[INFO] fetching crate btreec 0.3.0...
[INFO] testing btreec-0.3.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate btreec 0.3.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate btreec 0.3.0
[INFO] finished tweaking crates.io crate btreec 0.3.0
[INFO] tweaked toml for crates.io crate btreec 0.3.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate btreec 0.3.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ee77a8adac38e23f5441deb5dac51a393265f607bcffa15253f7e603a989e303
[INFO] running `Command { std: "docker" "start" "-a" "ee77a8adac38e23f5441deb5dac51a393265f607bcffa15253f7e603a989e303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee77a8adac38e23f5441deb5dac51a393265f607bcffa15253f7e603a989e303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee77a8adac38e23f5441deb5dac51a393265f607bcffa15253f7e603a989e303", kill_on_drop: false }`
[INFO] [stdout] ee77a8adac38e23f5441deb5dac51a393265f607bcffa15253f7e603a989e303
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 440c92f0eb2119c55f02fceb9de27f01d830e2da02f30b65173052ec5bdb80ef
[INFO] running `Command { std: "docker" "start" "-a" "440c92f0eb2119c55f02fceb9de27f01d830e2da02f30b65173052ec5bdb80ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.45
[INFO] [stderr]    Compiling btreec v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `Command { std: "docker" "inspect" "440c92f0eb2119c55f02fceb9de27f01d830e2da02f30b65173052ec5bdb80ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "440c92f0eb2119c55f02fceb9de27f01d830e2da02f30b65173052ec5bdb80ef", kill_on_drop: false }`
[INFO] [stdout] 440c92f0eb2119c55f02fceb9de27f01d830e2da02f30b65173052ec5bdb80ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f1e9c5c5b590e2ae5ccb3b3956b232de9f7a7340543d1e16a1bddbfe3ef44c3d
[INFO] running `Command { std: "docker" "start" "-a" "f1e9c5c5b590e2ae5ccb3b3956b232de9f7a7340543d1e16a1bddbfe3ef44c3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling btreec v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `text` is never read
[INFO] [stdout]    --> src/lib.rs:264:13
[INFO] [stdout]     |
[INFO] [stdout] 262 |         struct TestItem {
[INFO] [stdout]     |                -------- field in this struct
[INFO] [stdout] 263 |             key: String,
[INFO] [stdout] 264 |             text: String,
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TestItem` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[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 0.45s
[INFO] running `Command { std: "docker" "inspect" "f1e9c5c5b590e2ae5ccb3b3956b232de9f7a7340543d1e16a1bddbfe3ef44c3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1e9c5c5b590e2ae5ccb3b3956b232de9f7a7340543d1e16a1bddbfe3ef44c3d", kill_on_drop: false }`
[INFO] [stdout] f1e9c5c5b590e2ae5ccb3b3956b232de9f7a7340543d1e16a1bddbfe3ef44c3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c933038655a6c7da9715a0be90bbdce0282b2ad62592e8010e8c8912ac124390
[INFO] running `Command { std: "docker" "start" "-a" "c933038655a6c7da9715a0be90bbdce0282b2ad62592e8010e8c8912ac124390", kill_on_drop: false }`
[INFO] [stderr] warning: field `text` is never read
[INFO] [stderr]    --> src/lib.rs:264:13
[INFO] [stderr]     |
[INFO] [stderr] 262 |         struct TestItem {
[INFO] [stderr]     |                -------- field in this struct
[INFO] [stderr] 263 |             key: String,
[INFO] [stderr] 264 |             text: String,
[INFO] [stderr]     |             ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `TestItem` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `btreec` (lib test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/btreec-b9a46e1a5f60a23d)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::ascend_descend ... ok
[INFO] [stdout] test tests::basic ... ok
[INFO] [stdout] test tests::db_item ... ok
[INFO] [stdout] test tests::btreec_new ... ok
[INFO] [stdout] test tests::min_max_pop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests btreec
[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" "c933038655a6c7da9715a0be90bbdce0282b2ad62592e8010e8c8912ac124390", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c933038655a6c7da9715a0be90bbdce0282b2ad62592e8010e8c8912ac124390", kill_on_drop: false }`
[INFO] [stdout] c933038655a6c7da9715a0be90bbdce0282b2ad62592e8010e8c8912ac124390