[INFO] fetching crate otter 0.7.3... [INFO] testing otter-0.7.3 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479 [INFO] extracting crate otter 0.7.3 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate otter 0.7.3 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate otter 0.7.3 [INFO] finished tweaking crates.io crate otter 0.7.3 [INFO] tweaked toml for crates.io crate otter 0.7.3 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate crates.io crate otter 0.7.3 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 9258cfe4b1cea8209f3a31633bbebc2ddc4070980a2d8dcc4e053209fc144ce5 [INFO] running `Command { std: "docker" "start" "-a" "9258cfe4b1cea8209f3a31633bbebc2ddc4070980a2d8dcc4e053209fc144ce5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9258cfe4b1cea8209f3a31633bbebc2ddc4070980a2d8dcc4e053209fc144ce5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9258cfe4b1cea8209f3a31633bbebc2ddc4070980a2d8dcc4e053209fc144ce5", kill_on_drop: false }` [INFO] [stdout] 9258cfe4b1cea8209f3a31633bbebc2ddc4070980a2d8dcc4e053209fc144ce5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] eb3a106b0e87bbed052ff59396e9ed97b6f06f115df50f3f2387d07e56355d80 [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" "eb3a106b0e87bbed052ff59396e9ed97b6f06f115df50f3f2387d07e56355d80", kill_on_drop: false }` [INFO] [stderr] Compiling object v0.25.3 [INFO] [stderr] Compiling nix v0.22.0 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling extend v1.1.1 [INFO] [stderr] Compiling structopt-derive v0.4.15 [INFO] [stderr] Compiling chrono-tz v0.5.3 [INFO] [stderr] Compiling num-rational v0.4.0 [INFO] [stderr] Compiling image v0.23.14 [INFO] [stderr] Compiling darling v0.13.0 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling globwalk v0.8.1 [INFO] [stderr] Compiling openssh-keys v0.5.0 [INFO] [stderr] Compiling serde_with_macros v1.4.2 [INFO] [stderr] Compiling notify v4.0.17 [INFO] [stderr] Compiling num v0.4.0 [INFO] [stderr] Compiling tempfile v3.2.0 [INFO] [stderr] Compiling structopt v0.3.22 [INFO] [stderr] Compiling backtrace v0.3.60 [INFO] [stderr] Compiling toml v0.5.8 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling erased-serde v0.3.16 [INFO] [stderr] Compiling serde_with v1.9.4 [INFO] [stderr] Compiling index_vec v0.1.2 [INFO] [stderr] Compiling slotmap-fork-otter v1.0.2 [INFO] [stderr] Compiling rmp-serde v0.15.5 [INFO] [stderr] Compiling enum-map v1.1.1 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling pwd v1.3.1 [INFO] [stderr] Compiling typetag v0.1.7 [INFO] [stderr] Compiling proc-macro-crate v0.1.5 [INFO] [stderr] Compiling flexi_logger v0.18.0 [INFO] [stderr] Compiling otter-base v0.7.3 [INFO] [stderr] Compiling cast_trait_object_macros v0.1.3 [INFO] [stderr] Compiling tera v1.12.1 [INFO] [stderr] Compiling cast_trait_object v0.1.3 [INFO] [stderr] Compiling otter v0.7.3 (/opt/rustwide/workdir) [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | #![feature(min_type_alias_impl_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed in favor of full type_alias_impl_trait [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable [INFO] [stdout] --> src/bundles.rs:419:19 [INFO] [stdout] | [INFO] [stdout] 419 | type IntoIter = impl Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #63063 for more information [INFO] [stdout] = help: add `#![feature(type_alias_impl_trait)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable [INFO] [stdout] --> src/utils.rs:302:17 [INFO] [stdout] | [INFO] [stdout] 302 | type Return = impl Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #63063 for more information [INFO] [stdout] = help: add `#![feature(type_alias_impl_trait)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable [INFO] [stdout] --> src/utils.rs:311:20 [INFO] [stdout] | [INFO] [stdout] 311 | type TryReturn = impl Iterator>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #63063 for more information [INFO] [stdout] = help: add `#![feature(type_alias_impl_trait)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0557, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] [stderr] error: could not compile `otter` due to 5 previous errors [INFO] running `Command { std: "docker" "inspect" "eb3a106b0e87bbed052ff59396e9ed97b6f06f115df50f3f2387d07e56355d80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb3a106b0e87bbed052ff59396e9ed97b6f06f115df50f3f2387d07e56355d80", kill_on_drop: false }` [INFO] [stdout] eb3a106b0e87bbed052ff59396e9ed97b6f06f115df50f3f2387d07e56355d80