[INFO] fetching crate mail-core 0.6.2... [INFO] checking mail-core-0.6.2 against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665 [INFO] extracting crate mail-core 0.6.2 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate mail-core 0.6.2 on toolchain d7b51666469c792a8a3f40849607739bae1e705e [INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate mail-core 0.6.2 [INFO] finished tweaking crates.io crate mail-core 0.6.2 [INFO] tweaked toml for crates.io crate mail-core 0.6.2 written to /workspace/builds/worker-14/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 8adaf72bd94cf056390db81dd3216234f66ed34ca5391af6ee3748eb147b954f [INFO] running `"docker" "start" "-a" "8adaf72bd94cf056390db81dd3216234f66ed34ca5391af6ee3748eb147b954f"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.19 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking quoted-string v0.6.1 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking safemem v0.2.0 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Compiling serde v1.0.109 [INFO] [stderr] Checking quoted_printable v0.4.2 [INFO] [stderr] Checking vec-drain-where v1.0.1 [INFO] [stderr] Checking soft-ascii-string v1.1.0 [INFO] [stderr] Checking vec1 v1.4.0 [INFO] [stderr] Compiling checked_command v0.2.2 [INFO] [stderr] Checking futures v0.1.29 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Checking lut v0.1.0-unstable [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking owning_ref v0.4.1 [INFO] [stderr] Checking memchr v1.0.2 [INFO] [stderr] Checking total-order-multi-map v0.4.6 [INFO] [stderr] Compiling proc-macro2 v1.0.12 [INFO] [stderr] Checking backtrace-sys v0.1.37 [INFO] [stderr] Checking base64 v0.6.0 [INFO] [stderr] Checking nom v3.2.1 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking media-type-impl-utils v0.3.0-unstable [INFO] [stderr] Checking backtrace v0.3.46 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking media-type v0.4.0-unstable [INFO] [stderr] Compiling quote v1.0.4 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking chrono v0.4.11 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Checking serde_test v1.0.109 [INFO] [stderr] Checking serde_json v1.0.53 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking mail-internals v0.2.3 [INFO] [stderr] Checking mail-headers v0.6.6 [INFO] [stderr] Checking mail-core v0.6.2 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/error.rs:78:32 [INFO] [stderr] | [INFO] [stderr] 78 | fn cause(&self) -> Option<&Fail> { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Fail` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/utils.rs:13:36 [INFO] [stderr] | [INFO] [stderr] 13 | pub type SendBoxFuture = Box + Send + 'static>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + Send + 'static` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/error.rs:78:32 [INFO] [stderr] | [INFO] [stderr] 78 | fn cause(&self) -> Option<&Fail> { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Fail` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/utils.rs:13:36 [INFO] [stderr] | [INFO] [stderr] 13 | pub type SendBoxFuture = Box + Send + 'static>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + Send + 'static` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/mail.rs:600:17 [INFO] [stderr] | [INFO] [stderr] 600 | let mut headers: &mut HeaderMap = headers; [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/resource/loading.rs:184:21 [INFO] [stderr] | [INFO] [stderr] 184 | mem::replace(resource_ref, new_resource.to_resource()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/mail.rs:466:21 [INFO] [stderr] | [INFO] [stderr] 466 | / mem::replace( [INFO] [stderr] 467 | | &mut self.inner, [INFO] [stderr] 468 | | InnerMailFuture::Loading { [INFO] [stderr] 469 | | mail, ctx, [INFO] [stderr] 470 | | pending: future::join_all(futures) [INFO] [stderr] 471 | | } [INFO] [stderr] 472 | | ); [INFO] [stderr] | |______________________^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/mail.rs:478:29 [INFO] [stderr] | [INFO] [stderr] 478 | / ... mem::replace( [INFO] [stderr] 479 | | ... &mut self.inner, [INFO] [stderr] 480 | | ... InnerMailFuture::Loading { mail, pending, ctx } [INFO] [stderr] 481 | | ... ); [INFO] [stderr] | |________________________^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/mail.rs:554:9 [INFO] [stderr] | [INFO] [stderr] 554 | mem::replace(resource, Resource::EncData(enc_data)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/mail.rs:600:17 [INFO] [stderr] | [INFO] [stderr] 600 | let mut headers: &mut HeaderMap = headers; [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/resource/loading.rs:184:21 [INFO] [stderr] | [INFO] [stderr] 184 | mem::replace(resource_ref, new_resource.to_resource()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/mail.rs:466:21 [INFO] [stderr] | [INFO] [stderr] 466 | / mem::replace( [INFO] [stderr] 467 | | &mut self.inner, [INFO] [stderr] 468 | | InnerMailFuture::Loading { [INFO] [stderr] 469 | | mail, ctx, [INFO] [stderr] 470 | | pending: future::join_all(futures) [INFO] [stderr] 471 | | } [INFO] [stderr] 472 | | ); [INFO] [stderr] | |______________________^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/mail.rs:478:29 [INFO] [stderr] | [INFO] [stderr] 478 | / ... mem::replace( [INFO] [stderr] 479 | | ... &mut self.inner, [INFO] [stderr] 480 | | ... InnerMailFuture::Loading { mail, pending, ctx } [INFO] [stderr] 481 | | ... ); [INFO] [stderr] | |________________________^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/mail.rs:554:9 [INFO] [stderr] | [INFO] [stderr] 554 | mem::replace(resource, Resource::EncData(enc_data)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 39.39s [INFO] running `"docker" "inspect" "8adaf72bd94cf056390db81dd3216234f66ed34ca5391af6ee3748eb147b954f"` [INFO] running `"docker" "rm" "-f" "8adaf72bd94cf056390db81dd3216234f66ed34ca5391af6ee3748eb147b954f"` [INFO] [stdout] 8adaf72bd94cf056390db81dd3216234f66ed34ca5391af6ee3748eb147b954f