[INFO] fetching crate ouroboros_examples 0.10.1... [INFO] checking ouroboros_examples-0.10.1 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] extracting crate ouroboros_examples 0.10.1 into /workspace/builds/worker-41/source [INFO] validating manifest of crates.io crate ouroboros_examples 0.10.1 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ouroboros_examples 0.10.1 [INFO] finished tweaking crates.io crate ouroboros_examples 0.10.1 [INFO] tweaked toml for crates.io crate ouroboros_examples 0.10.1 written to /workspace/builds/worker-41/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded aliasable v0.1.3 [INFO] [stderr] Downloaded ouroboros_macro v0.10.1 [INFO] [stderr] Downloaded ouroboros v0.10.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9148518f5f3de08fea99775e405899ea8ad2a46e8748df533a9155c77fd6e22a [INFO] running `Command { std: "docker" "start" "-a" "9148518f5f3de08fea99775e405899ea8ad2a46e8748df533a9155c77fd6e22a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9148518f5f3de08fea99775e405899ea8ad2a46e8748df533a9155c77fd6e22a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9148518f5f3de08fea99775e405899ea8ad2a46e8748df533a9155c77fd6e22a", kill_on_drop: false }` [INFO] [stdout] 9148518f5f3de08fea99775e405899ea8ad2a46e8748df533a9155c77fd6e22a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3315c11ae94be26c21c16eb07380ae4d5eee91dd63505389c5814c58d887accc [INFO] running `Command { std: "docker" "start" "-a" "3315c11ae94be26c21c16eb07380ae4d5eee91dd63505389c5814c58d887accc", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.75 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling serde_derive v1.0.128 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling serde_json v1.0.66 [INFO] [stderr] Compiling Inflector v0.11.4 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking aliasable v0.1.3 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling tokio v1.10.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling ouroboros_macro v0.10.1 [INFO] [stderr] Compiling tokio-macros v1.3.0 [INFO] [stderr] Checking ouroboros v0.10.1 [INFO] [stderr] Checking ouroboros_examples v0.10.1 (/tmp/fixit) [INFO] [stderr] Migrating src/lib.rs from 2018 edition to 2021 [INFO] [stdout] warning: field is never read: `data_ref` [INFO] [stdout] --> src/lib.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | data_ref: &'this i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `c` [INFO] [stdout] --> src/lib.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | c: &'this i32, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `float_reference` [INFO] [stdout] --> src/lib.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | float_reference: &'this mut f32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `int_reference` [INFO] [stdout] --> src/lib.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | int_reference: &'this i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `data_ref` [INFO] [stdout] --> src/lib.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | data_ref: &'this i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking serde v1.0.128 [INFO] [stderr] Checking toml v0.5.8 [INFO] [stderr] Checking trybuild v1.0.45 [INFO] [stdout] warning: field is never read: `data_ref` [INFO] [stdout] --> src/lib.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | data_ref: &'this i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `c` [INFO] [stdout] --> src/lib.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | c: &'this i32, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `float_reference` [INFO] [stdout] --> src/lib.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | float_reference: &'this mut f32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `int_reference` [INFO] [stdout] --> src/lib.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | int_reference: &'this i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `data_ref` [INFO] [stdout] --> src/lib.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | data_ref: &'this i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 40.31s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Checking ouroboros_examples v0.10.1 (/tmp/fixit) [INFO] [stdout] warning: field is never read: `data_ref` [INFO] [stdout] --> src/lib.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | data_ref: &'this i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `c` [INFO] [stdout] --> src/lib.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | c: &'this i32, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `float_reference` [INFO] [stdout] --> src/lib.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | float_reference: &'this mut f32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `int_reference` [INFO] [stdout] --> src/lib.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | int_reference: &'this i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `data_ref` [INFO] [stdout] --> src/lib.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | data_ref: &'this i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `data_ref` [INFO] [stdout] --> src/lib.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | data_ref: &'this i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `c` [INFO] [stdout] --> src/lib.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | c: &'this i32, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `float_reference` [INFO] [stdout] --> src/lib.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | float_reference: &'this mut f32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `int_reference` [INFO] [stdout] --> src/lib.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | int_reference: &'this i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `data_ref` [INFO] [stdout] --> src/lib.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | data_ref: &'this i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.00s [INFO] running `Command { std: "docker" "inspect" "3315c11ae94be26c21c16eb07380ae4d5eee91dd63505389c5814c58d887accc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3315c11ae94be26c21c16eb07380ae4d5eee91dd63505389c5814c58d887accc", kill_on_drop: false }` [INFO] [stdout] 3315c11ae94be26c21c16eb07380ae4d5eee91dd63505389c5814c58d887accc