[INFO] fetching crate gh-stack 0.1.6...
[INFO] testing gh-stack-0.1.6 against 1.63.0 for beta-1.64-2
[INFO] extracting crate gh-stack 0.1.6 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate gh-stack 0.1.6 on toolchain 1.63.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.63.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gh-stack 0.1.6
[INFO] finished tweaking crates.io crate gh-stack 0.1.6
[INFO] tweaked toml for crates.io crate gh-stack 0.1.6 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate gh-stack 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.63.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33ca48170c2ec79aeb951ba5ffd6099888569e31e56312b574a54b10d750d0eb
[INFO] running `Command { std: "docker" "start" "-a" "33ca48170c2ec79aeb951ba5ffd6099888569e31e56312b574a54b10d750d0eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33ca48170c2ec79aeb951ba5ffd6099888569e31e56312b574a54b10d750d0eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33ca48170c2ec79aeb951ba5ffd6099888569e31e56312b574a54b10d750d0eb", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5fb46e8f16f83fb35f8d5dcef79f4991a01a4deada4c4a86e87092cc6c1c84e
[INFO] running `Command { std: "docker" "start" "-a" "f5fb46e8f16f83fb35f8d5dcef79f4991a01a4deada4c4a86e87092cc6c1c84e", kill_on_drop: false }`
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[INFO] [stdout] warning: field `title` is never read
[INFO] [stdout]   --> src/api/search.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct SearchItem {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 9  |     url: String,
[INFO] [stdout] 10 |     title: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `SearchItem` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `label` and `sha` are never read
[INFO] [stdout]   --> src/api/search.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct PullRequestRef {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 15 |     label: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     sha: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PullRequestRef` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/api/search.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct PullRequest {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 31 |     id: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PullRequest` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 10s
[INFO] running `Command { std: "docker" "inspect" "f5fb46e8f16f83fb35f8d5dcef79f4991a01a4deada4c4a86e87092cc6c1c84e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5fb46e8f16f83fb35f8d5dcef79f4991a01a4deada4c4a86e87092cc6c1c84e", kill_on_drop: false }`
[INFO] [stdout] f5fb46e8f16f83fb35f8d5dcef79f4991a01a4deada4c4a86e87092cc6c1c84e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a777824b8ef7a97be1d919483101a02f9eff496c7aec63642e89c253045c4a8d
[INFO] running `Command { std: "docker" "start" "-a" "a777824b8ef7a97be1d919483101a02f9eff496c7aec63642e89c253045c4a8d", kill_on_drop: false }`
[INFO] [stdout] warning: field `title` is never read
[INFO] [stdout]   --> src/api/search.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct SearchItem {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 9  |     url: String,
[INFO] [stdout] 10 |     title: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `SearchItem` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `label` and `sha` are never read
[INFO] [stdout]   --> src/api/search.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct PullRequestRef {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 15 |     label: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     sha: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PullRequestRef` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/api/search.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct PullRequest {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 31 |     id: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PullRequest` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling gh-stack v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `title` is never read
[INFO] [stdout]   --> src/api/search.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct SearchItem {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 9  |     url: String,
[INFO] [stdout] 10 |     title: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `SearchItem` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `label` and `sha` are never read
[INFO] [stdout]   --> src/api/search.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct PullRequestRef {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 15 |     label: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     sha: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PullRequestRef` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/api/search.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct PullRequest {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 31 |     id: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PullRequest` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `Command { std: "docker" "inspect" "a777824b8ef7a97be1d919483101a02f9eff496c7aec63642e89c253045c4a8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a777824b8ef7a97be1d919483101a02f9eff496c7aec63642e89c253045c4a8d", kill_on_drop: false }`
[INFO] [stdout] a777824b8ef7a97be1d919483101a02f9eff496c7aec63642e89c253045c4a8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5e42300d06a21e3f06c7ca73a064270fb7f3555063b7d9768648ce77fb33acdc
[INFO] running `Command { std: "docker" "start" "-a" "5e42300d06a21e3f06c7ca73a064270fb7f3555063b7d9768648ce77fb33acdc", kill_on_drop: false }`
[INFO] [stderr] warning: field `title` is never read
[INFO] [stdout] 
[INFO] [stderr]   --> src/api/search.rs:10:5
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 8  | pub struct SearchItem {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |            ---------- field in this struct
[INFO] [stdout] 
[INFO] [stderr] 9  |     url: String,
[INFO] [stderr] 10 |     title: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr]    = note: `SearchItem` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `label` and `sha` are never read
[INFO] [stderr]   --> src/api/search.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub struct PullRequestRef {
[INFO] [stderr]    |            -------------- fields in this struct
[INFO] [stderr] 15 |     label: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 18 |     sha: String,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `PullRequestRef` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `id` is never read
[INFO] [stderr]   --> src/api/search.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub struct PullRequest {
[INFO] [stderr]    |            ----------- field in this struct
[INFO] [stderr] 31 |     id: usize,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `PullRequest` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `gh-stack` (lib) generated 3 warnings
[INFO] [stderr] warning: `gh-stack` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/gh_stack-3a454d7e0acf66c9)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/gh_stack-aae684d924970749)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests gh-stack
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5e42300d06a21e3f06c7ca73a064270fb7f3555063b7d9768648ce77fb33acdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e42300d06a21e3f06c7ca73a064270fb7f3555063b7d9768648ce77fb33acdc", kill_on_drop: false }`
[INFO] [stdout] 5e42300d06a21e3f06c7ca73a064270fb7f3555063b7d9768648ce77fb33acdc