[INFO] fetching crate unsafe_bst 0.3.2... [INFO] checking unsafe_bst-0.3.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate unsafe_bst 0.3.2 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate unsafe_bst 0.3.2 [INFO] finished tweaking crates.io crate unsafe_bst 0.3.2 [INFO] tweaked toml for crates.io crate unsafe_bst 0.3.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate unsafe_bst 0.3.2 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 crates.io crate unsafe_bst 0.3.2 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 0b23693d0156d918a62d76cf8787be3468c2524de441b76bfc1584a946db29e6 [INFO] running `Command { std: "docker" "start" "-a" "0b23693d0156d918a62d76cf8787be3468c2524de441b76bfc1584a946db29e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0b23693d0156d918a62d76cf8787be3468c2524de441b76bfc1584a946db29e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b23693d0156d918a62d76cf8787be3468c2524de441b76bfc1584a946db29e6", kill_on_drop: false }` [INFO] [stdout] 0b23693d0156d918a62d76cf8787be3468c2524de441b76bfc1584a946db29e6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 193eb818456eec333abd354d56d006b4bf7180f821ff47b5aa8a0ec78694b5f3 [INFO] running `Command { std: "docker" "start" "-a" "193eb818456eec333abd354d56d006b4bf7180f821ff47b5aa8a0ec78694b5f3", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking unsafe_bst v0.3.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition value: `document-features` [INFO] [stdout] --> src/lib.rs:2:13 [INFO] [stdout] | [INFO] [stdout] 2 | #![cfg_attr(feature = "document-features", doc = document_features::document_features!())] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `document-features` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `document-features` [INFO] [stdout] --> src/lib.rs:2:13 [INFO] [stdout] | [INFO] [stdout] 2 | #![cfg_attr(feature = "document-features", doc = document_features::document_features!())] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `document-features` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:304:29 [INFO] [stdout] | [INFO] [stdout] 304 | let mid:usize = ((start+end)/2).try_into().unwrap(); [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/lib.rs:311:34 [INFO] [stdout] | [INFO] [stdout] 311 | self.build(v, start, (mid-1).try_into().unwrap(), s); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:313:27 [INFO] [stdout] | [INFO] [stdout] 313 | self.build(v, (mid+1).try_into().unwrap(), end, s); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `unsafe_bst` (lib) due to 3 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:304:29 [INFO] [stdout] | [INFO] [stdout] 304 | let mid:usize = ((start+end)/2).try_into().unwrap(); [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/lib.rs:311:34 [INFO] [stdout] | [INFO] [stdout] 311 | self.build(v, start, (mid-1).try_into().unwrap(), s); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:313:27 [INFO] [stdout] | [INFO] [stdout] 313 | self.build(v, (mid+1).try_into().unwrap(), end, s); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `unsafe_bst` (lib test) due to 3 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "193eb818456eec333abd354d56d006b4bf7180f821ff47b5aa8a0ec78694b5f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "193eb818456eec333abd354d56d006b4bf7180f821ff47b5aa8a0ec78694b5f3", kill_on_drop: false }` [INFO] [stdout] 193eb818456eec333abd354d56d006b4bf7180f821ff47b5aa8a0ec78694b5f3