[INFO] cloning repository https://github.com/UnHumbleBen/serde-tutorial [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/UnHumbleBen/serde-tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUnHumbleBen%2Fserde-tutorial", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUnHumbleBen%2Fserde-tutorial'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cf3ef9af0f449ed6c74e67ce5a867643c7d38fab [INFO] testing UnHumbleBen/serde-tutorial against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUnHumbleBen%2Fserde-tutorial" "/workspace/builds/worker-115/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-115/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/UnHumbleBen/serde-tutorial on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/UnHumbleBen/serde-tutorial [INFO] finished tweaking git repo https://github.com/UnHumbleBen/serde-tutorial [INFO] tweaked toml for git repo https://github.com/UnHumbleBen/serde-tutorial written to /workspace/builds/worker-115/source/Cargo.toml [INFO] crate git repo https://github.com/UnHumbleBen/serde-tutorial already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_repr v0.1.5 [INFO] [stderr] Downloaded syn v1.0.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 014551dc5ed73f969cc3b40eba1b66fb48aba9458d481d6e1e821910174cdd41 [INFO] running `Command { std: "docker" "start" "-a" "014551dc5ed73f969cc3b40eba1b66fb48aba9458d481d6e1e821910174cdd41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "014551dc5ed73f969cc3b40eba1b66fb48aba9458d481d6e1e821910174cdd41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "014551dc5ed73f969cc3b40eba1b66fb48aba9458d481d6e1e821910174cdd41", kill_on_drop: false }` [INFO] [stdout] 014551dc5ed73f969cc3b40eba1b66fb48aba9458d481d6e1e821910174cdd41 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fc3812b4a9378c26d3c41845e43e78799b650f6ba9d41c58d3415d5cbf2b577d [INFO] running `Command { std: "docker" "start" "-a" "fc3812b4a9378c26d3c41845e43e78799b650f6ba9d41c58d3415d5cbf2b577d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.1 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.3 [INFO] [stderr] Compiling serde v1.0.99 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling phantom-data v0.1.0 (/opt/rustwide/workdir/phantom-data) [INFO] [stdout] warning: struct is never constructed: `Iter` [INFO] [stdout] --> phantom-data/src/main.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 38 | struct Iter<'a, T: 'a> { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Vec` [INFO] [stdout] --> phantom-data/src/main.rs:61:8 [INFO] [stdout] | [INFO] [stdout] 61 | struct Vec { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling serde_derive v1.0.99 [INFO] [stderr] Compiling serde_repr v0.1.5 [INFO] [stderr] Compiling serde_json v1.0.40 [INFO] [stderr] Compiling implement-deserialize-for-a-custom-map-type v0.1.0 (/opt/rustwide/workdir/implement-deserialize-for-a-custom-map-type) [INFO] [stderr] Compiling attributes v0.1.0 (/opt/rustwide/workdir/attributes) [INFO] [stderr] Compiling serialize-fields-as-camelcase v0.1.0 (/opt/rustwide/workdir/serialize-fields-as-camelcase) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> manually-implementing-deserialize-for-a-struct/src/main.rs:28:10 [INFO] [stdout] | [INFO] [stdout] 28 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling the-visitor-trait v0.1.0 (/opt/rustwide/workdir/the-visitor-trait) [INFO] [stdout] warning: field is never read: `secs` [INFO] [stdout] --> manually-implementing-deserialize-for-a-struct/src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | secs: u64, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling deriving-de-serialize-for-type-in-a-different-crate v0.1.0 (/opt/rustwide/workdir/deriving-de-serialize-for-type-in-a-different-crate) [INFO] [stdout] warning: field is never read: `nanos` [INFO] [stdout] --> manually-implementing-deserialize-for-a-struct/src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | nanos: u32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling default-value-for-a-field v0.1.0 (/opt/rustwide/workdir/default-value-for-a-field) [INFO] [stdout] warning: field is never read: `resource` [INFO] [stdout] --> default-value-for-a-field/src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | resource: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Request` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> default-value-for-a-field/src/main.rs:8:23 [INFO] [stdout] | [INFO] [stdout] 8 | #[derive(Deserialize, Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling handwritten-generic-type-bound v0.1.0 (/opt/rustwide/workdir/handwritten-generic-type-bounds) [INFO] [stdout] warning: field is never read: `timeout` [INFO] [stdout] --> default-value-for-a-field/src/main.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | timeout: Timeout, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Request` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> default-value-for-a-field/src/main.rs:8:23 [INFO] [stdout] | [INFO] [stdout] 8 | #[derive(Deserialize, Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling enum-representations v0.1.0 (/opt/rustwide/workdir/enum-representations) [INFO] [stdout] warning: field is never read: `priority` [INFO] [stdout] --> default-value-for-a-field/src/main.