[INFO] cloning repository https://github.com/wjlewis/little_scheme
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wjlewis/little_scheme" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwjlewis%2Flittle_scheme", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwjlewis%2Flittle_scheme'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] be5bdc48658ddf85626e38b87afe71f9097d7a54
[INFO] testing wjlewis/little_scheme against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwjlewis%2Flittle_scheme" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wjlewis/little_scheme on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wjlewis/little_scheme
[INFO] finished tweaking git repo https://github.com/wjlewis/little_scheme
[INFO] tweaked toml for git repo https://github.com/wjlewis/little_scheme written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/wjlewis/little_scheme already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69984746e74477be470ed4baaea10c3f2b83824bc821fb924fa8ff5814a7503f
[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" "69984746e74477be470ed4baaea10c3f2b83824bc821fb924fa8ff5814a7503f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69984746e74477be470ed4baaea10c3f2b83824bc821fb924fa8ff5814a7503f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69984746e74477be470ed4baaea10c3f2b83824bc821fb924fa8ff5814a7503f", kill_on_drop: false }`
[INFO] [stdout] 69984746e74477be470ed4baaea10c3f2b83824bc821fb924fa8ff5814a7503f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3f5c5d3673eb1964e0dab6cee2931fd2faab6d47133f508a2e8960d2bb82426
[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" "c3f5c5d3673eb1964e0dab6cee2931fd2faab6d47133f508a2e8960d2bb82426", kill_on_drop: false }`
[INFO] [stderr]    Compiling little_scheme v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/heap.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn new(size: usize, get_roots: Box<dyn Fn() -> Vec<usize>>) -> Heap {
[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 dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "c3f5c5d3673eb1964e0dab6cee2931fd2faab6d47133f508a2e8960d2bb82426", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3f5c5d3673eb1964e0dab6cee2931fd2faab6d47133f508a2e8960d2bb82426", kill_on_drop: false }`
[INFO] [stdout] c3f5c5d3673eb1964e0dab6cee2931fd2faab6d47133f508a2e8960d2bb82426
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc79351664013fa2be870399da66bef042073515d4c40d0bf5405f7cddf68837
[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" "dc79351664013fa2be870399da66bef042073515d4c40d0bf5405f7cddf68837", kill_on_drop: false }`
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/heap.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn new(size: usize, get_roots: Box<dyn Fn() -> Vec<usize>>) -> Heap {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling little_scheme v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `obj`
[INFO] [stdout]   --> src/memory/header.rs:97:42
[INFO] [stdout]    |
[INFO] [stdout] 97 |         fn alloc<T: MemWrite>(&mut self, obj: &T) -> usize {
[INFO] [stdout]    |                                          ^^^ help: if this is intentional, prefix it with an underscore: `_obj`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 1.96s
[INFO] running `Command { std: "docker" "inspect" "dc79351664013fa2be870399da66bef042073515d4c40d0bf5405f7cddf68837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc79351664013fa2be870399da66bef042073515d4c40d0bf5405f7cddf68837", kill_on_drop: false }`
[INFO] [stdout] dc79351664013fa2be870399da66bef042073515d4c40d0bf5405f7cddf68837
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e6f10ad22ba2d4a41967f426848a322447145a9cfe5410474c9390d511968055
[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" "e6f10ad22ba2d4a41967f426848a322447145a9cfe5410474c9390d511968055", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stdout] running 8 tests
[INFO] [stderr]   --> src/heap.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn new(size: usize, get_roots: Box<dyn Fn() -> Vec<usize>>) -> Heap {
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `obj`
[INFO] [stderr]   --> src/memory/header.rs:97:42
[INFO] [stderr]    |
[INFO] [stderr] 97 |         fn alloc<T: MemWrite>(&mut self, obj: &T) -> usize {
[INFO] [stderr]    |                                          ^^^ help: if this is intentional, prefix it with an underscore: `_obj`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/little_scheme-bd882c076fb49e56
[INFO] [stdout] test heap::tests::alloc_no_split ... ok
[INFO] [stdout] test heap::tests::alloc_split ... ok
[INFO] [stdout] test memory::aux::tests::write_read_usize ... ok
[INFO] [stdout] test heap::tests::initalize ... ok
[INFO] [stdout] test memory::aux::tests::read_usize ... ok
[INFO] [stdout] test memory::header::tests::write_read_header ... ok
[INFO] [stdout] test memory::aux::tests::write_usize ... ok
[INFO] [stdout] test heap::tests::alloc_too_big ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/main-2277c7f0a7fdad16
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests little_scheme
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/memory/aux.rs - memory::aux::usize::read (line 23) ... ignored
[INFO] [stdout] test src/memory/aux.rs - memory::aux::usize::read (line 33) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e6f10ad22ba2d4a41967f426848a322447145a9cfe5410474c9390d511968055", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6f10ad22ba2d4a41967f426848a322447145a9cfe5410474c9390d511968055", kill_on_drop: false }`
[INFO] [stdout] e6f10ad22ba2d4a41967f426848a322447145a9cfe5410474c9390d511968055