[INFO] cloning repository https://github.com/OnlyOneFace/tutotial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/OnlyOneFace/tutotial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOnlyOneFace%2Ftutotial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOnlyOneFace%2Ftutotial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 158ed930b1b97e124965b668e4c920adae43d190
[INFO] testing OnlyOneFace/tutotial against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOnlyOneFace%2Ftutotial" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/OnlyOneFace/tutotial 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/OnlyOneFace/tutotial
[INFO] finished tweaking git repo https://github.com/OnlyOneFace/tutotial
[INFO] tweaked toml for git repo https://github.com/OnlyOneFace/tutotial written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/OnlyOneFace/tutotial 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] b794b265bf97c97c21065719cae84196cebd56a793b7776fae548edf0a44feff
[INFO] running `Command { std: "docker" "start" "-a" "b794b265bf97c97c21065719cae84196cebd56a793b7776fae548edf0a44feff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b794b265bf97c97c21065719cae84196cebd56a793b7776fae548edf0a44feff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b794b265bf97c97c21065719cae84196cebd56a793b7776fae548edf0a44feff", kill_on_drop: false }`
[INFO] [stdout] b794b265bf97c97c21065719cae84196cebd56a793b7776fae548edf0a44feff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b575eb8d332300933c9a7af19a0052ac1d7220348f78cb8292da737ee9788091
[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" "b575eb8d332300933c9a7af19a0052ac1d7220348f78cb8292da737ee9788091", kill_on_drop: false }`
[INFO] [stderr]    Compiling tutotial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `myfn_instance` should have an upper camel case name
[INFO] [stdout]   --> src/base/myfn.rs:34:6
[INFO] [stdout]    |
[INFO] [stdout] 34 | type myfn_instance = fn(u32) -> u32;
[INFO] [stdout]    |      ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `MyfnInstance`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `x`
[INFO] [stdout]  --> src/base/myfn.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     x: f64,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Circle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/base/myfn.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(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: field is never read: `y`
[INFO] [stdout]  --> src/base/myfn.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     y: f64,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Circle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/base/myfn.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(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: field is never read: `x`
[INFO] [stdout]   --> src/base/mystruct.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     x: f64,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Square` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/base/mystruct.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[derive(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: field is never read: `y`
[INFO] [stdout]   --> src/base/mystruct.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     y: f64,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Square` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/base/mystruct.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[derive(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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.28s
[INFO] running `Command { std: "docker" "inspect" "b575eb8d332300933c9a7af19a0052ac1d7220348f78cb8292da737ee9788091", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b575eb8d332300933c9a7af19a0052ac1d7220348f78cb8292da737ee9788091", kill_on_drop: false }`
[INFO] [stdout] b575eb8d332300933c9a7af19a0052ac1d7220348f78cb8292da737ee9788091
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 4bc6f5aca1b4ca9947afe94e5b46a076cb21710680c4546997d3372f3b2bccb4
[INFO] running `Command { std: "docker" "start" "-a" "4bc6f5aca1b4ca9947afe94e5b46a076cb21710680c4546997d3372f3b2bccb4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tutotial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `myfn_instance` should have an upper camel case name
[INFO] [stdout]   --> src/base/myfn.rs:34:6
[INFO] [stdout]    |
[INFO] [stdout] 34 | type myfn_instance = fn(u32) -> u32;
[INFO] [stdout]    |      ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `MyfnInstance`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `x`
[INFO] [stdout]  --> src/base/myfn.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     x: f64,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Circle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/base/myfn.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(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: field is never read: `y`
[INFO] [stdout]  --> src/base/myfn.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     y: f64,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Circle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/base/myfn.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(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: field is never read: `x`
[INFO] [stdout]   --> src/base/mystruct.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     x: f64,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Square` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/base/mystruct.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[derive(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: field is never read: `y`
[INFO] [stdout]   --> src/base/mystruct.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     y: f64,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Square` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/base/mystruct.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[derive(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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "4bc6f5aca1b4ca9947afe94e5b46a076cb21710680c4546997d3372f3b2bccb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bc6f5aca1b4ca9947afe94e5b46a076cb21710680c4546997d3372f3b2bccb4", kill_on_drop: false }`
[INFO] [stdout] 4bc6f5aca1b4ca9947afe94e5b46a076cb21710680c4546997d3372f3b2bccb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 80a14bf230c6cb9927a43252a95f1755eae5f5d7616ed36fff7089a058579f3b
[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" "80a14bf230c6cb9927a43252a95f1755eae5f5d7616ed36fff7089a058579f3b", kill_on_drop: false }`
[INFO] [stderr] warning: type `myfn_instance` should have an upper camel case name
[INFO] [stderr]   --> src/base/myfn.rs:34:6
[INFO] [stderr]    |
[INFO] [stderr] 34 | type myfn_instance = fn(u32) -> u32;
[INFO] [stderr]    |      ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `MyfnInstance`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `x`
[INFO] [stderr]  --> src/base/myfn.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     x: f64,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `Circle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]  --> src/base/myfn.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[derive(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: field is never read: `y`
[INFO] [stderr]  --> src/base/myfn.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     y: f64,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: `Circle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]  --> src/base/myfn.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[derive(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: field is never read: `x`
[INFO] [stderr]   --> src/base/mystruct.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     x: f64,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Square` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/base/mystruct.rs:19:10
[INFO] [stderr]    |
[INFO] [stderr] 19 | #[derive(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: field is never read: `y`
[INFO] [stderr]   --> src/base/mystruct.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     y: f64,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Square` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/base/mystruct.rs:19:10
[INFO] [stderr]    |
[INFO] [stderr] 19 | #[derive(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: `tutotial` (bin "tutotial" test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tutotial-de65f57a06317bb7)
[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" "80a14bf230c6cb9927a43252a95f1755eae5f5d7616ed36fff7089a058579f3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80a14bf230c6cb9927a43252a95f1755eae5f5d7616ed36fff7089a058579f3b", kill_on_drop: false }`
[INFO] [stdout] 80a14bf230c6cb9927a43252a95f1755eae5f5d7616ed36fff7089a058579f3b