[INFO] fetching crate slam-cv 0.1.3...
[INFO] checking slam-cv-0.1.3 against 1.95.0 for pr-155915
[INFO] extracting crate slam-cv 0.1.3 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate slam-cv 0.1.3
[INFO] finished tweaking crates.io crate slam-cv 0.1.3
[INFO] tweaked toml for crates.io crate slam-cv 0.1.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate slam-cv 0.1.3 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "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" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 106 packages to latest compatible versions
[INFO] [stderr]       Adding crossbeam v0.7.3 (available: v0.8.4)
[INFO] [stderr]       Adding cv-core v0.10.0 (available: v0.15.0)
[INFO] [stderr]       Adding image v0.23.14 (available: v0.25.10)
[INFO] [stderr]       Adding nalgebra v0.21.1 (available: v0.34.2)
[INFO] [stderr]       Adding num v0.2.1 (available: v0.4.3)
[INFO] [stderr]       Adding podo-core-driver v0.3.5 (available: v0.4.4)
[INFO] [stderr]       Adding simba v0.1.5 (available: v0.9.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded approx v0.3.2
[INFO] [stderr]   Downloaded float-ord v0.2.0
[INFO] [stderr]   Downloaded simba v0.1.5
[INFO] [stderr]   Downloaded rand_distr v0.2.2
[INFO] [stderr]   Downloaded matrixmultiply v0.2.4
[INFO] [stderr]   Downloaded sample-consensus v0.2.0
[INFO] [stderr]   Downloaded podo-core-driver v0.3.5
[INFO] [stderr]   Downloaded cv-core v0.10.0
[INFO] [stderr]   Downloaded memoffset v0.5.6
[INFO] [stderr]   Downloaded crossbeam v0.7.3
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.4
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.4
[INFO] [stderr]   Downloaded nalgebra v0.21.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 287898153c5180c36e04061c184bb0c2cacaa8865f69839d2c3ed30f21453f81
[INFO] running `Command { std: "docker" "start" "-a" "287898153c5180c36e04061c184bb0c2cacaa8865f69839d2c3ed30f21453f81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "287898153c5180c36e04061c184bb0c2cacaa8865f69839d2c3ed30f21453f81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "287898153c5180c36e04061c184bb0c2cacaa8865f69839d2c3ed30f21453f81", kill_on_drop: false }`
[INFO] [stdout] 287898153c5180c36e04061c184bb0c2cacaa8865f69839d2c3ed30f21453f81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a774ea3bdcbdfe15d8f25b284861f75ce718650cb64d703ce96f55f4e6edde1
[INFO] running `Command { std: "docker" "start" "-a" "2a774ea3bdcbdfe15d8f25b284861f75ce718650cb64d703ce96f55f4e6edde1", kill_on_drop: false }`
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking rayon v1.12.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking weezl v0.1.12
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking simba v0.1.5
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking gif v0.11.4
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]     Checking bytemuck v1.25.0
[INFO] [stderr]     Checking sample-consensus v0.2.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking nalgebra v0.21.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]     Checking cv-core v0.10.0
[INFO] [stderr]     Checking slam-cv v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(associated_type_defaults)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(associated_type_defaults)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slam-cv` (lib) due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slam-cv` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "2a774ea3bdcbdfe15d8f25b284861f75ce718650cb64d703ce96f55f4e6edde1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a774ea3bdcbdfe15d8f25b284861f75ce718650cb64d703ce96f55f4e6edde1", kill_on_drop: false }`
[INFO] [stdout] 2a774ea3bdcbdfe15d8f25b284861f75ce718650cb64d703ce96f55f4e6edde1
