[INFO] cloning repository https://github.com/daveschmidt86/rust_stack
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/daveschmidt86/rust_stack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaveschmidt86%2Frust_stack", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaveschmidt86%2Frust_stack'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 71f30ba9259a076c9803b7cc0377b58ef9325143
[INFO] testing daveschmidt86/rust_stack against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaveschmidt86%2Frust_stack" "/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/daveschmidt86/rust_stack on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/daveschmidt86/rust_stack
[INFO] finished tweaking git repo https://github.com/daveschmidt86/rust_stack
[INFO] tweaked toml for git repo https://github.com/daveschmidt86/rust_stack written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/daveschmidt86/rust_stack already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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] 240c461051eec8f9e2eb0d5ecbff4b6008f5ee7b397080f8ceb9c00bcb09727a
[INFO] running `Command { std: "docker" "start" "-a" "240c461051eec8f9e2eb0d5ecbff4b6008f5ee7b397080f8ceb9c00bcb09727a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "240c461051eec8f9e2eb0d5ecbff4b6008f5ee7b397080f8ceb9c00bcb09727a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "240c461051eec8f9e2eb0d5ecbff4b6008f5ee7b397080f8ceb9c00bcb09727a", kill_on_drop: false }`
[INFO] [stdout] 240c461051eec8f9e2eb0d5ecbff4b6008f5ee7b397080f8ceb9c00bcb09727a
[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=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" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8557ab643252aa6c126ac077bb2afd288e4f1430105b6e853f0d1896e2abd3d
[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" "b8557ab643252aa6c126ac077bb2afd288e4f1430105b6e853f0d1896e2abd3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_tuts v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `peek`
[INFO] [stdout]   --> src/stack.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn peek(&self) -> Option<&T> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `active`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     active: bool,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `make_a_test_add`
[INFO] [stdout]   --> src/main.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn make_a_test_add(a: i32, b: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "b8557ab643252aa6c126ac077bb2afd288e4f1430105b6e853f0d1896e2abd3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8557ab643252aa6c126ac077bb2afd288e4f1430105b6e853f0d1896e2abd3d", kill_on_drop: false }`
[INFO] [stdout] b8557ab643252aa6c126ac077bb2afd288e4f1430105b6e853f0d1896e2abd3d
[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=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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53a04982c930b3f8e46968ef80048349f34c663b978360a58dd1cb960d17bd7f
[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" "53a04982c930b3f8e46968ef80048349f34c663b978360a58dd1cb960d17bd7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_tuts v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `active`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     active: bool,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "53a04982c930b3f8e46968ef80048349f34c663b978360a58dd1cb960d17bd7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53a04982c930b3f8e46968ef80048349f34c663b978360a58dd1cb960d17bd7f", kill_on_drop: false }`
[INFO] [stdout] 53a04982c930b3f8e46968ef80048349f34c663b978360a58dd1cb960d17bd7f
[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=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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d80d19f3c265b402807e602b9327d507998348197701bba541d2c04a8563bc85
[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" "d80d19f3c265b402807e602b9327d507998348197701bba541d2c04a8563bc85", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: field is never read: `active`
[INFO] [stdout] running 7 tests
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stdout] test stack::tests::test_new_with_capacity ... ok
[INFO] [stderr]   |
[INFO] [stderr] 9 |     active: bool,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_tuts` (bin "rust_tuts" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_tuts-e6cabff7d39eaf09)
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test stack::tests::test_size ... ok
[INFO] [stdout] test stack::tests::test_pop ... ok
[INFO] [stdout] test stack::tests::test_push_maxsize ... ok
[INFO] [stdout] test stack::tests::test_push ... ok
[INFO] [stdout] test tests::does_adding_work ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d80d19f3c265b402807e602b9327d507998348197701bba541d2c04a8563bc85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d80d19f3c265b402807e602b9327d507998348197701bba541d2c04a8563bc85", kill_on_drop: false }`
[INFO] [stdout] d80d19f3c265b402807e602b9327d507998348197701bba541d2c04a8563bc85