[INFO] cloning repository https://github.com/ZZH-Finalize/rust-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ZZH-Finalize/rust-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZZH-Finalize%2Frust-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZZH-Finalize%2Frust-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 188d9ab2716abb76a85595ce6d0911fadbb90d85
[INFO] checking ZZH-Finalize/rust-demo against 4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d for pr-159598
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZZH-Finalize%2Frust-demo" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ZZH-Finalize/rust-demo
[INFO] finished tweaking git repo https://github.com/ZZH-Finalize/rust-demo
[INFO] tweaked toml for git repo https://github.com/ZZH-Finalize/rust-demo written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ZZH-Finalize/rust-demo on toolchain 4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ZZH-Finalize/rust-demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 0b419ef7289ff76bf9ecf59aeea5caccb483e682d6a4d650cfb06090b9a5a72c
[INFO] running `Command { std: "docker" "start" "0b419ef7289ff76bf9ecf59aeea5caccb483e682d6a4d650cfb06090b9a5a72c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b419ef7289ff76bf9ecf59aeea5caccb483e682d6a4d650cfb06090b9a5a72c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0b419ef7289ff76bf9ecf59aeea5caccb483e682d6a4d650cfb06090b9a5a72c" "/opt/rustwide/cargo-home/bin/cargo" "+4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b419ef7289ff76bf9ecf59aeea5caccb483e682d6a4d650cfb06090b9a5a72c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0b419ef7289ff76bf9ecf59aeea5caccb483e682d6a4d650cfb06090b9a5a72c" "/opt/rustwide/cargo-home/bin/cargo" "+4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `Serializer`
[INFO] [stdout]  --> src/bin/serde_custom.rs:1:72
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde::{de::Visitor, ser::SerializeStruct, Deserialize, Serialize, Serializer};
[INFO] [stdout]   |                                                                        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fmt::Write`
[INFO] [stdout]  --> src/bin/serde_custom.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{fmt::Write, process::ExitCode};
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Serializer`
[INFO] [stdout]  --> src/bin/serde_custom.rs:1:72
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde::{de::Visitor, ser::SerializeStruct, Deserialize, Serialize, Serializer};
[INFO] [stdout]   |                                                                        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fmt::Write`
[INFO] [stdout]  --> src/bin/serde_custom.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{fmt::Write, process::ExitCode};
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `de::Visitor`
[INFO] [stdout]  --> src/bin/serde_demo.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde::{self, de::Visitor, Deserialize, Serialize};
[INFO] [stdout]   |                   ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::Add`
[INFO] [stdout]  --> src/bin/serde_demo.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{ops::Add, process::ExitCode};
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SomeType1` is never constructed
[INFO] [stdout]  --> src/bin/inner_traits.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 |     pub struct SomeType1 {
[INFO] [stdout]   |                ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SomeType2` is never constructed
[INFO] [stdout]  --> src/bin/inner_traits.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub struct SomeType2 {
[INFO] [stdout]   |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SomeType1` is never constructed
[INFO] [stdout]   --> src/bin/inner_traits.rs:21:16
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub struct SomeType1 {
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SomeType2` is never constructed
[INFO] [stdout]   --> src/bin/inner_traits.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub struct SomeType2 {
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SomeType3` is never constructed
[INFO] [stdout]   --> src/bin/inner_traits.rs:37:16
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub struct SomeType3 {
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `val` is never read
[INFO] [stdout]   --> src/bin/inner_traits.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub struct SomeType1 {
[INFO] [stdout]    |                --------- field in this struct
[INFO] [stdout] 55 |         pub val: u32,
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SomeType1` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SomeType1` is never constructed
[INFO] [stdout]   --> src/bin/inner_traits.rs:71:16
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub struct SomeType1 {
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SomeType2` is never constructed
[INFO] [stdout]   --> src/bin/inner_traits.rs:76:16
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub struct SomeType2 {
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `de::Visitor`
[INFO] [stdout]  --> src/bin/serde_demo.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde::{self, de::Visitor, Deserialize, Serialize};
[INFO] [stdout]   |                   ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::Add`
[INFO] [stdout]  --> src/bin/serde_demo.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{ops::Add, process::ExitCode};
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `val` is never read
[INFO] [stdout]   --> src/bin/inner_traits.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub struct SomeType1 {
[INFO] [stdout]    |                --------- field in this struct
[INFO] [stdout] 55 |         pub val: u32,
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SomeType1` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 08s
[INFO] running `Command { std: "docker" "inspect" "0b419ef7289ff76bf9ecf59aeea5caccb483e682d6a4d650cfb06090b9a5a72c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b419ef7289ff76bf9ecf59aeea5caccb483e682d6a4d650cfb06090b9a5a72c", kill_on_drop: false }`
[INFO] [stdout] 0b419ef7289ff76bf9ecf59aeea5caccb483e682d6a4d650cfb06090b9a5a72c
