[INFO] fetching crate serde_yaml 0.9.27... [INFO] checking serde_yaml-0.9.27 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-2 [INFO] extracting crate serde_yaml 0.9.27 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate serde_yaml 0.9.27 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate serde_yaml 0.9.27 [INFO] finished tweaking crates.io crate serde_yaml 0.9.27 [INFO] tweaked toml for crates.io crate serde_yaml 0.9.27 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 15 packages [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 523746e362057fbf32f71e7cecdb7e003e7f2ae3eceaf6694d930887e52cd85e [INFO] running `Command { std: "docker" "start" "-a" "523746e362057fbf32f71e7cecdb7e003e7f2ae3eceaf6694d930887e52cd85e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "523746e362057fbf32f71e7cecdb7e003e7f2ae3eceaf6694d930887e52cd85e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "523746e362057fbf32f71e7cecdb7e003e7f2ae3eceaf6694d930887e52cd85e", kill_on_drop: false }` [INFO] [stdout] 523746e362057fbf32f71e7cecdb7e003e7f2ae3eceaf6694d930887e52cd85e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 037e645991381a00e7626f5e2e5876c24794863af3334ab814760a8b008c43d7 [INFO] running `Command { std: "docker" "start" "-a" "037e645991381a00e7626f5e2e5876c24794863af3334ab814760a8b008c43d7", kill_on_drop: false }` [INFO] [stderr] Checking equivalent v1.0.1 [INFO] [stderr] Checking hashbrown v0.14.3 [INFO] [stderr] Checking unsafe-libyaml v0.2.11 [INFO] [stderr] Compiling indoc v2.0.5 [INFO] [stderr] Checking indexmap v2.2.6 [INFO] [stderr] Checking serde_yaml v0.9.27 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `FromIterator` is imported redundantly [INFO] [stdout] --> src/mapping.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::iter::FromIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `FromIterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `FromIterator` is imported redundantly [INFO] [stdout] --> src/value/from.rs:148:5 [INFO] [stdout] | [INFO] [stdout] 148 | use std::iter::FromIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `FromIterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `FromIterator` is imported redundantly [INFO] [stdout] --> src/mapping.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::iter::FromIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `FromIterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `FromIterator` is imported redundantly [INFO] [stdout] --> src/value/from.rs:148:5 [INFO] [stdout] | [INFO] [stdout] 148 | use std::iter::FromIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `FromIterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `indexmap::IndexMap::::remove`: `remove` disrupts the map order -- use `swap_remove` or `shift_remove` for explicit behavior. [INFO] [stdout] --> src/mapping.rs:243:15 [INFO] [stdout] | [INFO] [stdout] 243 | v.map.remove(self) [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `indexmap::IndexMap::::remove_entry`: `remove_entry` disrupts the map order -- use `swap_remove_entry` or `shift_remove_entry` for explicit behavior. [INFO] [stdout] --> src/mapping.rs:246:15 [INFO] [stdout] | [INFO] [stdout] 246 | v.map.remove_entry(self) [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `indexmap::IndexMap::::remove`: `remove` disrupts the map order -- use `swap_remove` or `shift_remove` for explicit behavior. [INFO] [stdout] --> src/mapping.rs:261:15 [INFO] [stdout] | [INFO] [stdout] 261 | v.map.remove(&HashLikeValue(self)) [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `indexmap::IndexMap::::remove_entry`: `remove_entry` disrupts the map order -- use `swap_remove_entry` or `shift_remove_entry` for explicit behavior. [INFO] [stdout] --> src/mapping.rs:264:15 [INFO] [stdout] | [INFO] [stdout] 264 | v.map.remove_entry(&HashLikeValue(self)) [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `indexmap::IndexMap::::remove`: `remove` disrupts the map order -- use `swap_remove` or `shift_remove` for explicit behavior. [INFO] [stdout] --> src/mapping.rs:243:15 [INFO] [stdout] | [INFO] [stdout] 243 | v.map.remove(self) [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `indexmap::IndexMap::::remove_entry`: `remove_entry` disrupts the map order -- use `swap_remove_entry` or `shift_remove_entry` for explicit behavior. [INFO] [stdout] --> src/mapping.rs:246:15 [INFO] [stdout] | [INFO] [stdout] 246 | v.map.remove_entry(self) [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `indexmap::IndexMap::::remove`: `remove` disrupts the map order -- use `swap_remove` or `shift_remove` for explicit behavior. [INFO] [stdout] --> src/mapping.rs:261:15 [INFO] [stdout] | [INFO] [stdout] 261 | v.map.remove(&HashLikeValue(self)) [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `indexmap::IndexMap::::remove_entry`: `remove_entry` disrupts the map order -- use `swap_remove_entry` or `shift_remove_entry` for explicit behavior. [INFO] [stdout] --> src/mapping.rs:264:15 [INFO] [stdout] | [INFO] [stdout] 264 | v.map.remove_entry(&HashLikeValue(self)) [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/test_error.rs:58:11 [INFO] [stdout] | [INFO] [stdout] 58 | C(C), [INFO] [stdout] | - ^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 58 | C(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/test_error.rs:165:11 [INFO] [stdout] | [INFO] [stdout] 165 | V(usize), [INFO] [stdout] | - ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 165 | V(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/test_error.rs:217:15 [INFO] [stdout] | [INFO] [stdout] 217 | Inner(Inner), [INFO] [stdout] | ----- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 217 | Inner(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/test_error.rs:221:17 [INFO] [stdout] | [INFO] [stdout] 221 | Variant(Vec), [INFO] [stdout] | ------- ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 221 | Variant(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/test_error.rs:250:11 [INFO] [stdout] | [INFO] [stdout] 250 | V(usize), [INFO] [stdout] | - ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 250 | V(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> tests/test_error.rs:367:14 [INFO] [stdout] | [INFO] [stdout] 367 | struct S(usize, Option>); [INFO] [stdout] | - ^^^^^ ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = note: `S` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 367 | struct S((), ()); [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/test_error.rs:378:14 [INFO] [stdout] | [INFO] [stdout] 378 | struct S(Option>); [INFO] [stdout] | - ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `S` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 378 | struct S(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> tests/test_error.rs:403:14 [INFO] [stdout] | [INFO] [stdout] 403 | struct S(usize, Option>); [INFO] [stdout] | - ^^^^^ ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = note: `S` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 403 | struct S((), ()); [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.10s [INFO] running `Command { std: "docker" "inspect" "037e645991381a00e7626f5e2e5876c24794863af3334ab814760a8b008c43d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "037e645991381a00e7626f5e2e5876c24794863af3334ab814760a8b008c43d7", kill_on_drop: false }` [INFO] [stdout] 037e645991381a00e7626f5e2e5876c24794863af3334ab814760a8b008c43d7