate ns-env-config 0.1.0... [INFO] checking ns-env-config-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate ns-env-config 0.1.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate ns-env-config 0.1.0 [INFO] finished tweaking crates.io crate ns-env-config 0.1.0 [INFO] tweaked toml for crates.io crate ns-env-config 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate ns-env-config 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 89 packages to latest compatible versions [INFO] [stderr] Adding futures v0.1.31 (available: v0.3.31) [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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5fe6de50c9c283f3071e4cb37ee21f79d16a140d75a60c5d93775e35f19bbdad [INFO] running `Command { std: "docker" "start" "-a" "5fe6de50c9c283f3071e4cb37ee21f79d16a140d75a60c5d93775e35f19bbdad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5fe6de50c9c283f3071e4cb37ee21f79d16a140d75a60c5d93775e35f19bbdad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5fe6de50c9c283f3071e4cb37ee21f79d16a140d75a60c5d93775e35f19bbdad", kill_on_drop: false }` [INFO] [stdout] 5fe6de50c9c283f3071e4cb37ee21f79d16a140d75a60c5d93775e35f19bbdad [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ba01d0316646cdd0723afa8d7631813817d01cf3b26f16c65a635f32ae5ccc58 [INFO] running `Command { std: "docker" "start" "-a" "ba01d0316646cdd0723afa8d7631813817d01cf3b26f16c65a635f32ae5ccc58", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking object v0.37.3 [INFO] [stderr] Checking scoped-tls v0.1.2 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking crossbeam-deque v0.7.4 [INFO] [stderr] Compiling parking_lot_core v0.6.3 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking abstract-ns v0.4.3 [INFO] [stderr] Checking async-slot v0.1.0 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking ns-std-threaded v0.3.0 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking tokio-core v0.1.18 [INFO] [stderr] Checking ns-router v0.1.6 [INFO] [stderr] Checking backtrace v0.3.76 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking ns-env-config v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: irrefutable `if let` pattern [INFO] [stdout] --> src/initialize.rs:29:16 [INFO] [stdout] | [INFO] [stdout] 29 | if let Ok(cfg) = val.parse() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this pattern will always match, so the `if let` is useless [INFO] [stdout] = help: consider replacing the `if let` with a `let` [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/initialize.rs:29:30 [INFO] [stdout] | [INFO] [stdout] 29 | if let Ok(cfg) = val.parse() { [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 [INFO] [stdout] --> src/config.rs:102:50 [INFO] [stdout] | [INFO] [stdout] 102 | fn from_str(val: &str) -> Result { [INFO] [stdout] | __________________________________________________^ [INFO] [stdout] 103 | | if val.len() == 0 { [INFO] [stdout] 104 | | return Ok(Config::default()); [INFO] [stdout] ... | [INFO] [stdout] 130 | | }) [INFO] [stdout] 131 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/config.rs:104:20 [INFO] [stdout] | [INFO] [stdout] 104 | return Ok(Config::default()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/config.rs:127:9 [INFO] [stdout] | [INFO] [stdout] 127 | / Ok(Config { [INFO] [stdout] 128 | | fallthrough: root, [INFO] [stdout] 129 | | _non_exhaustive: (), [INFO] [stdout] 130 | | }) [INFO] [stdout] | |__________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ns-env-config` (lib) due to 4 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `ns-env-config` (lib test) due to 9 previous errors; 1 warning emitted [INFO] [stdout] warning: irrefutable `if let` pattern [INFO] [stdout] --> src/initialize.rs:29:16 [INFO] [stdout] | [INFO] [stdout] 29 | if let Ok(cfg) = val.parse() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this pattern will always match, so the `if let` is useless [INFO] [stdout] = help: consider replacing the `if let` with a `let` [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/initialize.rs:29:30 [INFO] [stdout] | [INFO] [stdout] 29 | if let Ok(cfg) = val.parse() { [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 [INFO] [stdout] --> src/config.rs:102:50 [INFO] [stdout] | [INFO] [stdout] 102 | fn from_str(val: &str) -> Result { [INFO] [stdout] | __________________________________________________^ [INFO] [stdout] 103 | | if val.len() == 0 { [INFO] [stdout] 104 | | return Ok(Config::default()); [INFO] [stdout] ... | [INFO] [stdout] 130 | | }) [INFO] [stdout] 131 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/config.rs:104:20 [INFO] [stdout] | [INFO] [stdout] 104 | return Ok(Config::default()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/config.rs:127:9 [INFO] [stdout] | [INFO] [stdout] 127 | / Ok(Config { [INFO] [stdout] 128 | | fallthrough: root, [INFO] [stdout] 129 | | _non_exhaustive: (), [INFO] [stdout] 130 | | }) [INFO] [stdout] | |__________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/config.rs:142:39 [INFO] [stdout] | [INFO] [stdout] 142 | assert_eq!(Config::default(), "".parse().unwrap()); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/config.rs:143:39 [INFO] [stdout] | [INFO] [stdout] 143 | assert_eq!(Config::default(), "std".parse().unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/config.rs:150:12 [INFO] [stdout] | [INFO] [stdout] 150 | }, "std:poll_ivl=2".parse().unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/config.rs:157:12 [INFO] [stdout] | [INFO] [stdout] 157 | }, "std:threads=7".parse().unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/config.rs:165:12 [INFO] [stdout] | [INFO] [stdout] 165 | }, "std:threads=1:poll_ivl=7".parse().unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "ba01d0316646cdd0723afa8d7631813817d01cf3b26f16c65a635f32ae5ccc58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba01d0316646cdd0723afa8d7631813817d01cf3b26f16c65a635f32ae5ccc58", kill_on_drop: false }` [INFO] [stdout] ba01d0316646cdd0723afa8d7631813817d01cf3b26f16c65a635f32ae5ccc58