[INFO] fetching crate tiny-expr-tree 0.1.0...
[INFO] testing tiny-expr-tree-0.1.0 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate tiny-expr-tree 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate tiny-expr-tree 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate tiny-expr-tree 0.1.0
[INFO] tweaked toml for crates.io crate tiny-expr-tree 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tiny-expr-tree 0.1.0 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tiny-expr-tree 0.1.0 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" "+33835004928d3bf65db4d4712e1330766263b0bd" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2eeed8724383891d0492d9d742dc483b3e87d5c423d00429a6dc83b0d1fbbac1
[INFO] running `Command { std: "docker" "start" "-a" "2eeed8724383891d0492d9d742dc483b3e87d5c423d00429a6dc83b0d1fbbac1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2eeed8724383891d0492d9d742dc483b3e87d5c423d00429a6dc83b0d1fbbac1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eeed8724383891d0492d9d742dc483b3e87d5c423d00429a6dc83b0d1fbbac1", kill_on_drop: false }`
[INFO] [stdout] 2eeed8724383891d0492d9d742dc483b3e87d5c423d00429a6dc83b0d1fbbac1
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab741da6ef3ecf70f25875a0ce13fddde34376f823349467df3e70828f97dce9
[INFO] running `Command { std: "docker" "start" "-a" "ab741da6ef3ecf70f25875a0ce13fddde34376f823349467df3e70828f97dce9", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling bit-iter v1.3.1
[INFO] [stderr]    Compiling mask-tracked-array v0.2.0
[INFO] [stderr]    Compiling tiny-expr-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "ab741da6ef3ecf70f25875a0ce13fddde34376f823349467df3e70828f97dce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab741da6ef3ecf70f25875a0ce13fddde34376f823349467df3e70828f97dce9", kill_on_drop: false }`
[INFO] [stdout] ab741da6ef3ecf70f25875a0ce13fddde34376f823349467df3e70828f97dce9
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18768d85cf259fedf89916c8c057f4d75f5d8075fd63b953d27808f72d42149d
[INFO] running `Command { std: "docker" "start" "-a" "18768d85cf259fedf89916c8c057f4d75f5d8075fd63b953d27808f72d42149d", kill_on_drop: false }`
[INFO] [stderr]    Compiling tiny-expr-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `tiny_expr_tree::alloc_gen`
[INFO] [stdout]  --> tests/basic.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     alloc_gen::ConstructableTreeBranch, make_tree_aliases,
[INFO] [stdout]   |     ^^^^^^^^^ could not find `alloc_gen` in `tiny_expr_tree`
[INFO] [stdout]   |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]  --> src/lib.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[cfg(feature = "alloc-gen")]
[INFO] [stdout]   |       --------------------- the item is gated behind the `alloc-gen` feature
[INFO] [stdout] 8 | pub mod alloc_gen;
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tiny-expr-tree` (test "basic") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "18768d85cf259fedf89916c8c057f4d75f5d8075fd63b953d27808f72d42149d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18768d85cf259fedf89916c8c057f4d75f5d8075fd63b953d27808f72d42149d", kill_on_drop: false }`
[INFO] [stdout] 18768d85cf259fedf89916c8c057f4d75f5d8075fd63b953d27808f72d42149d
