[INFO] fetching crate csv 1.1.6...
[INFO] checking csv-1.1.6 against master#10f4ce324baf7cfb7ce2b2096662b82b79204944 for pr-98370-1
[INFO] extracting crate csv 1.1.6 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate csv 1.1.6 on toolchain 10f4ce324baf7cfb7ce2b2096662b82b79204944
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+10f4ce324baf7cfb7ce2b2096662b82b79204944" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate csv 1.1.6
[INFO] finished tweaking crates.io crate csv 1.1.6
[INFO] tweaked toml for crates.io crate csv 1.1.6 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate csv 1.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+10f4ce324baf7cfb7ce2b2096662b82b79204944" "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 csv-core v0.1.10
[INFO] [stderr]   Downloaded memchr v2.3.4
[INFO] [stderr]   Downloaded regex-automata v0.1.9
[INFO] [stderr]   Downloaded quote v1.0.7
[INFO] [stderr]   Downloaded bstr v0.2.14
[INFO] [stderr]   Downloaded proc-macro2 v1.0.24
[INFO] [stderr]   Downloaded itoa v0.4.6
[INFO] [stderr]   Downloaded serde v1.0.117
[INFO] [stderr]   Downloaded ryu v1.0.5
[INFO] [stderr]   Downloaded serde_derive v1.0.117
[INFO] [stderr]   Downloaded byteorder v1.3.4
[INFO] [stderr]   Downloaded syn v1.0.48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+10f4ce324baf7cfb7ce2b2096662b82b79204944" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69fc637082b5e660a1e8edcdd0ba1b4bc47307744457334c1693ce2075d9e822
[INFO] running `Command { std: "docker" "start" "-a" "69fc637082b5e660a1e8edcdd0ba1b4bc47307744457334c1693ce2075d9e822", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69fc637082b5e660a1e8edcdd0ba1b4bc47307744457334c1693ce2075d9e822", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69fc637082b5e660a1e8edcdd0ba1b4bc47307744457334c1693ce2075d9e822", kill_on_drop: false }`
[INFO] [stdout] 69fc637082b5e660a1e8edcdd0ba1b4bc47307744457334c1693ce2075d9e822
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+10f4ce324baf7cfb7ce2b2096662b82b79204944" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] caa1e243886b0b5b5d5a09e5608081f26e0586fed20009bd783bc2aa7837b78d
[INFO] running `Command { std: "docker" "start" "-a" "caa1e243886b0b5b5d5a09e5608081f26e0586fed20009bd783bc2aa7837b78d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking csv v1.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/deserializer.rs:916:22
[INFO] [stdout]     |
[INFO] [stdout] 916 |         struct Bar {};
[INFO] [stdout]     |                      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `city`, `region`, `country` and `population` are never read
[INFO] [stdout]   --> examples/cookbook-read-serde.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Record {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 11 |     city: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 12 |     region: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 13 |     country: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 14 |     population: Option<u64>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `Record` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `latitude`, `longitude`, `population`, `city` and `state` are never read
[INFO] [stdout]   --> examples/tutorial-read-serde-invalid-01.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | struct Record {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 10 |     latitude: f64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 11 |     longitude: f64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 12 |     population: Option<u64>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 13 |     city: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 14 |     state: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `Record` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `city`, `accent_city`, `population`, `latitude` and `longitude` are never read
[INFO] [stdout]   --> examples/tutorial-perf-serde-03.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | struct Record<'a> {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 10 |     country: &'a [u8],
[INFO] [stdout] 11 |     city: &'a [u8],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 12 |     accent_city: &'a [u8],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 13 |     region: &'a [u8],
[INFO] [stdout] 14 |     population: Option<u64>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 15 |     latitude: f64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 16 |     longitude: f64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `Record` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `latitude`, `longitude`, `population`, `city` and `state` are never read
[INFO] [stdout]   --> examples/tutorial-read-serde-invalid-02.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | struct Record {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 9  |     latitude: f64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 10 |     longitude: f64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 11 |     #[serde(deserialize_with = "csv::invalid_option")]
[INFO] [stdout] 12 |     population: Option<u64>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 13 |     city: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 14 |     state: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `Record` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `city`, `accent_city`, `population`, `latitude` and `longitude` are never read
[INFO] [stdout]   --> examples/tutorial-perf-serde-01.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | struct Record {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 10 |     country: String,
[INFO] [stdout] 11 |     city: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 12 |     accent_city: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 13 |     region: String,
[INFO] [stdout] 14 |     population: Option<u64>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 15 |     latitude: f64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 16 |     longitude: f64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `Record` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `city`, `accent_city`, `population`, `latitude` and `longitude` are never read
[INFO] [stdout]   --> examples/tutorial-perf-serde-02.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | struct Record<'a> {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 10 |     country: &'a str,
[INFO] [stdout] 11 |     city: &'a str,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 12 |     accent_city: &'a str,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 13 |     region: &'a str,
[INFO] [stdout] 14 |     population: Option<u64>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 15 |     latitude: f64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 16 |     longitude: f64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `Record` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `latitude`, `longitude`, `population`, `city` and `state` are never read
[INFO] [stdout]   --> examples/tutorial-read-serde-04.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Record {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 16 |     latitude: f64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 17 |     longitude: f64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 18 |     population: Option<u64>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 19 |     city: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 20 |     state: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `Record` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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 13.07s
[INFO] running `Command { std: "docker" "inspect" "caa1e243886b0b5b5d5a09e5608081f26e0586fed20009bd783bc2aa7837b78d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caa1e243886b0b5b5d5a09e5608081f26e0586fed20009bd783bc2aa7837b78d", kill_on_drop: false }`
[INFO] [stdout] caa1e243886b0b5b5d5a09e5608081f26e0586fed20009bd783bc2aa7837b78d