[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 master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [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 a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 621e649366a588cf36b5c7ae1fbe5ab1527665a0eeb03da818b4a3b33ab026b8 [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" "621e649366a588cf36b5c7ae1fbe5ab1527665a0eeb03da818b4a3b33ab026b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "621e649366a588cf36b5c7ae1fbe5ab1527665a0eeb03da818b4a3b33ab026b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "621e649366a588cf36b5c7ae1fbe5ab1527665a0eeb03da818b4a3b33ab026b8", kill_on_drop: false }` [INFO] [stdout] 621e649366a588cf36b5c7ae1fbe5ab1527665a0eeb03da818b4a3b33ab026b8 [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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 512be4e9f8e836e79a7b0e3f7d0798ad33380c3ce07e1cff40ba7945b4bc3665 [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" "512be4e9f8e836e79a7b0e3f7d0798ad33380c3ce07e1cff40ba7945b4bc3665", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling syn v1.0.16 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling serde 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 26.70s [INFO] running `Command { std: "docker" "inspect" "512be4e9f8e836e79a7b0e3f7d0798ad33380c3ce07e1cff40ba7945b4bc3665", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "512be4e9f8e836e79a7b0e3f7d0798ad33380c3ce07e1cff40ba7945b4bc3665", kill_on_drop: false }` [INFO] [stdout] 512be4e9f8e836e79a7b0e3f7d0798ad33380c3ce07e1cff40ba7945b4bc3665 [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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 52d320298b282c1810f953c1240227673c370b891501d0dbf2c8fc26987f4fc6 [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" "52d320298b282c1810f953c1240227673c370b891501d0dbf2c8fc26987f4fc6", 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 0.81s [INFO] running `Command { std: "docker" "inspect" "52d320298b282c1810f953c1240227673c370b891501d0dbf2c8fc26987f4fc6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "52d320298b282c1810f953c1240227673c370b891501d0dbf2c8fc26987f4fc6", kill_on_drop: false }` [INFO] [stdout] 52d320298b282c1810f953c1240227673c370b891501d0dbf2c8fc26987f4fc6 [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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f45fd3e2f69b65dfd5edae8c520e8a9ef7c50dfdfa13ada37ba86e25bf5d9c1c [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" "f45fd3e2f69b65dfd5edae8c520e8a9ef7c50dfdfa13ada37ba86e25bf5d9c1c", 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: `types` (bin "types" test) generated 5 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/types-a4ec5a3b39ab11bd) [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" "f45fd3e2f69b65dfd5edae8c520e8a9ef7c50dfdfa13ada37ba86e25bf5d9c1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f45fd3e2f69b65dfd5edae8c520e8a9ef7c50dfdfa13ada37ba86e25bf5d9c1c", kill_on_drop: false }` [INFO] [stdout] f45fd3e2f69b65dfd5edae8c520e8a9ef7c50dfdfa13ada37ba86e25bf5d9c1c