[INFO] fetching crate tree 0.4.1... [INFO] testing tree-0.4.1 against beta-2021-01-01 for beta-1.50-1 [INFO] extracting crate tree 0.4.1 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate tree 0.4.1 on toolchain beta-2021-01-01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate tree 0.4.1 [INFO] finished tweaking crates.io crate tree 0.4.1 [INFO] tweaked toml for crates.io crate tree 0.4.1 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 920aa3d50c702e7fea33b3c68d3a5d05df8b31ac21c42dd58ef95d44f502c721 [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" "920aa3d50c702e7fea33b3c68d3a5d05df8b31ac21c42dd58ef95d44f502c721", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "920aa3d50c702e7fea33b3c68d3a5d05df8b31ac21c42dd58ef95d44f502c721", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "920aa3d50c702e7fea33b3c68d3a5d05df8b31ac21c42dd58ef95d44f502c721", kill_on_drop: false }` [INFO] [stdout] 920aa3d50c702e7fea33b3c68d3a5d05df8b31ac21c42dd58ef95d44f502c721 [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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--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] e793f9ed216b076b8b9117f1fb983fa00c584c224cf912b6220ee420ec8bfc6f [INFO] running `Command { std: "docker" "start" "-a" "e793f9ed216b076b8b9117f1fb983fa00c584c224cf912b6220ee420ec8bfc6f", kill_on_drop: false }` [INFO] [stderr] Compiling compare v0.0.6 [INFO] [stderr] Compiling tree v0.4.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused macro definition [INFO] [stdout] --> src/node/iter.rs:121:1 [INFO] [stdout] | [INFO] [stdout] 121 | / macro_rules! bound { [INFO] [stdout] 122 | | ($iter:expr, [INFO] [stdout] 123 | | $cmp:expr, [INFO] [stdout] 124 | | $bound:expr, [INFO] [stdout] ... | [INFO] [stdout] 164 | | } [INFO] [stdout] 165 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/quickcheck.rs:14:29 [INFO] [stdout] | [INFO] [stdout] 14 | fn shrink(&self) -> Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/quickcheck.rs:25:29 [INFO] [stdout] | [INFO] [stdout] 25 | fn shrink(&self) -> Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0061]: this function takes 1 argument but 0 arguments were supplied [INFO] [stdout] --> src/set.rs:235:48 [INFO] [stdout] | [INFO] [stdout] 235 | pub fn max(&self) -> Option<&T> { self.map.max().map(|e| e.0) } [INFO] [stdout] | ^^^- supplied 0 arguments [INFO] [stdout] | | [INFO] [stdout] | expected 1 argument [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `map` found for struct `map::Map` in the current scope [INFO] [stdout] --> src/set.rs:235:54 [INFO] [stdout] | [INFO] [stdout] 235 | pub fn max(&self) -> Option<&T> { self.map.max().map(|e| e.0) } [INFO] [stdout] | ^^^ help: there is an associated function with a similar name: `max` [INFO] [stdout] | [INFO] [stdout] ::: src/map.rs:22:1 [INFO] [stdout] | [INFO] [stdout] 22 | pub struct Map> where C: Compare { [INFO] [stdout] | -------------------------------------------------------- [INFO] [stdout] | | [INFO] [stdout] | method `map` not found for this [INFO] [stdout] | doesn't satisfy `map::Map: Iterator` [INFO] [stdout] | [INFO] [stdout] = note: the method `map` exists but the following trait bounds were not satisfied: [INFO] [stdout] `map::Map: Iterator` [INFO] [stdout] which is required by `&mut map::Map: Iterator` [INFO] [stdout] = help: items from traits can only be used if the trait is implemented and in scope [INFO] [stdout] = note: the following trait defines an item `map`, perhaps you need to implement it: [INFO] [stdout] candidate #1: `Iterator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0061]: this function takes 1 argument but 0 arguments were supplied [INFO] [stdout] --> src/set.rs:291:48 [INFO] [stdout] | [INFO] [stdout] 291 | pub fn min(&self) -> Option<&T> { self.map.min().map(|e| e.0) } [INFO] [stdout] | ^^^- supplied 0 arguments [INFO] [stdout] | | [INFO] [stdout] | expected 1 argument [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `map` found for struct `map::Map` in the current scope [INFO] [stdout] --> src/set.rs:291:54 [INFO] [stdout] | [INFO] [stdout] 291 | pub fn min(&self) -> Option<&T> { self.map.min().map(|e| e.0) } [INFO] [stdout] | ^^^ help: there is an associated function with a similar name: `max` [INFO] [stdout] | [INFO] [stdout] ::: src/map.rs:22:1 [INFO] [stdout] | [INFO] [stdout] 22 | pub struct Map> where C: Compare { [INFO] [stdout] | -------------------------------------------------------- [INFO] [stdout] | | [INFO] [stdout] | method `map` not found for this [INFO] [stdout] | doesn't satisfy `map::Map: Iterator` [INFO] [stdout] | [INFO] [stdout] = note: the method `map` exists but the following trait bounds were not satisfied: [INFO] [stdout] `map::Map: Iterator` [INFO] [stdout] which is required by `&mut map::Map: Iterator` [INFO] [stdout] = help: items from traits can only be used if the trait is implemented and in scope [INFO] [stdout] = note: the following trait defines an item `map`, perhaps you need to implement it: [INFO] [stdout] candidate #1: `Iterator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0061, E0599. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0061`. [INFO] [stdout] [INFO] [stderr] error: could not compile `tree` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "e793f9ed216b076b8b9117f1fb983fa00c584c224cf912b6220ee420ec8bfc6f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e793f9ed216b076b8b9117f1fb983fa00c584c224cf912b6220ee420ec8bfc6f", kill_on_drop: false }` [INFO] [stdout] e793f9ed216b076b8b9117f1fb983fa00c584c224cf912b6220ee420ec8bfc6f