[INFO] cloning repository https://github.com/kirjavascript/duplex [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kirjavascript/duplex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirjavascript%2Fduplex", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirjavascript%2Fduplex'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5a2a4849ec0a3779a7051909c6c627c5845d3fd3 [INFO] testing kirjavascript/duplex against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirjavascript%2Fduplex" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kirjavascript/duplex on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kirjavascript/duplex [INFO] finished tweaking git repo https://github.com/kirjavascript/duplex [INFO] tweaked toml for git repo https://github.com/kirjavascript/duplex written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/kirjavascript/duplex already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d03970862c86c041dcef82e09561d90763657f6296fd832f6f165fcd27425390 [INFO] running `Command { std: "docker" "start" "-a" "d03970862c86c041dcef82e09561d90763657f6296fd832f6f165fcd27425390", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d03970862c86c041dcef82e09561d90763657f6296fd832f6f165fcd27425390", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d03970862c86c041dcef82e09561d90763657f6296fd832f6f165fcd27425390", kill_on_drop: false }` [INFO] [stdout] d03970862c86c041dcef82e09561d90763657f6296fd832f6f165fcd27425390 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4b11cf7616c5fee7fd608b5cb3e7beb539913d12ca3da9b8744f2c6e183b5ddc [INFO] running `Command { std: "docker" "start" "-a" "4b11cf7616c5fee7fd608b5cb3e7beb539913d12ca3da9b8744f2c6e183b5ddc", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Compiling serde v1.0.82 [INFO] [stderr] Compiling cfg-if v0.1.6 [INFO] [stderr] Compiling itoa v0.4.3 [INFO] [stderr] Compiling lazy_static v1.2.0 [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Compiling syn v0.15.23 [INFO] [stderr] Compiling nom v4.1.1 [INFO] [stderr] Compiling serde_derive v1.0.82 [INFO] [stderr] Compiling serde_json v1.0.33 [INFO] [stderr] Compiling duplex v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/web/interop.rs:136:21 [INFO] [stdout] | [INFO] [stdout] 136 | use std::sync::{ONCE_INIT, Once}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/web/interop.rs:137:29 [INFO] [stdout] | [INFO] [stdout] 137 | static SET_HOOK: Once = ONCE_INIT; [INFO] [stdout] | ^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `ll_index` [INFO] [stdout] --> src/web/mod.rs:202:5 [INFO] [stdout] | [INFO] [stdout] 202 | ll_index: u64, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Solution` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/web/mod.rs:199:34 [INFO] [stdout] | [INFO] [stdout] 199 | #[derive(Serialize, Deserialize, Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/enumerate.rs:233:5 [INFO] [stdout] | [INFO] [stdout] 233 | / std::mem::replace(sticker, match sticker { [INFO] [stdout] 234 | | U => U, [INFO] [stdout] 235 | | B => R, [INFO] [stdout] 236 | | R => F, [INFO] [stdout] ... | [INFO] [stdout] 240 | | D => D, [INFO] [stdout] 241 | | }); [INFO] [stdout] | |_______^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 50s [INFO] running `Command { std: "docker" "inspect" "4b11cf7616c5fee7fd608b5cb3e7beb539913d12ca3da9b8744f2c6e183b5ddc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b11cf7616c5fee7fd608b5cb3e7beb539913d12ca3da9b8744f2c6e183b5ddc", kill_on_drop: false }` [INFO] [stdout] 4b11cf7616c5fee7fd608b5cb3e7beb539913d12ca3da9b8744f2c6e183b5ddc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 640a3d1e14c3a4936ab12727f4a46a990eeb51e8adc762f5e1694b2b5a63c5ed [INFO] running `Command { std: "docker" "start" "-a" "640a3d1e14c3a4936ab12727f4a46a990eeb51e8adc762f5e1694b2b5a63c5ed", kill_on_drop: false }` [INFO] [stderr] Compiling duplex v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/web/interop.rs:136:21 [INFO] [stdout] | [INFO] [stdout] 136 | use std::sync::{ONCE_INIT, Once}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/web/interop.rs:137:29 [INFO] [stdout] | [INFO] [stdout] 137 | static SET_HOOK: Once = ONCE_INIT; [INFO] [stdout] | ^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `ll_index` [INFO] [stdout] --> src/web/mod.rs:202:5 [INFO] [stdout] | [INFO] [stdout] 202 | ll_index: u64, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Solution` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/web/mod.rs:199:34 [INFO] [stdout] | [INFO] [stdout] 199 | #[derive(Serialize, Deserialize, Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/enumerate.rs:233:5 [INFO] [stdout] | [INFO] [stdout] 233 | / std::mem::replace(sticker, match sticker { [INFO] [stdout] 234 | | U => U, [INFO] [stdout] 235 | | B => R, [INFO] [stdout] 236 | | R => F, [INFO] [stdout] ... | [INFO] [stdout] 240 | | D => D, [INFO] [stdout] 241 | | }); [INFO] [stdout] | |_______^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.78s [INFO] running `Command { std: "docker" "inspect" "640a3d1e14c3a4936ab12727f4a46a990eeb51e8adc762f5e1694b2b5a63c5ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "640a3d1e14c3a4936ab12727f4a46a990eeb51e8adc762f5e1694b2b5a63c5ed", kill_on_drop: false }` [INFO] [stdout] 640a3d1e14c3a4936ab12727f4a46a990eeb51e8adc762f5e1694b2b5a63c5ed [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 97363b19b3a677e05e42561d9da7f4c711ea22e47be994d035d9d0ae2ab0bfc5 [INFO] running `Command { std: "docker" "start" "-a" "97363b19b3a677e05e42561d9da7f4c711ea22e47be994d035d9d0ae2ab0bfc5", kill_on_drop: false }` [INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stderr] --> src/web/interop.rs:136:21 [INFO] [stderr] | [INFO] [stderr] 136 | use std::sync::{ONCE_INIT, Once}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stderr] --> src/web/interop.rs:137:29 [INFO] [stderr] | [INFO] [stderr] 137 | static SET_HOOK: Once = ONCE_INIT; [INFO] [stderr] | ^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `ll_index` [INFO] [stderr] --> src/web/mod.rs:202:5 [INFO] [stderr] | [INFO] [stderr] 202 | ll_index: u64, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `Solution` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/web/mod.rs:199:34 [INFO] [stderr] | [INFO] [stderr] 199 | #[derive(Serialize, Deserialize, Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/enumerate.rs:233:5 [INFO] [stderr] | [INFO] [stderr] 233 | / std::mem::replace(sticker, match sticker { [INFO] [stderr] 234 | | U => U, [INFO] [stderr] 235 | | B => R, [INFO] [stderr] 236 | | R => F, [INFO] [stderr] ... | [INFO] [stderr] 240 | | D => D, [INFO] [stderr] 241 | | }); [INFO] [stderr] | |_______^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: `duplex` (bin "duplex" test) generated 4 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/duplex-3bf822c1be94003c) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "97363b19b3a677e05e42561d9da7f4c711ea22e47be994d035d9d0ae2ab0bfc5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "97363b19b3a677e05e42561d9da7f4c711ea22e47be994d035d9d0ae2ab0bfc5", kill_on_drop: false }` [INFO] [stdout] 97363b19b3a677e05e42561d9da7f4c711ea22e47be994d035d9d0ae2ab0bfc5