[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 try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUnHumbleBen%2Fserde-tutorial" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/UnHumbleBen/serde-tutorial on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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-11/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f0f704a930a9c76de583263b640e8a92b69378d1a1d3e088f66e495487d50a9
[INFO] running `Command { std: "docker" "start" "-a" "8f0f704a930a9c76de583263b640e8a92b69378d1a1d3e088f66e495487d50a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f0f704a930a9c76de583263b640e8a92b69378d1a1d3e088f66e495487d50a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f0f704a930a9c76de583263b640e8a92b69378d1a1d3e088f66e495487d50a9", kill_on_drop: false }`
[INFO] [stdout] 8f0f704a930a9c76de583263b640e8a92b69378d1a1d3e088f66e495487d50a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e4e603d7b2d098828873968881dea491121f0189c0232a8fe749ce93dbd2921
[INFO] running `Command { std: "docker" "start" "-a" "5e4e603d7b2d098828873968881dea491121f0189c0232a8fe749ce93dbd2921", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[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<T> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syn v1.0.3
[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 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 the-visitor-trait v0.1.0 (/opt/rustwide/workdir/the-visitor-trait)
[INFO] [stderr]    Compiling serialize-enum-as-number v0.1.0 (/opt/rustwide/workdir/serialize-enum-as-number)
[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 discarding-data v0.1.0 (/opt/rustwide/workdir/discarding-data)
[INFO] [stderr]    Compiling using-derive v0.1.0 (/opt/rustwide/workdir/using-derive)
[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 serialize-fields-as-camelcase v0.1.0 (/opt/rustwide/workdir/serialize-fields-as-camelcase)
[INFO] [stderr]    Compiling skip-serializing-field v0.1.0 (/opt/rustwide/workdir/skip-serializing-field)
[INFO] [stderr]    Compiling enum-representations v0.1.0 (/opt/rustwide/workdir/enum-representations)
[INFO] [stderr]    Compiling struct-flattening v0.1.0 (/opt/rustwide/workdir/struct-flattening)
[INFO] [stderr]    Compiling handwritten-generic-type-bound v0.1.0 (/opt/rustwide/workdir/handwritten-generic-type-bounds)
[INFO] [stderr]    Compiling custom-serialization v0.1.0 (/opt/rustwide/workdir/custom-serialization)
[INFO] [stderr]    Compiling default-value-for-a-field v0.1.0 (/opt/rustwide/workdir/default-value-for-a-field)
[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: 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: `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: 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: `#[warn(dead_code)]` on by default
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.67s
[INFO] running `Command { std: "docker" "inspect" "5e4e603d7b2d098828873968881dea491121f0189c0232a8fe749ce93dbd2921", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e4e603d7b2d098828873968881dea491121f0189c0232a8fe749ce93dbd2921", kill_on_drop: false }`
[INFO] [stdout] 5e4e603d7b2d098828873968881dea491121f0189c0232a8fe749ce93dbd2921
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab5f7e3aa98fbf4c556833eeaef510b818b0d300b6fcd2937f3705825b049d1b
[INFO] running `Command { std: "docker" "start" "-a" "ab5f7e3aa98fbf4c556833eeaef510b818b0d300b6fcd2937f3705825b049d1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling phantom-data v0.1.0 (/opt/rustwide/workdir/phantom-data)
[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] [stderr]    Compiling handwritten-generic-type-bound v0.1.0 (/opt/rustwide/workdir/handwritten-generic-type-bounds)
[INFO] [stderr]    Compiling the-visitor-trait v0.1.0 (/opt/rustwide/workdir/the-visitor-trait)
[INFO] [stderr]    Compiling skip-serializing-field v0.1.0 (/opt/rustwide/workdir/skip-serializing-field)
[INFO] [stderr]    Compiling using-derive v0.1.0 (/opt/rustwide/workdir/using-derive)
[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 discarding-data v0.1.0 (/opt/rustwide/workdir/discarding-data)
[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 enum-representations v0.1.0 (/opt/rustwide/workdir/enum-representations)
[INFO] [stderr]    Compiling custom-serialization v0.1.0 (/opt/rustwide/workdir/custom-serialization)
[INFO] [stderr]    Compiling serialize-enum-as-number v0.1.0 (/opt/rustwide/workdir/serialize-enum-as-number)
[INFO] [stderr]    Compiling default-value-for-a-field v0.1.0 (/opt/rustwide/workdir/default-value-for-a-field)
[INFO] [stderr]    Compiling manually-implementing-deserialize-for-a-struct v0.1.0 (/opt/rustwide/workdir/manually-implementing-deserialize-for-a-struct)
[INFO] [stderr]    Compiling struct-flattening v0.1.0 (/opt/rustwide/workdir/struct-flattening)
[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<T> {
[INFO] [stdout]    |        ^^^
[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: 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: `#[warn(dead_code)]` on by default
[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: 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: 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `Command { std: "docker" "inspect" "ab5f7e3aa98fbf4c556833eeaef510b818b0d300b6fcd2937f3705825b049d1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab5f7e3aa98fbf4c556833eeaef510b818b0d300b6fcd2937f3705825b049d1b", kill_on_drop: false }`
[INFO] [stdout] ab5f7e3aa98fbf4c556833eeaef510b818b0d300b6fcd2937f3705825b049d1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 78151fb6485c8e5d92de837d143e85d3e39b50cfcb652fa02a4652f64c2b7ee6
[INFO] running `Command { std: "docker" "start" "-a" "78151fb6485c8e5d92de837d143e85d3e39b50cfcb652fa02a4652f64c2b7ee6", kill_on_drop: false }`
[INFO] [stderr] warning: struct is never constructed: `Iter`
[INFO] [stderr]   --> phantom-data/src/main.rs:38:8
[INFO] [stderr]    |
[INFO] [stderr] 38 | struct Iter<'a, T: 'a> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Vec`
[INFO] [stderr]   --> phantom-data/src/main.rs:61:8
[INFO] [stderr]    |
[INFO] [stderr] 61 | struct Vec<T> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[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: 1 warning emitted
[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: 3 warnings emitted
[INFO] [stderr] 
[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: 1 warning emitted
[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: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/attributes-9136cf95029dddce)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/custom_serialization-7c62a55b0bfacb5a)
[INFO] [stdout] 
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[INFO] [stdout] 
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[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serialize_enum_as_number-73badd6d0e6dfc9d)
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[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" "78151fb6485c8e5d92de837d143e85d3e39b50cfcb652fa02a4652f64c2b7ee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78151fb6485c8e5d92de837d143e85d3e39b50cfcb652fa02a4652f64c2b7ee6", kill_on_drop: false }`
[INFO] [stdout] 78151fb6485c8e5d92de837d143e85d3e39b50cfcb652fa02a4652f64c2b7ee6