[INFO] cloning repository https://github.com/Craig-Macomber/exist [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Craig-Macomber/exist" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCraig-Macomber%2Fexist"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCraig-Macomber%2Fexist'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 139a0bf6d1efdafdc8d4226edc21b6f8a99808eb [INFO] checking Craig-Macomber/exist against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCraig-Macomber%2Fexist" "/workspace/builds/worker-13/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Craig-Macomber/exist on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/Craig-Macomber/exist [INFO] finished tweaking git repo https://github.com/Craig-Macomber/exist [INFO] tweaked toml for git repo https://github.com/Craig-Macomber/exist written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/Craig-Macomber/exist already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 89b775746bbb187521fd11ca40aab8d81ff8c17e2d6e9e736ab020608a0df676 [INFO] running `"docker" "start" "-a" "89b775746bbb187521fd11ca40aab8d81ff8c17e2d6e9e736ab020608a0df676"` [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling serde v1.0.83 [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Checking byteorder v1.2.7 [INFO] [stderr] Checking subtle v1.0.0 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Checking opaque-debug v0.2.1 [INFO] [stderr] Checking half v1.3.0 [INFO] [stderr] Checking byte-tools v0.3.0 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Compiling syn v0.15.23 [INFO] [stderr] Checking generic-array v0.12.0 [INFO] [stderr] Checking digest v0.8.0 [INFO] [stderr] Checking crypto-mac v0.7.0 [INFO] [stderr] Checking blake2 v0.8.0 [INFO] [stderr] Compiling serde_derive v1.0.83 [INFO] [stderr] Checking serde_json v1.0.34 [INFO] [stderr] Checking bincode v1.0.1 [INFO] [stderr] Checking serde_cbor v0.9.0 [INFO] [stderr] Checking exist v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] error: ambiguous associated item [INFO] [stderr] --> src/data_models/leaf_tree.rs:34:37 [INFO] [stderr] | [INFO] [stderr] 34 | fn visit>(&self, v: &mut V) { [INFO] [stderr] | ^^^^^^^^^^^ help: use fully-qualified syntax: ` as View>::Value` [INFO] [stderr] | [INFO] [stderr] = note: `#[deny(ambiguous_associated_items)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #57644 [INFO] [stderr] note: `Value` could refer to the variant defined here [INFO] [stderr] --> src/data_models/leaf_tree.rs:26:9 [INFO] [stderr] | [INFO] [stderr] 26 | Value(V), [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] note: `Value` could also refer to the associated type defined here [INFO] [stderr] --> src/data_models/mod.rs:14:15 [INFO] [stderr] | [INFO] [stderr] 14 | $(type $Items;)* [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] ::: src/data_models/leaf_tree.rs:7:1 [INFO] [stderr] | [INFO] [stderr] 7 | Visitable!(View, Visitor, Value); [INFO] [stderr] | --------------------------------- in this macro invocation [INFO] [stderr] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error: ambiguous associated item [INFO] [stderr] --> src/data_models/leaf_tree.rs:34:37 [INFO] [stderr] | [INFO] [stderr] 34 | fn visit>(&self, v: &mut V) { [INFO] [stderr] | ^^^^^^^^^^^ help: use fully-qualified syntax: ` as View>::Value` [INFO] [stderr] | [INFO] [stderr] = note: `#[deny(ambiguous_associated_items)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #57644 [INFO] [stderr] note: `Value` could refer to the variant defined here [INFO] [stderr] --> src/data_models/leaf_tree.rs:26:9 [INFO] [stderr] | [INFO] [stderr] 26 | Value(V), [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] note: `Value` could also refer to the associated type defined here [INFO] [stderr] --> src/data_models/mod.rs:14:15 [INFO] [stderr] | [INFO] [stderr] 14 | $(type $Items;)* [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] ::: src/data_models/leaf_tree.rs:7:1 [INFO] [stderr] | [INFO] [stderr] 7 | Visitable!(View, Visitor, Value); [INFO] [stderr] | --------------------------------- in this macro invocation [INFO] [stderr] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [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] [stderr] error: could not compile `exist`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "89b775746bbb187521fd11ca40aab8d81ff8c17e2d6e9e736ab020608a0df676"` [INFO] running `"docker" "rm" "-f" "89b775746bbb187521fd11ca40aab8d81ff8c17e2d6e9e736ab020608a0df676"` [INFO] [stdout] 89b775746bbb187521fd11ca40aab8d81ff8c17e2d6e9e736ab020608a0df676