[INFO] fetching crate oats 0.1.0...
[INFO] checking oats-0.1.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate oats 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate oats 0.1.0
[INFO] finished tweaking crates.io crate oats 0.1.0
[INFO] tweaked toml for crates.io crate oats 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate oats 0.1.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 19 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.3.23 (available: v0.9.2)
[INFO] [stderr]       Adding termion v1.5.6 (available: v4.0.5)
[INFO] [stderr]       Adding uuid v0.8.2 (available: v1.18.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44f8d62a09b1a385e0aa4b27c7621e7065a4e861765d2a675769353e44135368
[INFO] running `Command { std: "docker" "start" "-a" "44f8d62a09b1a385e0aa4b27c7621e7065a4e861765d2a675769353e44135368", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44f8d62a09b1a385e0aa4b27c7621e7065a4e861765d2a675769353e44135368", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44f8d62a09b1a385e0aa4b27c7621e7065a4e861765d2a675769353e44135368", kill_on_drop: false }`
[INFO] [stdout] 44f8d62a09b1a385e0aa4b27c7621e7065a4e861765d2a675769353e44135368
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b0c29f982c53a94f51b9eed9d0ab0c75134684554ea8985543c27577663b45b
[INFO] running `Command { std: "docker" "start" "-a" "9b0c29f982c53a94f51b9eed9d0ab0c75134684554ea8985543c27577663b45b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking oats v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/openapi/version.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let mut split = s.split(".");
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/openapi/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct OpenAPI {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 11 |     version: version::Version,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 12 |     info: info::Info,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 13 |     servers: servers::Servers,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 14 |     paths: paths::Paths,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 15 |     components: components::Components,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 16 |     security: security::Security,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 17 |     tags: tags::Tags,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 18 |     external_docs: external_docs::ExternalDocs,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `title`, `description`, and `url` are never read
[INFO] [stdout]  --> src/openapi/info.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Info {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 4 |     title: String,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 5 |     description: String,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 6 |     url: Option<url::URL>,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/openapi/version.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let mut split = s.split(".");
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/openapi/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct OpenAPI {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 11 |     version: version::Version,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 12 |     info: info::Info,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 13 |     servers: servers::Servers,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 14 |     paths: paths::Paths,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 15 |     components: components::Components,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 16 |     security: security::Security,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 17 |     tags: tags::Tags,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 18 |     external_docs: external_docs::ExternalDocs,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `title`, `description`, and `url` are never read
[INFO] [stdout]  --> src/openapi/info.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Info {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 4 |     title: String,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 5 |     description: String,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 6 |     url: Option<url::URL>,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_to_str_2` is never used
[INFO] [stdout]    --> src/openapi/version.rs:174:8
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn test_to_str_2() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_ord_1` is never used
[INFO] [stdout]    --> src/openapi/version.rs:184:8
[INFO] [stdout]     |
[INFO] [stdout] 184 |     fn test_ord_1() {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_ord_2` is never used
[INFO] [stdout]    --> src/openapi/version.rs:203:8
[INFO] [stdout]     |
[INFO] [stdout] 203 |     fn test_ord_2() {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_ord_3` is never used
[INFO] [stdout]    --> src/openapi/version.rs:222:8
[INFO] [stdout]     |
[INFO] [stdout] 222 |     fn test_ord_3() {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_eq` is never used
[INFO] [stdout]    --> src/openapi/version.rs:241:8
[INFO] [stdout]     |
[INFO] [stdout] 241 |     fn test_eq() {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> tests/tf.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ffi::OsStr`
[INFO] [stdout]  --> tests/tf.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::ffi::OsStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> tests/tf.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]   --> tests/tf.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::path::Path;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]   --> tests/tf.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::path::PathBuf;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::exit`
[INFO] [stdout]   --> tests/tf.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::process::exit;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::string`
[INFO] [stdout]   --> tests/tf.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::string;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `uid`
[INFO] [stdout]   --> tests/tf.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     let uid = Uuid::new_v4();
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_uid`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/tf.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |     let mut file_result = File::create(t.path.as_str());
[INFO] [stdout]     |         ----^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> tests/some_test.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let v = oats::Version {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> tests/tf.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Info {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 23 |     pub name: Name,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Info` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> tests/tf.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ffi::OsStr`
[INFO] [stdout]  --> tests/tf.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::ffi::OsStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> tests/tf.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]   --> tests/tf.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::path::Path;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]   --> tests/tf.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::path::PathBuf;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::exit`
[INFO] [stdout]   --> tests/tf.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::process::exit;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::string`
[INFO] [stdout]   --> tests/tf.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::string;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `uid`
[INFO] [stdout]   --> tests/tf.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     let uid = Uuid::new_v4();
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_uid`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/tf.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |     let mut file_result = File::create(t.path.as_str());
[INFO] [stdout]     |         ----^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.21s
[INFO] running `Command { std: "docker" "inspect" "9b0c29f982c53a94f51b9eed9d0ab0c75134684554ea8985543c27577663b45b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b0c29f982c53a94f51b9eed9d0ab0c75134684554ea8985543c27577663b45b", kill_on_drop: false }`
[INFO] [stdout] 9b0c29f982c53a94f51b9eed9d0ab0c75134684554ea8985543c27577663b45b