[INFO] fetching crate exist 0.1.2... [INFO] checking exist-0.1.2 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502 [INFO] extracting crate exist 0.1.2 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate exist 0.1.2 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate exist 0.1.2 [INFO] finished tweaking crates.io crate exist 0.1.2 [INFO] tweaked toml for crates.io crate exist 0.1.2 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded byte-tools v0.3.1 [INFO] [stderr] Downloaded opaque-debug v0.2.3 [INFO] [stderr] Downloaded crypto-mac v0.7.0 [INFO] [stderr] Downloaded typenum v1.12.0 [INFO] [stderr] Downloaded generic-array v0.12.3 [INFO] [stderr] Downloaded digest v0.8.1 [INFO] [stderr] Downloaded subtle v1.0.0 [INFO] [stderr] Downloaded blake2 v0.8.1 [INFO] [stderr] Downloaded serde_cbor v0.9.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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] 315e0be14f291b5cea865e7c87909b6cae21fb96e6b774d6ae82cd5e8f2f35ec [INFO] running `Command { std: "docker" "start" "-a" "315e0be14f291b5cea865e7c87909b6cae21fb96e6b774d6ae82cd5e8f2f35ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "315e0be14f291b5cea865e7c87909b6cae21fb96e6b774d6ae82cd5e8f2f35ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "315e0be14f291b5cea865e7c87909b6cae21fb96e6b774d6ae82cd5e8f2f35ec", kill_on_drop: false }` [INFO] [stdout] 315e0be14f291b5cea865e7c87909b6cae21fb96e6b774d6ae82cd5e8f2f35ec [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 2a5fb995460dd82726f43d80158e945c5bf950596b07951435030cc0ec5bca00 [INFO] running `Command { std: "docker" "start" "-a" "2a5fb995460dd82726f43d80158e945c5bf950596b07951435030cc0ec5bca00", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking crypto-mac v0.7.0 [INFO] [stderr] Checking serde_json v1.0.57 [INFO] [stderr] Compiling serde_derive v1.0.115 [INFO] [stderr] Checking blake2 v0.8.1 [INFO] [stderr] Checking bincode v1.3.1 [INFO] [stderr] Checking serde_cbor v0.9.0 [INFO] [stderr] Checking exist v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] error: ambiguous associated item [INFO] [stdout] --> src/data_models/leaf_tree.rs:34:37 [INFO] [stdout] | [INFO] [stdout] 34 | fn visit>(&self, v: &mut V) { [INFO] [stdout] | ^^^^^^^^^^^ help: use fully-qualified syntax: ` as View>::Value` [INFO] [stdout] | [INFO] [stdout] = note: `#[deny(ambiguous_associated_items)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #57644 [INFO] [stdout] note: `Value` could refer to the variant defined here [INFO] [stdout] --> src/data_models/leaf_tree.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | Value(V), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] note: `Value` could also refer to the associated type defined here [INFO] [stdout] --> src/data_models/mod.rs:14:15 [INFO] [stdout] | [INFO] [stdout] 14 | $(type $Items;)* [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/data_models/leaf_tree.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | Visitable!(View, Visitor, Value); [INFO] [stdout] | --------------------------------- in this macro invocation [INFO] [stdout] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `exist`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: ambiguous associated item [INFO] [stdout] --> src/data_models/leaf_tree.rs:34:37 [INFO] [stdout] | [INFO] [stdout] 34 | fn visit>(&self, v: &mut V) { [INFO] [stdout] | ^^^^^^^^^^^ help: use fully-qualified syntax: ` as View>::Value` [INFO] [stdout] | [INFO] [stdout] = note: `#[deny(ambiguous_associated_items)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #57644 [INFO] [stdout] note: `Value` could refer to the variant defined here [INFO] [stdout] --> src/data_models/leaf_tree.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | Value(V), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] note: `Value` could also refer to the associated type defined here [INFO] [stdout] --> src/data_models/mod.rs:14:15 [INFO] [stdout] | [INFO] [stdout] 14 | $(type $Items;)* [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/data_models/leaf_tree.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | Visitable!(View, Visitor, Value); [INFO] [stdout] | --------------------------------- in this macro invocation [INFO] [stdout] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "2a5fb995460dd82726f43d80158e945c5bf950596b07951435030cc0ec5bca00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a5fb995460dd82726f43d80158e945c5bf950596b07951435030cc0ec5bca00", kill_on_drop: false }` [INFO] [stdout] 2a5fb995460dd82726f43d80158e945c5bf950596b07951435030cc0ec5bca00