[INFO] cloning repository https://github.com/adi/immutable [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adi/immutable" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadi%2Fimmutable", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadi%2Fimmutable'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a5560de697a5b9d0889b193a65e54d4ce89b19e3 [INFO] testing adi/immutable against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadi%2Fimmutable" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/adi/immutable on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/adi/immutable [INFO] finished tweaking git repo https://github.com/adi/immutable [INFO] tweaked toml for git repo https://github.com/adi/immutable written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/adi/immutable already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9f3a0ae62203cc2816a5bfb2e23a2f77227136a6dc42e8af07ae074401132251 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "9f3a0ae62203cc2816a5bfb2e23a2f77227136a6dc42e8af07ae074401132251", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9f3a0ae62203cc2816a5bfb2e23a2f77227136a6dc42e8af07ae074401132251", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f3a0ae62203cc2816a5bfb2e23a2f77227136a6dc42e8af07ae074401132251", kill_on_drop: false }` [INFO] [stdout] 9f3a0ae62203cc2816a5bfb2e23a2f77227136a6dc42e8af07ae074401132251 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 27c1b13e0995607df695d06f0f150fd084fc0083c84c9e8f771f11565f0778a3 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "27c1b13e0995607df695d06f0f150fd084fc0083c84c9e8f771f11565f0778a3", kill_on_drop: false }` [INFO] [stderr] Compiling immutable v0.1.0 (/opt/rustwide/workdir/immutable) [INFO] [stdout] warning: field is never read: `v` [INFO] [stdout] --> immutable/src/lib.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | v: Vec>, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `v` [INFO] [stdout] --> immutable/src/lib.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 46 | v: Vec>, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `first` [INFO] [stdout] --> immutable/src/lib.rs:57:5 [INFO] [stdout] | [INFO] [stdout] 57 | first: Rc, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `second` [INFO] [stdout] --> immutable/src/lib.rs:58:5 [INFO] [stdout] | [INFO] [stdout] 58 | second: Rc, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `pairs` [INFO] [stdout] --> immutable/src/lib.rs:69:5 [INFO] [stdout] | [INFO] [stdout] 69 | pairs: Vec, Rc>>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling example v0.1.0 (/opt/rustwide/workdir/example) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> example/src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.40s [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "27c1b13e0995607df695d06f0f150fd084fc0083c84c9e8f771f11565f0778a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27c1b13e0995607df695d06f0f150fd084fc0083c84c9e8f771f11565f0778a3", kill_on_drop: false }` [INFO] [stdout] 27c1b13e0995607df695d06f0f150fd084fc0083c84c9e8f771f11565f0778a3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f455118aab707cf2ddb958e7c3d5f7f6a8cdeab75b9fb98da02fd198400b83e6 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "f455118aab707cf2ddb958e7c3d5f7f6a8cdeab75b9fb98da02fd198400b83e6", kill_on_drop: false }` [INFO] [stdout] warning: field is never read: `v` [INFO] [stdout] --> immutable/src/lib.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | v: Vec>, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling immutable v0.1.0 (/opt/rustwide/workdir/immutable) [INFO] [stdout] warning: field is never read: `v` [INFO] [stdout] --> immutable/src/lib.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 46 | v: Vec>, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling example v0.1.0 (/opt/rustwide/workdir/example) [INFO] [stdout] warning: field is never read: `first` [INFO] [stdout] --> immutable/src/lib.rs:57:5 [INFO] [stdout] | [INFO] [stdout] 57 | first: Rc, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `second` [INFO] [stdout] --> immutable/src/lib.rs:58:5 [INFO] [stdout] | [INFO] [stdout] 58 | second: Rc, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `pairs` [INFO] [stdout] --> immutable/src/lib.rs:69:5 [INFO] [stdout] | [INFO] [stdout] 69 | pairs: Vec, Rc>>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> example/src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `v` [INFO] [stdout] --> immutable/src/lib.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | v: Vec>, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `v` [INFO] [stdout] --> immutable/src/lib.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 46 | v: Vec>, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `first` [INFO] [stdout] --> immutable/src/lib.rs:57:5 [INFO] [stdout] | [INFO] [stdout] 57 | first: Rc, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `second` [INFO] [stdout] --> immutable/src/lib.rs:58:5 [INFO] [stdout] | [INFO] [stdout] 58 | second: Rc, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `pairs` [INFO] [stdout] --> immutable/src/lib.rs:69:5 [INFO] [stdout] | [INFO] [stdout] 69 | pairs: Vec, Rc>>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.30s [INFO] running `Command { std: "docker" "inspect" "f455118aab707cf2ddb958e7c3d5f7f6a8cdeab75b9fb98da02fd198400b83e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f455118aab707cf2ddb958e7c3d5f7f6a8cdeab75b9fb98da02fd198400b83e6", kill_on_drop: false }` [INFO] [stdout] f455118aab707cf2ddb958e7c3d5f7f6a8cdeab75b9fb98da02fd198400b83e6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1fb3121cb1c332f09335bb62db412b295c530422e4b2bbf30fe44613e83aa78f [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "1fb3121cb1c332f09335bb62db412b295c530422e4b2bbf30fe44613e83aa78f", kill_on_drop: false }` [INFO] [stderr] warning: field is never read: `v` [INFO] [stderr] --> immutable/src/lib.rs:35:5 [INFO] [stderr] | [INFO] [stderr] 35 | v: Vec>, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `v` [INFO] [stderr] --> immutable/src/lib.rs:46:5 [INFO] [stderr] | [INFO] [stderr] 46 | v: Vec>, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `first` [INFO] [stderr] --> immutable/src/lib.rs:57:5 [INFO] [stderr] | [INFO] [stderr] 57 | first: Rc, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `second` [INFO] [stderr] --> immutable/src/lib.rs:58:5 [INFO] [stderr] | [INFO] [stderr] 58 | second: Rc, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `pairs` [INFO] [stderr] --> immutable/src/lib.rs:69:5 [INFO] [stderr] | [INFO] [stderr] 69 | pairs: Vec, Rc>>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `immutable` (lib) generated 5 warnings [INFO] [stderr] warning: `immutable` (lib test) generated 5 warnings (5 duplicates) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> example/src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `example` (bin "example" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/example-d59ed64cb7cad16a) [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/immutable-157e97f7c1eaa518) [INFO] [stderr] Doc-tests immutable [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] [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] [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" "1fb3121cb1c332f09335bb62db412b295c530422e4b2bbf30fe44613e83aa78f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1fb3121cb1c332f09335bb62db412b295c530422e4b2bbf30fe44613e83aa78f", kill_on_drop: false }` [INFO] [stdout] 1fb3121cb1c332f09335bb62db412b295c530422e4b2bbf30fe44613e83aa78f