[INFO] fetching crate mail-core 0.6.2... [INFO] checking mail-core-0.6.2 against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194 [INFO] extracting crate mail-core 0.6.2 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate mail-core 0.6.2 on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9d2d0208c8eb70e66be7f2be907143536dc0a8bbec472cc0d9fa44f55232ffa2 [INFO] running `Command { std: "docker" "start" "-a" "9d2d0208c8eb70e66be7f2be907143536dc0a8bbec472cc0d9fa44f55232ffa2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9d2d0208c8eb70e66be7f2be907143536dc0a8bbec472cc0d9fa44f55232ffa2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d2d0208c8eb70e66be7f2be907143536dc0a8bbec472cc0d9fa44f55232ffa2", kill_on_drop: false }` [INFO] [stdout] 9d2d0208c8eb70e66be7f2be907143536dc0a8bbec472cc0d9fa44f55232ffa2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e49c4c1b4c25e2eeef3a25dec290ec51fafc1adacd88588dc265986bc152e7e2 [INFO] running `Command { std: "docker" "start" "-a" "e49c4c1b4c25e2eeef3a25dec290ec51fafc1adacd88588dc265986bc152e7e2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.97 [INFO] [stderr] Checking quoted-string v0.6.1 [INFO] [stderr] Checking safemem v0.2.0 [INFO] [stderr] Checking vec1 v1.8.0 [INFO] [stderr] Compiling checked_command v0.2.4 [INFO] [stderr] Checking soft-ascii-string v1.1.0 [INFO] [stderr] Checking vec-drain-where v1.0.1 [INFO] [stderr] Checking lut v0.1.0-unstable [INFO] [stderr] Checking serde_test v1.0.126 [INFO] [stderr] Checking base64 v0.6.0 [INFO] [stderr] Checking total-order-multi-map v0.4.6 [INFO] [stderr] Checking media-type-impl-utils v0.3.0-unstable [INFO] [stderr] Checking media-type v0.4.0-unstable [INFO] [stderr] Checking memchr v1.0.2 [INFO] [stderr] Checking backtrace v0.3.60 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking nom v3.2.1 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking rand v0.3.23 [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] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:78:32 [INFO] [stdout] | [INFO] [stdout] 78 | fn cause(&self) -> Option<&Fail> { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Fail` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/utils.rs:13:36 [INFO] [stdout] | [INFO] [stdout] 13 | pub type SendBoxFuture = Box + Send + 'static>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + Send + 'static` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:78:32 [INFO] [stdout] | [INFO] [stdout] 78 | fn cause(&self) -> Option<&Fail> { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Fail` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/utils.rs:13:36 [INFO] [stdout] | [INFO] [stdout] 13 | pub type SendBoxFuture = Box + Send + 'static>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + Send + 'static` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/mail.rs:600:17 [INFO] [stdout] | [INFO] [stdout] 600 | let mut headers: &mut HeaderMap = headers; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/mail.rs:600:17 [INFO] [stdout] | [INFO] [stdout] 600 | let mut headers: &mut HeaderMap = headers; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/resource/loading.rs:184:21 [INFO] [stdout] | [INFO] [stdout] 184 | mem::replace(resource_ref, new_resource.to_resource()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/mail.rs:466:21 [INFO] [stdout] | [INFO] [stdout] 466 | / mem::replace( [INFO] [stdout] 467 | | &mut self.inner, [INFO] [stdout] 468 | | InnerMailFuture::Loading { [INFO] [stdout] 469 | | mail, ctx, [INFO] [stdout] 470 | | pending: future::join_all(futures) [INFO] [stdout] 471 | | } [INFO] [stdout] 472 | | ); [INFO] [stdout] | |______________________^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/mail.rs:478:29 [INFO] [stdout] | [INFO] [stdout] 478 | / ... mem::replace( [INFO] [stdout] 479 | | ... &mut self.inner, [INFO] [stdout] 480 | | ... InnerMailFuture::Loading { mail, pending, ctx } [INFO] [stdout] 481 | | ... ); [INFO] [stdout] | |________________________^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/mail.rs:554:9 [INFO] [stdout] | [INFO] [stdout] 554 | mem::replace(resource, Resource::EncData(enc_data)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/resource/loading.rs:184:21 [INFO] [stdout] | [INFO] [stdout] 184 | mem::replace(resource_ref, new_resource.to_resource()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/mail.rs:466:21 [INFO] [stdout] | [INFO] [stdout] 466 | / mem::replace( [INFO] [stdout] 467 | | &mut self.inner, [INFO] [stdout] 468 | | InnerMailFuture::Loading { [INFO] [stdout] 469 | | mail, ctx, [INFO] [stdout] 470 | | pending: future::join_all(futures) [INFO] [stdout] 471 | | } [INFO] [stdout] 472 | | ); [INFO] [stdout] | |______________________^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/mail.rs:478:29 [INFO] [stdout] | [INFO] [stdout] 478 | / ... mem::replace( [INFO] [stdout] 479 | | ... &mut self.inner, [INFO] [stdout] 480 | | ... InnerMailFuture::Loading { mail, pending, ctx } [INFO] [stdout] 481 | | ... ); [INFO] [stdout] | |________________________^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/mail.rs:554:9 [INFO] [stdout] | [INFO] [stdout] 554 | mem::replace(resource, Resource::EncData(enc_data)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.92s [INFO] running `Command { std: "docker" "inspect" "e49c4c1b4c25e2eeef3a25dec290ec51fafc1adacd88588dc265986bc152e7e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e49c4c1b4c25e2eeef3a25dec290ec51fafc1adacd88588dc265986bc152e7e2", kill_on_drop: false }` [INFO] [stdout] e49c4c1b4c25e2eeef3a25dec290ec51fafc1adacd88588dc265986bc152e7e2