[INFO] cloning repository https://github.com/mkpankov/type-gymnastics [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mkpankov/type-gymnastics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkpankov%2Ftype-gymnastics", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkpankov%2Ftype-gymnastics'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b14c30c01ef5234a8fe8cdb2cae332a5d35a8bbf [INFO] testing mkpankov/type-gymnastics against 1.49.0 for beta-1.50-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkpankov%2Ftype-gymnastics" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mkpankov/type-gymnastics on toolchain 1.49.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mkpankov/type-gymnastics [INFO] finished tweaking git repo https://github.com/mkpankov/type-gymnastics [INFO] tweaked toml for git repo https://github.com/mkpankov/type-gymnastics written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/mkpankov/type-gymnastics already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6098a84c0b51d64fcad98695434e9ee897cb1f58eb8c62ebd2f15b0b008502ed [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" "6098a84c0b51d64fcad98695434e9ee897cb1f58eb8c62ebd2f15b0b008502ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6098a84c0b51d64fcad98695434e9ee897cb1f58eb8c62ebd2f15b0b008502ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6098a84c0b51d64fcad98695434e9ee897cb1f58eb8c62ebd2f15b0b008502ed", kill_on_drop: false }` [INFO] [stdout] 6098a84c0b51d64fcad98695434e9ee897cb1f58eb8c62ebd2f15b0b008502ed [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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9fecf15d6a15eccf49d92b3f85df6c4686ed7df947500233d2e61a91ec491803 [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" "9fecf15d6a15eccf49d92b3f85df6c4686ed7df947500233d2e61a91ec491803", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.16 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling types v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `r` [INFO] [stdout] --> src/main.rs:135:18 [INFO] [stdout] | [INFO] [stdout] 135 | Some(r) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:133:55 [INFO] [stdout] | [INFO] [stdout] 133 | let mut x = xs.into_iter().fold(BTreeMap::new(), |mut x, action| { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:133:9 [INFO] [stdout] | [INFO] [stdout] 133 | let mut x = xs.into_iter().fold(BTreeMap::new(), |mut x, action| { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `ActionMap` [INFO] [stdout] --> src/main.rs:130:1 [INFO] [stdout] | [INFO] [stdout] 130 | type ActionMap = BTreeMap, Box>>)>>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `group_actions_by_label` [INFO] [stdout] --> src/main.rs:132:4 [INFO] [stdout] | [INFO] [stdout] 132 | fn group_actions_by_label(xs: Vec>, cache: &ArcCache) -> ActionMap { [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 28.50s [INFO] running `Command { std: "docker" "inspect" "9fecf15d6a15eccf49d92b3f85df6c4686ed7df947500233d2e61a91ec491803", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9fecf15d6a15eccf49d92b3f85df6c4686ed7df947500233d2e61a91ec491803", kill_on_drop: false }` [INFO] [stdout] 9fecf15d6a15eccf49d92b3f85df6c4686ed7df947500233d2e61a91ec491803 [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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 16c8084c2a08549e677b979c660c3455667a42b5676073ac85482698c60d82bb [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" "16c8084c2a08549e677b979c660c3455667a42b5676073ac85482698c60d82bb", kill_on_drop: false }` [INFO] [stderr] Compiling types v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `r` [INFO] [stdout] --> src/main.rs:135:18 [INFO] [stdout] | [INFO] [stdout] 135 | Some(r) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:133:55 [INFO] [stdout] | [INFO] [stdout] 133 | let mut x = xs.into_iter().fold(BTreeMap::new(), |mut x, action| { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:133:9 [INFO] [stdout] | [INFO] [stdout] 133 | let mut x = xs.into_iter().fold(BTreeMap::new(), |mut x, action| { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `ActionMap` [INFO] [stdout] --> src/main.rs:130:1 [INFO] [stdout] | [INFO] [stdout] 130 | type ActionMap = BTreeMap, Box>>)>>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `group_actions_by_label` [INFO] [stdout] --> src/main.rs:132:4 [INFO] [stdout] | [INFO] [stdout] 132 | fn group_actions_by_label(xs: Vec>, cache: &ArcCache) -> ActionMap { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.73s [INFO] running `Command { std: "docker" "inspect" "16c8084c2a08549e677b979c660c3455667a42b5676073ac85482698c60d82bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "16c8084c2a08549e677b979c660c3455667a42b5676073ac85482698c60d82bb", kill_on_drop: false }` [INFO] [stdout] 16c8084c2a08549e677b979c660c3455667a42b5676073ac85482698c60d82bb [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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d762f33e427fef4f2c83fa4a71c3a91e558a5996487464f94987cc7d9dd0cd1e [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" "d762f33e427fef4f2c83fa4a71c3a91e558a5996487464f94987cc7d9dd0cd1e", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `r` [INFO] [stderr] --> src/main.rs:135:18 [INFO] [stderr] | [INFO] [stderr] 135 | Some(r) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:133:55 [INFO] [stderr] | [INFO] [stderr] 133 | let mut x = xs.into_iter().fold(BTreeMap::new(), |mut x, action| { [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:133:9 [INFO] [stderr] | [INFO] [stderr] 133 | let mut x = xs.into_iter().fold(BTreeMap::new(), |mut x, action| { [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `ActionMap` [INFO] [stderr] --> src/main.rs:130:1 [INFO] [stderr] | [INFO] [stderr] 130 | type ActionMap = BTreeMap, Box>>)>>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `group_actions_by_label` [INFO] [stderr] --> src/main.rs:132:4 [INFO] [stderr] | [INFO] [stderr] 132 | fn group_actions_by_label(xs: Vec>, cache: &ArcCache) -> ActionMap { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/types-bfcd8aa97e7a36ab [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 [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "d762f33e427fef4f2c83fa4a71c3a91e558a5996487464f94987cc7d9dd0cd1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d762f33e427fef4f2c83fa4a71c3a91e558a5996487464f94987cc7d9dd0cd1e", kill_on_drop: false }` [INFO] [stdout] d762f33e427fef4f2c83fa4a71c3a91e558a5996487464f94987cc7d9dd0cd1e