[INFO] cloning repository https://github.com/nrskt/rust-serde-sample
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nrskt/rust-serde-sample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnrskt%2Frust-serde-sample", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnrskt%2Frust-serde-sample'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f14ed1056e555978f68b39fe14e2084d12690bd
[INFO] checking nrskt/rust-serde-sample against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnrskt%2Frust-serde-sample" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nrskt/rust-serde-sample on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nrskt/rust-serde-sample
[INFO] finished tweaking git repo https://github.com/nrskt/rust-serde-sample
[INFO] tweaked toml for git repo https://github.com/nrskt/rust-serde-sample written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nrskt/rust-serde-sample 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.110
[INFO] [stderr]   Downloaded quote v1.0.5
[INFO] [stderr]   Downloaded serde_derive v1.0.110
[INFO] [stderr]   Downloaded syn v1.0.21
[INFO] [stderr]   Downloaded bstr v0.2.13
[INFO] [stderr]   Downloaded csv v1.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e519b7ed298915622307478d467429c2b83ff99c736f2f6a7b4537b02e92d65d
[INFO] running `Command { std: "docker" "start" "-a" "e519b7ed298915622307478d467429c2b83ff99c736f2f6a7b4537b02e92d65d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e519b7ed298915622307478d467429c2b83ff99c736f2f6a7b4537b02e92d65d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e519b7ed298915622307478d467429c2b83ff99c736f2f6a7b4537b02e92d65d", kill_on_drop: false }`
[INFO] [stdout] e519b7ed298915622307478d467429c2b83ff99c736f2f6a7b4537b02e92d65d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26aa7c8ef8203d16e776c095a0c7e6180c6e1df9367b0dbe21ffc28bc0bc98b1
[INFO] running `Command { std: "docker" "start" "-a" "26aa7c8ef8203d16e776c095a0c7e6180c6e1df9367b0dbe21ffc28bc0bc98b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.21
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling quote v1.0.5
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking core v0.1.0 (/opt/rustwide/workdir/core)
[INFO] [stderr]     Checking csv v0.1.0 (/opt/rustwide/workdir/csv)
[INFO] [stdout] warning: unused import: `de`
[INFO] [stdout]  --> csv/src/pattern_1.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde::{de, Deserialize, Serialize, Serializer};
[INFO] [stdout]   |             ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `de`
[INFO] [stdout]  --> csv/src/pattern_2.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde::{de, Deserialize, Serialize, Serializer};
[INFO] [stdout]   |             ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `de`
[INFO] [stdout]  --> csv/src/pattern_1.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde::{de, Deserialize, Serialize, Serializer};
[INFO] [stdout]   |             ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `de`
[INFO] [stdout]  --> csv/src/pattern_2.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde::{de, Deserialize, Serialize, Serializer};
[INFO] [stdout]   |             ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `value` is never used
[INFO] [stdout]   --> csv/src/pattern_1.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl<T, Target> CsvValue<T, Target> {
[INFO] [stdout]    | ----------------------------------- method in this implementation
[INFO] [stdout] 22 |     pub fn value(&self) -> &T {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ToCsv` is never used
[INFO] [stdout]   --> csv/src/pattern_1.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 | trait ToCsv<T, Target>: Clone {
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FromCsv` is never used
[INFO] [stdout]   --> csv/src/pattern_1.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 | trait FromCsv<T>: Sized {
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `DefaultTarget` is never used
[INFO] [stdout]   --> csv/src/pattern_1.rs:42:6
[INFO] [stdout]    |
[INFO] [stdout] 42 | enum DefaultTarget {}
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Japanese` is never used
[INFO] [stdout]   --> csv/src/pattern_1.rs:45:6
[INFO] [stdout]    |
[INFO] [stdout] 45 | enum Japanese {}
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `value` are never used
[INFO] [stdout]   --> csv/src/pattern_2.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl<After, Before, Target> CsvValue<After, Before, Target> {
[INFO] [stdout]    | ----------------------------------------------------------- associated items in this implementation
[INFO] [stdout] 25 |     pub fn new(value: After) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn value(&self) -> &After {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ToCsv` is never used
[INFO] [stdout]   --> csv/src/pattern_2.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 | trait ToCsv<After, Before, Target>: Clone {
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FromCsv` is never used
[INFO] [stdout]   --> csv/src/pattern_2.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 | trait FromCsv<T>: Sized {
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `DefaultTarget` is never used
[INFO] [stdout]   --> csv/src/pattern_2.rs:42:6
[INFO] [stdout]    |
[INFO] [stdout] 42 | enum DefaultTarget {}
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Japanese` is never used
[INFO] [stdout]   --> csv/src/pattern_2.rs:45:6
[INFO] [stdout]    |
[INFO] [stdout] 45 | enum Japanese {}
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FromCsv` is never used
[INFO] [stdout]   --> csv/src/pattern_1.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 | trait FromCsv<T>: Sized {
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FromCsv` is never used
[INFO] [stdout]   --> csv/src/pattern_2.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 | trait FromCsv<T>: Sized {
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.21s
[INFO] running `Command { std: "docker" "inspect" "26aa7c8ef8203d16e776c095a0c7e6180c6e1df9367b0dbe21ffc28bc0bc98b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26aa7c8ef8203d16e776c095a0c7e6180c6e1df9367b0dbe21ffc28bc0bc98b1", kill_on_drop: false }`
[INFO] [stdout] 26aa7c8ef8203d16e776c095a0c7e6180c6e1df9367b0dbe21ffc28bc0bc98b1