[INFO] fetching crate mp 0.1.0... [INFO] checking mp-0.1.0 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714 [INFO] extracting crate mp 0.1.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate mp 0.1.0 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate mp 0.1.0 [INFO] finished tweaking crates.io crate mp 0.1.0 [INFO] tweaked toml for crates.io crate mp 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pretty_grammar v0.1.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "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] ee4ca900c05559b6dd66fef3a51a0dd4f70d6ed7163ac5b2ae267e2f4965030b [INFO] running `Command { std: "docker" "start" "-a" "ee4ca900c05559b6dd66fef3a51a0dd4f70d6ed7163ac5b2ae267e2f4965030b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ee4ca900c05559b6dd66fef3a51a0dd4f70d6ed7163ac5b2ae267e2f4965030b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee4ca900c05559b6dd66fef3a51a0dd4f70d6ed7163ac5b2ae267e2f4965030b", kill_on_drop: false }` [INFO] [stdout] ee4ca900c05559b6dd66fef3a51a0dd4f70d6ed7163ac5b2ae267e2f4965030b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 042e6a949e71767fb037f755219ccda7c9a7221729ef7dc104ba38f748105182 [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" "042e6a949e71767fb037f755219ccda7c9a7221729ef7dc104ba38f748105182", kill_on_drop: false }` [INFO] [stderr] Checking pretty_grammar v0.1.3 [INFO] [stderr] Checking colored v1.9.3 [INFO] [stderr] Checking mp v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `super::Data` [INFO] [stdout] --> src/core/case.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use super::Data; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::Data` [INFO] [stdout] --> src/core/class.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use super::Data; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::btree_map::BTreeMap` [INFO] [stdout] --> src/core/collections/tree.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::collections::btree_map::BTreeMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::tree::Tree` [INFO] [stdout] --> src/core/collections/mod.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use self::tree::Tree; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::Data` [INFO] [stdout] --> src/core/method.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use super::Data; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/core/mod.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::collections::*` [INFO] [stdout] --> src/core/mod.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | use self::collections::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `path` [INFO] [stdout] --> src/console/mod.rs:49:18 [INFO] [stdout] | [INFO] [stdout] 49 | Some(path) => { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_path` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `path` [INFO] [stdout] --> src/console/mod.rs:132:13 [INFO] [stdout] | [INFO] [stdout] 132 | let path = args.next_str(command)?; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_path` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::Data` [INFO] [stdout] --> src/core/case.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use super::Data; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::Data` [INFO] [stdout] --> src/core/class.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use super::Data; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::btree_map::BTreeMap` [INFO] [stdout] --> src/core/collections/tree.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::collections::btree_map::BTreeMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::tree::Tree` [INFO] [stdout] --> src/core/collections/mod.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use self::tree::Tree; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::Data` [INFO] [stdout] --> src/core/method.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use super::Data; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/core/mod.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::collections::*` [INFO] [stdout] --> src/core/mod.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | use self::collections::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `raw` [INFO] [stdout] --> src/core/collections/tree.rs:43:17 [INFO] [stdout] | [INFO] [stdout] 43 | fn from_raw(raw: Binary) -> Self {unimplemented!()} [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_raw` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `raw` [INFO] [stdout] --> src/core/collections/tree.rs:71:17 [INFO] [stdout] | [INFO] [stdout] 71 | fn from_raw(raw: Binary) -> Self { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_raw` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `core` [INFO] [stdout] --> src/console/mod.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | core: MpCore, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `key` [INFO] [stdout] --> src/core/collections/tree.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | key: T, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `now` [INFO] [stdout] --> src/core/collections/tree.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | now: ID, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `parent` [INFO] [stdout] --> src/core/collections/tree.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | parent: ID, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `next` [INFO] [stdout] --> src/core/collections/tree.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 30 | next: ID, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `ID` [INFO] [stdout] --> src/core/mod.rs:27:1 [INFO] [stdout] | [INFO] [stdout] 27 | type ID = usize; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `string_table` [INFO] [stdout] --> src/core/mod.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | string_table: StringTable, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `case_table` [INFO] [stdout] --> src/core/mod.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | case_table: CaseTable, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `class_table` [INFO] [stdout] --> src/core/mod.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | class_table: ClassTable, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `method_table` [INFO] [stdout] --> src/core/mod.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 40 | method_table: MethodTable, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `path` [INFO] [stdout] --> src/console/mod.rs:49:18 [INFO] [stdout] | [INFO] [stdout] 49 | Some(path) => { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_path` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `path` [INFO] [stdout] --> src/console/mod.rs:132:13 [INFO] [stdout] | [INFO] [stdout] 132 | let path = args.next_str(command)?; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_path` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `raw` [INFO] [stdout] --> src/core/collections/tree.rs:43:17 [INFO] [stdout] | [INFO] [stdout] 43 | fn from_raw(raw: Binary) -> Self {unimplemented!()} [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_raw` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `raw` [INFO] [stdout] --> src/core/collections/tree.rs:71:17 [INFO] [stdout] | [INFO] [stdout] 71 | fn from_raw(raw: Binary) -> Self { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_raw` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `core` [INFO] [stdout] --> src/console/mod.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | core: MpCore, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `key` [INFO] [stdout] --> src/core/collections/tree.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | key: T, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `now` [INFO] [stdout] --> src/core/collections/tree.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | now: ID, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `parent` [INFO] [stdout] --> src/core/collections/tree.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | parent: ID, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `next` [INFO] [stdout] --> src/core/collections/tree.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 30 | next: ID, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `ID` [INFO] [stdout] --> src/core/mod.rs:27:1 [INFO] [stdout] | [INFO] [stdout] 27 | type ID = usize; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `string_table` [INFO] [stdout] --> src/core/mod.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | string_table: StringTable, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `case_table` [INFO] [stdout] --> src/core/mod.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | case_table: CaseTable, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `class_table` [INFO] [stdout] --> src/core/mod.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | class_table: ClassTable, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `method_table` [INFO] [stdout] --> src/core/mod.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 40 | method_table: MethodTable, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.89s [INFO] running `Command { std: "docker" "inspect" "042e6a949e71767fb037f755219ccda7c9a7221729ef7dc104ba38f748105182", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "042e6a949e71767fb037f755219ccda7c9a7221729ef7dc104ba38f748105182", kill_on_drop: false }` [INFO] [stdout] 042e6a949e71767fb037f755219ccda7c9a7221729ef7dc104ba38f748105182