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | priority: Priority, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Request` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> default-value-for-a-field/src/main.rs:8:23 [INFO] [stdout] | [INFO] [stdout] 8 | #[derive(Deserialize, Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling using-derive v0.1.0 (/opt/rustwide/workdir/using-derive) [INFO] [stdout] warning: field is never read: `hash` [INFO] [stdout] --> skip-serializing-field/src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | hash: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling serialize-enum-as-number v0.1.0 (/opt/rustwide/workdir/serialize-enum-as-number) [INFO] [stdout] warning: field is never read: `s` [INFO] [stdout] --> handwritten-generic-type-bounds/src/main.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | s: S, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Outer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> handwritten-generic-type-bounds/src/main.rs:20:23 [INFO] [stdout] | [INFO] [stdout] 20 | #[derive(Deserialize, Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling manually-implementing-deserialize-for-a-struct v0.1.0 (/opt/rustwide/workdir/manually-implementing-deserialize-for-a-struct) [INFO] [stdout] warning: field is never read: `ptr` [INFO] [stdout] --> handwritten-generic-type-bounds/src/main.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | ptr: Ptr<'a, T>, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Outer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> handwritten-generic-type-bounds/src/main.rs:20:23 [INFO] [stdout] | [INFO] [stdout] 20 | #[derive(Deserialize, Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling custom-serialization v0.1.0 (/opt/rustwide/workdir/custom-serialization) [INFO] [stdout] warning: variant is never constructed: `Ref` [INFO] [stdout] --> handwritten-generic-type-bounds/src/main.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 60 | Ref(&'a T), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Ptr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> handwritten-generic-type-bounds/src/main.rs:58:10 [INFO] [stdout] | [INFO] [stdout] 58 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling skip-serializing-field v0.1.0 (/opt/rustwide/workdir/skip-serializing-field) [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> processing-an-array-of-values-without-buffering-into-a-vec/src/main.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | id: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling processing-an-array-of-values-without-buffering-into-a-vec v0.1.0 (/opt/rustwide/workdir/processing-an-array-of-values-without-buffering-into-a-vec) [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling struct-flattening v0.1.0 (/opt/rustwide/workdir/struct-flattening) [INFO] [stderr] Compiling discarding-data v0.1.0 (/opt/rustwide/workdir/discarding-data) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4m 26s [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "fc3812b4a9378c26d3c41845e43e78799b650f6ba9d41c58d3415d5cbf2b577d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fc3812b4a9378c26d3c41845e43e78799b650f6ba9d41c58d3415d5cbf2b577d", kill_on_drop: false }` [INFO] [stdout] fc3812b4a9378c26d3c41845e43e78799b650f6ba9d41c58d3415d5cbf2b577d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1688d3e4dbb2178dff9a53419a43f3762c04fb37ceddbd485650237811549b25 [INFO] running `Command { std: "docker" "start" "-a" "1688d3e4dbb2178dff9a53419a43f3762c04fb37ceddbd485650237811549b25", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling phantom-data v0.1.0 (/opt/rustwide/workdir/phantom-data) [INFO] [stderr] Compiling attributes v0.1.0 (/opt/rustwide/workdir/attributes) [INFO] [stderr] Compiling implement-deserialize-for-a-custom-map-type v0.1.0 (/opt/rustwide/workdir/implement-deserialize-for-a-custom-map-type) [INFO] [stderr] Compiling handwritten-generic-type-bound v0.1.0 (/opt/rustwide/workdir/handwritten-generic-type-bounds) [INFO] [stderr] Compiling discarding-data v0.1.0 (/opt/rustwide/workdir/discarding-data) [INFO] [stderr] Compiling serialize-enum-as-number v0.1.0 (/opt/rustwide/workdir/serialize-enum-as-number) [INFO] [stderr] Compiling serialize-fields-as-camelcase v0.1.0 (/opt/rustwide/workdir/serialize-fields-as-camelcase) [INFO] [stderr] Compiling using-derive v0.1.0 (/opt/rustwide/workdir/using-derive) [INFO] [stderr] Compiling the-visitor-trait v0.1.0 (/opt/rustwide/workdir/the-visitor-trait) [INFO] [stderr] Compiling deriving-de-serialize-for-type-in-a-different-crate v0.1.0 (/opt/rustwide/workdir/deriving-de-serialize-for-type-in-a-different-crate) [INFO] [stderr] Compiling custom-serialization v0.1.0 (/opt/rustwide/workdir/custom-serialization) [INFO] [stderr] Compiling skip-serializing-field v0.1.0 (/opt/rustwide/workdir/skip-serializing-field) [INFO] [stderr] Compiling processing-an-array-of-values-without-buffering-into-a-vec v0.1.0 (/opt/rustwide/workdir/processing-an-array-of-values-without-buffering-into-a-vec) [INFO] [stderr] Compiling manually-implementing-deserialize-for-a-struct v0.1.0 (/opt/rustwide/workdir/manually-implementing-deserialize-for-a-struct) [INFO] [stderr] Compiling default-value-for-a-field v0.1.0 (/opt/rustwide/workdir/default-value-for-a-field) [INFO] [stderr] Compiling struct-flattening v0.1.0 (/opt/rustwide/workdir/struct-flattening) [INFO] [stderr] Compiling enum-representations v0.1.0 (/opt/rustwide/workdir/enum-representations) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> manually-implementing-deserialize-for-a-struct/src/main.rs:28:10 [INFO] [stdout] | [INFO] [stdout] 28 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Iter` [INFO] [stdout] --> phantom-data/src/main.