[INFO] fetching crate comet-rs-impl 0.1.1-rc2...
[INFO] testing comet-rs-impl-0.1.1-rc2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate comet-rs-impl 0.1.1-rc2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate comet-rs-impl 0.1.1-rc2
[INFO] finished tweaking crates.io crate comet-rs-impl 0.1.1-rc2
[INFO] tweaked toml for crates.io crate comet-rs-impl 0.1.1-rc2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate comet-rs-impl 0.1.1-rc2 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 25 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.14.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.110)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 339af712e3acb82cd5140795aef02312e8aa702867eb9bd4a6be2488b2d68d44
[INFO] running `Command { std: "docker" "start" "-a" "339af712e3acb82cd5140795aef02312e8aa702867eb9bd4a6be2488b2d68d44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "339af712e3acb82cd5140795aef02312e8aa702867eb9bd4a6be2488b2d68d44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "339af712e3acb82cd5140795aef02312e8aa702867eb9bd4a6be2488b2d68d44", kill_on_drop: false }`
[INFO] [stdout] 339af712e3acb82cd5140795aef02312e8aa702867eb9bd4a6be2488b2d68d44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7080299d59a1a325e7a46cbf2e5c8d4fd7ce795b38f4b22ee769d9f02d992313
[INFO] running `Command { std: "docker" "start" "-a" "7080299d59a1a325e7a46cbf2e5c8d4fd7ce795b38f4b22ee769d9f02d992313", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling comet-rs-impl v0.1.1-rc2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `scalar_mut` is never used
[INFO] [stdout]   --> src/cometexpr.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub(crate) trait CometDsl {
[INFO] [stdout]    |                  -------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 50 |     fn scalar_mut(&mut self) -> Option<&mut ScalarStruct>;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.95s
[INFO] running `Command { std: "docker" "inspect" "7080299d59a1a325e7a46cbf2e5c8d4fd7ce795b38f4b22ee769d9f02d992313", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7080299d59a1a325e7a46cbf2e5c8d4fd7ce795b38f4b22ee769d9f02d992313", kill_on_drop: false }`
[INFO] [stdout] 7080299d59a1a325e7a46cbf2e5c8d4fd7ce795b38f4b22ee769d9f02d992313
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e849053b26d5a6bd85f1cc37829e2299b69802417787c4ffd153e282d0784ec0
[INFO] running `Command { std: "docker" "start" "-a" "e849053b26d5a6bd85f1cc37829e2299b69802417787c4ffd153e282d0784ec0", kill_on_drop: false }`
[INFO] [stderr]    Compiling comet-rs-impl v0.1.1-rc2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `scalar_mut` is never used
[INFO] [stdout]   --> src/cometexpr.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub(crate) trait CometDsl {
[INFO] [stdout]    |                  -------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 50 |     fn scalar_mut(&mut self) -> Option<&mut ScalarStruct>;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `scalar_mut` is never used
[INFO] [stdout]   --> src/cometexpr.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub(crate) trait CometDsl {
[INFO] [stdout]    |                  -------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 50 |     fn scalar_mut(&mut self) -> Option<&mut ScalarStruct>;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "e849053b26d5a6bd85f1cc37829e2299b69802417787c4ffd153e282d0784ec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e849053b26d5a6bd85f1cc37829e2299b69802417787c4ffd153e282d0784ec0", kill_on_drop: false }`
[INFO] [stdout] e849053b26d5a6bd85f1cc37829e2299b69802417787c4ffd153e282d0784ec0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d9df8ff802fc8dfeddec407a8390a656edbdd32f41aa71dc70e0d196deceb13f
[INFO] running `Command { std: "docker" "start" "-a" "d9df8ff802fc8dfeddec407a8390a656edbdd32f41aa71dc70e0d196deceb13f", kill_on_drop: false }`
[INFO] [stderr] warning: method `scalar_mut` is never used
[INFO] [stderr]   --> src/cometexpr.rs:50:8
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub(crate) trait CometDsl {
[INFO] [stderr]    |                  -------- method in this trait
[INFO] [stderr] ...
[INFO] [stderr] 50 |     fn scalar_mut(&mut self) -> Option<&mut ScalarStruct>;
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `comet-rs-impl` (lib) generated 1 warning
[INFO] [stderr] warning: `comet-rs-impl` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/comet_rs_impl-454c49bc10ff620f)
[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 comet_rs_impl
[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" "d9df8ff802fc8dfeddec407a8390a656edbdd32f41aa71dc70e0d196deceb13f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9df8ff802fc8dfeddec407a8390a656edbdd32f41aa71dc70e0d196deceb13f", kill_on_drop: false }`
[INFO] [stdout] d9df8ff802fc8dfeddec407a8390a656edbdd32f41aa71dc70e0d196deceb13f