[INFO] fetching crate zlo 0.1.0... [INFO] checking zlo-0.1.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] extracting crate zlo 0.1.0 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate zlo 0.1.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate zlo 0.1.0 [INFO] finished tweaking crates.io crate zlo 0.1.0 [INFO] tweaked toml for crates.io crate zlo 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 8 packages to latest compatible versions [INFO] [stderr] Adding serde_bytes v0.10.5 (latest: v0.11.15) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 180c8ddbd2a00fe9e5674e60cb1a468ac7bad249f6817dd55d7ce15e7f20a5b0 [INFO] running `Command { std: "docker" "start" "-a" "180c8ddbd2a00fe9e5674e60cb1a468ac7bad249f6817dd55d7ce15e7f20a5b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "180c8ddbd2a00fe9e5674e60cb1a468ac7bad249f6817dd55d7ce15e7f20a5b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "180c8ddbd2a00fe9e5674e60cb1a468ac7bad249f6817dd55d7ce15e7f20a5b0", kill_on_drop: false }` [INFO] [stdout] 180c8ddbd2a00fe9e5674e60cb1a468ac7bad249f6817dd55d7ce15e7f20a5b0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5ce628cc7fac115d5afdeccc74e4bfaf79d838f5670c312b733cd6d06b3038f3 [INFO] running `Command { std: "docker" "start" "-a" "5ce628cc7fac115d5afdeccc74e4bfaf79d838f5670c312b733cd6d06b3038f3", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling serde v1.0.209 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking serde_bytes v0.10.5 [INFO] [stderr] Checking zlo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/de/mod.rs:84:24 [INFO] [stdout] | [INFO] [stdout] 84 | let w = if a { (self.store >> self.shift) } else { 0 } [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 84 - let w = if a { (self.store >> self.shift) } else { 0 } [INFO] [stdout] 84 + let w = if a { self.store >> self.shift } else { 0 } [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/de/mod.rs:85:28 [INFO] [stdout] | [INFO] [stdout] 85 | | (s << if a { (8 - self.shift) } else { 0 }); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 85 - | (s << if a { (8 - self.shift) } else { 0 }); [INFO] [stdout] 85 + | (s << if a { 8 - self.shift } else { 0 }); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/de/mod.rs:434:29 [INFO] [stdout] | [INFO] [stdout] 434 | let value = try!(serde::de::DeserializeSeed::deserialize( [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:70:49 [INFO] [stdout] | [INFO] [stdout] 70 | Error::Io(ref err) => error::Error::description(err), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:79:32 [INFO] [stdout] | [INFO] [stdout] 79 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 79 | fn cause(&self) -> Option<&dyn error::Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling serde_derive v1.0.209 [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `zlo::Infinite` [INFO] [stdout] --> examples/float_delta.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use zlo::Infinite; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `zlo::deserialize` [INFO] [stdout] --> examples/float_delta.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use zlo::deserialize; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `zlo::serialize` [INFO] [stdout] --> examples/float_delta.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use zlo::serialize; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `f32_diff` is never used [INFO] [stdout] --> examples/float_delta.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | fn f32_diff(a: f32, b: f32) -> f32 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `f64_diff` is never used [INFO] [stdout] --> examples/float_delta.rs:24:4 [INFO] [stdout] | [INFO] [stdout] 24 | fn f64_diff(a: f64, b: f64) -> f64 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> tests/test.rs:193:6 [INFO] [stdout] | [INFO] [stdout] 193 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/de/mod.rs:84:24 [INFO] [stdout] | [INFO] [stdout] 84 | let w = if a { (self.store >> self.shift) } else { 0 } [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 84 - let w = if a { (self.store >> self.shift) } else { 0 } [INFO] [stdout] 84 + let w = if a { self.store >> self.shift } else { 0 } [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/de/mod.rs:85:28 [INFO] [stdout] | [INFO] [stdout] 85 | | (s << if a { (8 - self.shift) } else { 0 }); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 85 - | (s << if a { (8 - self.shift) } else { 0 }); [INFO] [stdout] 85 + | (s << if a { 8 - self.shift } else { 0 }); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/de/mod.rs:434:29 [INFO] [stdout] | [INFO] [stdout] 434 | let value = try!(serde::de::DeserializeSeed::deserialize( [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:70:49 [INFO] [stdout] | [INFO] [stdout] 70 | Error::Io(ref err) => error::Error::description(err), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:79:32 [INFO] [stdout] | [INFO] [stdout] 79 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 79 | fn cause(&self) -> Option<&dyn error::Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.84s [INFO] running `Command { std: "docker" "inspect" "5ce628cc7fac115d5afdeccc74e4bfaf79d838f5670c312b733cd6d06b3038f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ce628cc7fac115d5afdeccc74e4bfaf79d838f5670c312b733cd6d06b3038f3", kill_on_drop: false }` [INFO] [stdout] 5ce628cc7fac115d5afdeccc74e4bfaf79d838f5670c312b733cd6d06b3038f3