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 38 | struct Iter<'a, T: 'a> { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Vec` [INFO] [stdout] --> phantom-data/src/main.rs:61:8 [INFO] [stdout] | [INFO] [stdout] 61 | struct Vec { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `secs` [INFO] [stdout] --> manually-implementing-deserialize-for-a-struct/src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | secs: u64, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `nanos` [INFO] [stdout] --> manually-implementing-deserialize-for-a-struct/src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | nanos: u32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `resource` [INFO] [stdout] --> default-value-for-a-field/src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | resource: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Request` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> default-value-for-a-field/src/main.rs:8:23 [INFO] [stdout] | [INFO] [stdout] 8 | #[derive(Deserialize, Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `timeout` [INFO] [stdout] --> default-value-for-a-field/src/main.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | timeout: Timeout, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Request` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> default-value-for-a-field/src/main.rs:8:23 [INFO] [stdout] | [INFO] [stdout] 8 | #[derive(Deserialize, Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `priority` [INFO] [stdout] --> default-value-for-a-field/src/main.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | priority: Priority, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Request` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> default-value-for-a-field/src/main.rs:8:23 [INFO] [stdout] | [INFO] [stdout] 8 | #[derive(Deserialize, Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> processing-an-array-of-values-without-buffering-into-a-vec/src/main.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | id: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `hash` [INFO] [stdout] --> skip-serializing-field/src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | hash: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `s` [INFO] [stdout] --> handwritten-generic-type-bounds/src/main.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | s: S, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Outer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> handwritten-generic-type-bounds/src/main.rs:20:23 [INFO] [stdout] | [INFO] [stdout] 20 | #[derive(Deserialize, Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `ptr` [INFO] [stdout] --> handwritten-generic-type-bounds/src/main.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | ptr: Ptr<'a, T>, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Outer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> handwritten-generic-type-bounds/src/main.rs:20:23 [INFO] [stdout] | [INFO] [stdout] 20 | #[derive(Deserialize, Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Ref` [INFO] [stdout] --> handwritten-generic-type-bounds/src/main.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 60 | Ref(&'a T), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Ptr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> handwritten-generic-type-bounds/src/main.rs:58:10 [INFO] [stdout] | [INFO] [stdout] 58 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 4m 20s [INFO] running `Command { std: "docker" "inspect" "1688d3e4dbb2178dff9a53419a43f3762c04fb37ceddbd485650237811549b25", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1688d3e4dbb2178dff9a53419a43f3762c04fb37ceddbd485650237811549b25", kill_on_drop: false }` [INFO] [stdout] 1688d3e4dbb2178dff9a53419a43f3762c04fb37ceddbd485650237811549b25 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] fb9848beab45d6d41d314437e1cdb48e7fcc871988514698ee3a1f8c69cbfcad [INFO] running `Command { std: "docker" "start" "-a" "fb9848beab45d6d41d314437e1cdb48e7fcc871988514698ee3a1f8c69cbfcad", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] [INFO] [stderr] warning: struct is never constructed: `Iter` [INFO] [stdout] running 0 tests [INFO] [stderr] --> phantom-data/src/main.rs:38:8 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 38 | struct Iter<'a, T: 'a> { [INFO] [stdout] [INFO] [stderr] | ^^^^ [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] running 0 tests [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stderr] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] warning: struct is never constructed: `Vec` [INFO] [stdout] [INFO] [stderr] --> phantom-data/src/main.rs:61:8 [INFO] [stderr] | [INFO] [stderr] 61 | struct Vec { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: `phantom-data` (bin "phantom-data" test) generated 2 warnings [INFO] [stderr] warning: field is never read: `id` [INFO] [stderr] --> processing-an-array-of-values-without-buffering-into-a-vec/src/main.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | id: String, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `hash` [INFO] [stderr] --> skip-serializing-field/src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | hash: String, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `resource` [INFO] [stderr] --> default-value-for-a-field/src/main.