[INFO] fetching crate emap 0.0.13... [INFO] testing emap-0.0.13 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] extracting crate emap 0.0.13 into /workspace/builds/worker-1-tc1/source [INFO] started tweaking crates.io crate emap 0.0.13 [INFO] finished tweaking crates.io crate emap 0.0.13 [INFO] tweaked toml for crates.io crate emap 0.0.13 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate emap 0.0.13 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 7 packages to latest compatible versions [INFO] [stderr] Adding bincode v1.3.3 (available: v2.0.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 32c75add16a63c277c80a238418f7e44d0a044fe33c5d05b38d05bfefba18a73 [INFO] running `Command { std: "docker" "start" "-a" "32c75add16a63c277c80a238418f7e44d0a044fe33c5d05b38d05bfefba18a73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "32c75add16a63c277c80a238418f7e44d0a044fe33c5d05b38d05bfefba18a73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32c75add16a63c277c80a238418f7e44d0a044fe33c5d05b38d05bfefba18a73", kill_on_drop: false }` [INFO] [stdout] 32c75add16a63c277c80a238418f7e44d0a044fe33c5d05b38d05bfefba18a73 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 8faeb68194f44e005f81595e9b1f7443cada8d8f617caba0d30530e6e372118f [INFO] running `Command { std: "docker" "start" "-a" "8faeb68194f44e005f81595e9b1f7443cada8d8f617caba0d30530e6e372118f", kill_on_drop: false }` [INFO] [stderr] Compiling emap v0.0.13 (/opt/rustwide/workdir) [INFO] [stdout] error: `#[must_use]` has no effect when applied to a provided trait method [INFO] [stdout] --> src/iterators.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[deny(unused_attributes)]` implied by `#[deny(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `#[must_use]` has no effect when applied to a provided trait method [INFO] [stdout] --> src/iterators.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 47 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `#[must_use]` has no effect when applied to a provided trait method [INFO] [stdout] --> src/iterators.rs:66:5 [INFO] [stdout] | [INFO] [stdout] 66 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `#[must_use]` has no effect when applied to a provided trait method [INFO] [stdout] --> src/keys.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `#[must_use]` has no effect when applied to a provided trait method [INFO] [stdout] --> src/values.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `#[must_use]` has no effect when applied to a provided trait method [INFO] [stdout] --> src/values.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 46 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: struct `Foo` is never constructed [INFO] [stdout] --> src/clone.rs:61:8 [INFO] [stdout] | [INFO] [stdout] 61 | struct Foo { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Foo` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[deny(dead_code)]` implied by `#[deny(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/iterators.rs:103:23 [INFO] [stdout] | [INFO] [stdout] 103 | pub const fn iter(&self) -> Iter { [INFO] [stdout] | ^^^^^ ------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[deny(mismatched_lifetime_syntaxes)]` implied by `#[deny(warnings)]` [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 103 | pub const fn iter(&self) -> Iter<'_, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/iterators.rs:135:27 [INFO] [stdout] | [INFO] [stdout] 135 | pub const fn iter_mut(&self) -> IterMut { [INFO] [stdout] | ^^^^^ ---------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 135 | pub const fn iter_mut(&self) -> IterMut<'_, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/values.rs:67:25 [INFO] [stdout] | [INFO] [stdout] 67 | pub const fn values(&self) -> Values { [INFO] [stdout] | ^^^^^ --------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 67 | pub const fn values(&self) -> Values<'_, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `emap` (lib) due to 10 previous errors [INFO] running `Command { std: "docker" "inspect" "8faeb68194f44e005f81595e9b1f7443cada8d8f617caba0d30530e6e372118f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8faeb68194f44e005f81595e9b1f7443cada8d8f617caba0d30530e6e372118f", kill_on_drop: false }` [INFO] [stdout] 8faeb68194f44e005f81595e9b1f7443cada8d8f617caba0d30530e6e372118f