[INFO] fetching crate cargo-smol 0.2.0...
[INFO] checking cargo-smol-0.2.0 against master#e59540968e0c6fc3c37d92a639b83fc8fcee5e81 for pr-114559
[INFO] extracting crate cargo-smol 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate cargo-smol 0.2.0 on toolchain e59540968e0c6fc3c37d92a639b83fc8fcee5e81
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-smol 0.2.0
[INFO] finished tweaking crates.io crate cargo-smol 0.2.0
[INFO] tweaked toml for crates.io crate cargo-smol 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate cargo-smol 0.2.0 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" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitflags v1.1.0
[INFO] [stderr]   Downloaded rustc-demangle v0.1.15
[INFO] [stderr]   Downloaded arrayvec v0.4.11
[INFO] [stderr]   Downloaded cc v1.0.38
[INFO] [stderr]   Downloaded redox_termios v0.1.1
[INFO] [stderr]   Downloaded constant_time_eq v0.1.3
[INFO] [stderr]   Downloaded nodrop v0.1.13
[INFO] [stderr]   Downloaded blake2-rfc v0.2.18
[INFO] [stderr]   Downloaded failure_derive v0.1.5
[INFO] [stderr]   Downloaded serde v1.0.98
[INFO] [stderr]   Downloaded redox_users v0.3.0
[INFO] [stderr]   Downloaded termion v1.5.3
[INFO] [stderr]   Downloaded serde_json v1.0.40
[INFO] [stderr]   Downloaded failure v0.1.5
[INFO] [stderr]   Downloaded libc v0.2.60
[INFO] [stderr]   Downloaded winapi v0.3.7
[INFO] [stderr]   Downloaded syn v0.15.42
[INFO] [stderr]   Downloaded argon2rs v0.2.5
[INFO] [stderr]   Downloaded serde_derive v1.0.98
[INFO] [stderr]   Downloaded ryu v1.0.0
[INFO] [stderr]   Downloaded backtrace v0.3.34
[INFO] [stderr]   Downloaded synstructure v0.10.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8fbf561aa857f0da7542b4d25bb11ccdce01b2a91bb163d59888f85293b6535c
[INFO] running `Command { std: "docker" "start" "-a" "8fbf561aa857f0da7542b4d25bb11ccdce01b2a91bb163d59888f85293b6535c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fbf561aa857f0da7542b4d25bb11ccdce01b2a91bb163d59888f85293b6535c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fbf561aa857f0da7542b4d25bb11ccdce01b2a91bb163d59888f85293b6535c", kill_on_drop: false }`
[INFO] [stdout] 8fbf561aa857f0da7542b4d25bb11ccdce01b2a91bb163d59888f85293b6535c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 619df61e928a63727756fa15e4610a8fefd36bbb45ae44303246b9cd3bb9a483
[INFO] running `Command { std: "docker" "start" "-a" "619df61e928a63727756fa15e4610a8fefd36bbb45ae44303246b9cd3bb9a483", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking termion v1.5.3
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking cargo-smol v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/count.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::failed::FailedTests`
[INFO] [stdout]   --> src/count.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     use crate::failed::FailedTests;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::feed`
[INFO] [stdout]   --> src/count.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     use crate::feed;
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::from_str`
[INFO] [stdout]   --> src/count.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     use serde_json::from_str;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::from_str`
[INFO] [stdout]   --> src/parse.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |     use serde_json::from_str;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/count.rs:35:39
[INFO] [stdout]    |
[INFO] [stdout] 35 |             TestResult::Test { event, name } => match event {
[INFO] [stdout]    |                                       ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test_output`
[INFO] [stdout]   --> src/failed.rs:19:41
[INFO] [stdout]    |
[INFO] [stdout] 19 |                     TestEvent::Failed { test_output } => {
[INFO] [stdout]    |                                         ^^^^^^^^^^^ help: try ignoring the field: `test_output: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/count.rs:35:39
[INFO] [stdout]    |
[INFO] [stdout] 35 |             TestResult::Test { event, name } => match event {
[INFO] [stdout]    |                                       ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test_output`
[INFO] [stdout]   --> src/failed.rs:19:41
[INFO] [stdout]    |
[INFO] [stdout] 19 |                     TestEvent::Failed { test_output } => {
[INFO] [stdout]    |                                         ^^^^^^^^^^^ help: try ignoring the field: `test_output: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `allowed_fail`, `measured`, and `filtered_out` are never read
[INFO] [stdout]   --> src/parse.rs:54:16
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub(crate) struct CommonTestCounts {
[INFO] [stdout]    |                   ---------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub(crate) allowed_fail: u32,
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout] 55 |     pub(crate) ignored: u32,
[INFO] [stdout] 56 |     pub(crate) measured: u32,
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout] 57 |     pub(crate) filtered_out: u32,
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CommonTestCounts` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TEST_STARTED` is never used
[INFO] [stdout]   --> src/count.rs:55:15
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub const TEST_STARTED: &str =
[INFO] [stdout]    |               ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TEST_OK` is never used
[INFO] [stdout]   --> src/count.rs:57:15
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub const TEST_OK: &str =
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TEST_FAILED` is never used
[INFO] [stdout]   --> src/count.rs:59:15
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub const TEST_FAILED: &str = r#"
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `event` is never read
[INFO] [stdout]  --> src/parse.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Suite {
[INFO] [stdout]   |     ----- field in this variant
[INFO] [stdout] 8 |         #[serde(flatten)]
[INFO] [stdout] 9 |         event: SuiteEvent,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `test_count` is never read
[INFO] [stdout]   --> src/parse.rs:23:15
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Started { test_count: u32 },
[INFO] [stdout]    |     -------   ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `counts` is never read
[INFO] [stdout]   --> src/parse.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Passed {
[INFO] [stdout]    |     ------ field in this variant
[INFO] [stdout] 26 |         #[serde(flatten)]
[INFO] [stdout] 27 |         counts: CommonTestCounts,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `counts` is never read
[INFO] [stdout]   --> src/parse.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Failed {
[INFO] [stdout]    |     ------ field in this variant
[INFO] [stdout] 31 |         #[serde(flatten)]
[INFO] [stdout] 32 |         counts: CommonTestCounts,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `passed`, `failed`, `allowed_fail`, `ignored`, `measured`, and `filtered_out` are never read
[INFO] [stdout]   --> src/parse.rs:52:16
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub(crate) struct CommonTestCounts {
[INFO] [stdout]    |                   ---------------- fields in this struct
[INFO] [stdout] 52 |     pub(crate) passed: u32,
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] 53 |     pub(crate) failed: u32,
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] 54 |     pub(crate) allowed_fail: u32,
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout] 55 |     pub(crate) ignored: u32,
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout] 56 |     pub(crate) measured: u32,
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout] 57 |     pub(crate) filtered_out: u32,
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CommonTestCounts` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.08s
[INFO] running `Command { std: "docker" "inspect" "619df61e928a63727756fa15e4610a8fefd36bbb45ae44303246b9cd3bb9a483", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "619df61e928a63727756fa15e4610a8fefd36bbb45ae44303246b9cd3bb9a483", kill_on_drop: false }`
[INFO] [stdout] 619df61e928a63727756fa15e4610a8fefd36bbb45ae44303246b9cd3bb9a483