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | resource: String, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `Request` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> default-value-for-a-field/src/main.rs:8:23 [INFO] [stderr] | [INFO] [stderr] 8 | #[derive(Deserialize, Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `timeout` [INFO] [stderr] --> default-value-for-a-field/src/main.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | timeout: Timeout, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Request` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> default-value-for-a-field/src/main.rs:8:23 [INFO] [stderr] | [INFO] [stderr] 8 | #[derive(Deserialize, Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `priority` [INFO] [stderr] --> default-value-for-a-field/src/main.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | priority: Priority, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Request` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> default-value-for-a-field/src/main.rs:8:23 [INFO] [stderr] | [INFO] [stderr] 8 | #[derive(Deserialize, Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `s` [INFO] [stderr] --> handwritten-generic-type-bounds/src/main.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | s: S, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `Outer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> handwritten-generic-type-bounds/src/main.rs:20:23 [INFO] [stderr] | [INFO] [stderr] 20 | #[derive(Deserialize, Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `ptr` [INFO] [stderr] --> handwritten-generic-type-bounds/src/main.rs:37:5 [INFO] [stderr] | [INFO] [stderr] 37 | ptr: Ptr<'a, T>, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Outer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> handwritten-generic-type-bounds/src/main.rs:20:23 [INFO] [stderr] | [INFO] [stderr] 20 | #[derive(Deserialize, Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Ref` [INFO] [stderr] --> handwritten-generic-type-bounds/src/main.rs:60:5 [INFO] [stderr] | [INFO] [stderr] 60 | Ref(&'a T), [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Ptr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> handwritten-generic-type-bounds/src/main.rs:58:10 [INFO] [stderr] | [INFO] [stderr] 58 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> manually-implementing-deserialize-for-a-struct/src/main.rs:28:10 [INFO] [stderr] | [INFO] [stderr] 28 | }; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `secs` [INFO] [stderr] --> manually-implementing-deserialize-for-a-struct/src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | secs: u64, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `nanos` [INFO] [stderr] --> manually-implementing-deserialize-for-a-struct/src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | nanos: u32, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `processing-an-array-of-values-without-buffering-into-a-vec` (bin "processing-an-array-of-values-without-buffering-into-a-vec" test) generated 1 warning [INFO] [stderr] warning: `skip-serializing-field` (bin "skip-serializing-field" test) generated 1 warning [INFO] [stderr] warning: `default-value-for-a-field` (bin "default-value-for-a-field" test) generated 3 warnings [INFO] [stderr] warning: `handwritten-generic-type-bound` (bin "handwritten-generic-type-bound" test) generated 3 warnings [INFO] [stderr] warning: `manually-implementing-deserialize-for-a-struct` (bin "manually-implementing-deserialize-for-a-struct" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 4.15s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/attributes-409fce36abc15170) [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/custom_serialization-d52f48ebd0d0917e) [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/default_value_for_a_field-a2a8a45a780e0d5e) [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/deriving_de_serialize_for_type_in_a_different_crate-c46b371b450e04eb) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/discarding_data-97c8226e429ec637) [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/enum_representations-0699e14ad8813d0a) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/handwritten_generic_type_bound-3397650b2832a6a0) [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/implement_deserialize_for_a_custom_map_type-f4fb0b503b0a6641) [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/manually_implementing_deserialize_for_a_struct-177e0d0de5d4bf09) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/phantom_data-e03a1a7ca014ce94) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/processing_an_array_of_values_without_buffering_into_a_vec-409a53835442ba42) [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/serialize_enum_as_number-2bfcaa2b457ed51d) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/serialize_fields_as_camelcase-6895a9bb0be9f426) [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/skip_serializing_field-e20285b5924fe91b) [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/struct_flattening-22eca14f9024d03a) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/the_visitor_trait-6bcda66cd7b2a622) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/using_derive-371768fd8172d5dc) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "fb9848beab45d6d41d314437e1cdb48e7fcc871988514698ee3a1f8c69cbfcad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb9848beab45d6d41d314437e1cdb48e7fcc871988514698ee3a1f8c69cbfcad", kill_on_drop: false }` [INFO] [stdout] fb9848beab45d6d41d314437e1cdb48e7fcc871988514698ee3a1f8c69cbfcad