[INFO] cloning repository https://github.com/wbprime/rust-by-example [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wbprime/rust-by-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwbprime%2Frust-by-example", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwbprime%2Frust-by-example'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5e185bd9cf58eb410477a64e63ea48d297f993ff [INFO] checking wbprime/rust-by-example against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwbprime%2Frust-by-example" "/workspace/builds/worker-50/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-50/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wbprime/rust-by-example 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 git repo https://github.com/wbprime/rust-by-example [INFO] finished tweaking git repo https://github.com/wbprime/rust-by-example [INFO] tweaked toml for git repo https://github.com/wbprime/rust-by-example written to /workspace/builds/worker-50/source/Cargo.toml [INFO] crate git repo https://github.com/wbprime/rust-by-example already has a lockfile, it will not be regenerated [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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] c1dc16070965959603ae1b96d33639ce9b5736ac5bd0c05eb71d53f1eb0941f3 [INFO] running `Command { std: "docker" "start" "-a" "c1dc16070965959603ae1b96d33639ce9b5736ac5bd0c05eb71d53f1eb0941f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c1dc16070965959603ae1b96d33639ce9b5736ac5bd0c05eb71d53f1eb0941f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1dc16070965959603ae1b96d33639ce9b5736ac5bd0c05eb71d53f1eb0941f3", kill_on_drop: false }` [INFO] [stdout] c1dc16070965959603ae1b96d33639ce9b5736ac5bd0c05eb71d53f1eb0941f3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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] 5e4fb38963033b615a2e0e270985b81c3138c61cccd5d8372a4f17071a611551 [INFO] running `Command { std: "docker" "start" "-a" "5e4fb38963033b615a2e0e270985b81c3138c61cccd5d8372a4f17071a611551", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Checking rust-by-example v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/bin/enums.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/flow_control.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/closure.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/match.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/linked_list.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/tuples.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/struct.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/primitives.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/debug_print.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/from_into.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/display_print.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/array_slice.rs from 2018 edition to 2021 [INFO] [stdout] warning: function `onWebEvent` should have a snake case name [INFO] [stdout] --> src/bin/enums.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | fn onWebEvent(e: WebEvent) { [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `on_web_event` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Fixed src/bin/flow_control.rs (1 fix) [INFO] [stderr] Fixed src/bin/match.rs (1 fix) [INFO] [stdout] warning: struct is never constructed: `Nil` [INFO] [stdout] --> src/bin/struct.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Nil; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Pair` [INFO] [stdout] --> src/bin/struct.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Pair(i32, i64); [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Nil` [INFO] [stdout] --> src/bin/struct.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Nil; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Pair` [INFO] [stdout] --> src/bin/struct.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Pair(i32, i64); [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Fixed src/bin/display_print.rs (1 fix) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/display_print.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | write!(f, "["); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/display_print.rs:42:17 [INFO] [stdout] | [INFO] [stdout] 42 | write!(f, ", "); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/display_print.rs:45:13 [INFO] [stdout] | [INFO] [stdout] 45 | write!(f, "[{}] => {}", i, v); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/display_print.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | write!(f, "["); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/display_print.rs:42:17 [INFO] [stdout] | [INFO] [stdout] 42 | write!(f, ", "); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/display_print.rs:45:13 [INFO] [stdout] | [INFO] [stdout] 45 | write!(f, "[{}] => {}", i, v); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `onWebEvent` should have a snake case name [INFO] [stdout] --> src/bin/enums.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | fn onWebEvent(e: WebEvent) { [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `on_web_event` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.16s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking rust-by-example v0.1.0 (/tmp/fixit) [INFO] [stdout] warning: function `onWebEvent` should have a snake case name [INFO] [stdout] --> src/bin/enums.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | fn onWebEvent(e: WebEvent) { [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `on_web_event` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/display_print.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | write!(f, "["); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/display_print.rs:42:17 [INFO] [stdout] | [INFO] [stdout] 42 | write!(f, ", "); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/display_print.rs:45:13 [INFO] [stdout] | [INFO] [stdout] 45 | write!(f, "[{}] => {}", i, v); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `onWebEvent` should have a snake case name [INFO] [stdout] --> src/bin/enums.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | fn onWebEvent(e: WebEvent) { [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `on_web_event` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Nil` [INFO] [stdout] --> src/bin/struct.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Nil; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Pair` [INFO] [stdout] --> src/bin/struct.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Pair(i32, i64); [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Nil` [INFO] [stdout] --> src/bin/struct.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Nil; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Pair` [INFO] [stdout] --> src/bin/struct.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Pair(i32, i64); [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/display_print.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | write!(f, "["); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/display_print.rs:42:17 [INFO] [stdout] | [INFO] [stdout] 42 | write!(f, ", "); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/display_print.rs:45:13 [INFO] [stdout] | [INFO] [stdout] 45 | write!(f, "[{}] => {}", i, v); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.34s [INFO] running `Command { std: "docker" "inspect" "5e4fb38963033b615a2e0e270985b81c3138c61cccd5d8372a4f17071a611551", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5e4fb38963033b615a2e0e270985b81c3138c61cccd5d8372a4f17071a611551", kill_on_drop: false }` [INFO] [stdout] 5e4fb38963033b615a2e0e270985b81c3138c61cccd5d8372a4f17071a611551