[INFO] cloning repository https://github.com/dmolokanov/execution-time
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dmolokanov/execution-time" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmolokanov%2Fexecution-time", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmolokanov%2Fexecution-time'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 745a3827375689d62a8e614baa10b8ff8799732c
[INFO] testing dmolokanov/execution-time against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmolokanov%2Fexecution-time" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dmolokanov/execution-time on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dmolokanov/execution-time
[INFO] finished tweaking git repo https://github.com/dmolokanov/execution-time
[INFO] tweaked toml for git repo https://github.com/dmolokanov/execution-time written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/dmolokanov/execution-time already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f3cadf5d3b3ca9ca4f87be61784072a1cae3d3bbb441cee202cc671500a54e46
[INFO] running `Command { std: "docker" "start" "-a" "f3cadf5d3b3ca9ca4f87be61784072a1cae3d3bbb441cee202cc671500a54e46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3cadf5d3b3ca9ca4f87be61784072a1cae3d3bbb441cee202cc671500a54e46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3cadf5d3b3ca9ca4f87be61784072a1cae3d3bbb441cee202cc671500a54e46", kill_on_drop: false }`
[INFO] [stdout] f3cadf5d3b3ca9ca4f87be61784072a1cae3d3bbb441cee202cc671500a54e46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aafe76441aef2455b7459069e03628ad1e6e49562bfa6aad5894e7f4d5b46aab
[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" "aafe76441aef2455b7459069e03628ad1e6e49562bfa6aad5894e7f4d5b46aab", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling execution-time-core v0.1.0 (/opt/rustwide/workdir/execution-time-core)
[INFO] [stdout] warning: unused import: `lazy_static::lazy_static`
[INFO] [stdout]  --> execution-time-core/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use lazy_static::lazy_static;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> execution-time-core/src/lib.rs:17:27
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn add_callback<N, F>(name: N, callback: F)
[INFO] [stdout]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `callback`
[INFO] [stdout]   --> execution-time-core/src/lib.rs:17:36
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn add_callback<N, F>(name: N, callback: F)
[INFO] [stdout]    |                                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_callback`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Registry`
[INFO] [stdout]  --> execution-time-core/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | type Registry = HashMap<String, Callback>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Callback`
[INFO] [stdout]  --> execution-time-core/src/lib.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Callback(Arc<dyn Fn() + Send + Sync>);
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]    Compiling execution-time-proc v0.1.0 (/opt/rustwide/workdir/execution-time-proc)
[INFO] [stderr]    Compiling execution-time v0.1.0 (/opt/rustwide/workdir/execution-time)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.17s
[INFO] running `Command { std: "docker" "inspect" "aafe76441aef2455b7459069e03628ad1e6e49562bfa6aad5894e7f4d5b46aab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aafe76441aef2455b7459069e03628ad1e6e49562bfa6aad5894e7f4d5b46aab", kill_on_drop: false }`
[INFO] [stdout] aafe76441aef2455b7459069e03628ad1e6e49562bfa6aad5894e7f4d5b46aab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 240a020f37727a3ca006189cf16f0c44b0eb84bb4cfb79137de899e61793352d
[INFO] running `Command { std: "docker" "start" "-a" "240a020f37727a3ca006189cf16f0c44b0eb84bb4cfb79137de899e61793352d", kill_on_drop: false }`
[INFO] [stderr]    Compiling execution-time-core v0.1.0 (/opt/rustwide/workdir/execution-time-core)
[INFO] [stderr]    Compiling execution-time-proc v0.1.0 (/opt/rustwide/workdir/execution-time-proc)
[INFO] [stderr]    Compiling execution-time v0.1.0 (/opt/rustwide/workdir/execution-time)
[INFO] [stdout] warning: unused import: `lazy_static::lazy_static`
[INFO] [stdout]  --> execution-time-core/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use lazy_static::lazy_static;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> execution-time-core/src/lib.rs:17:27
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn add_callback<N, F>(name: N, callback: F)
[INFO] [stdout]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `callback`
[INFO] [stdout]   --> execution-time-core/src/lib.rs:17:36
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn add_callback<N, F>(name: N, callback: F)
[INFO] [stdout]    |                                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_callback`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Registry`
[INFO] [stdout]  --> execution-time-core/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | type Registry = HashMap<String, Callback>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Callback`
[INFO] [stdout]  --> execution-time-core/src/lib.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Callback(Arc<dyn Fn() + Send + Sync>);
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bar1`
[INFO] [stdout]   --> execution-time/examples/simple.rs:14:30
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn req<T>(&mut self, bar1: impl Into<String>, bar2: T) -> i32
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_bar1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bar2`
[INFO] [stdout]   --> execution-time/examples/simple.rs:14:55
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn req<T>(&mut self, bar1: impl Into<String>, bar2: T) -> i32
[INFO] [stdout]    |                                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_bar2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `execution_time` in this scope
[INFO] [stdout]   --> execution-time-core/src/lib.rs:43:11
[INFO] [stdout]    |
[INFO] [stdout] 43 |         #[execution_time]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lazy_static::lazy_static`
[INFO] [stdout]  --> execution-time-core/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use lazy_static::lazy_static;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `execution-time-core` due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "240a020f37727a3ca006189cf16f0c44b0eb84bb4cfb79137de899e61793352d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "240a020f37727a3ca006189cf16f0c44b0eb84bb4cfb79137de899e61793352d", kill_on_drop: false }`
[INFO] [stdout] 240a020f37727a3ca006189cf16f0c44b0eb84bb4cfb79137de899e61793352d