[INFO] updating cached repository https://github.com/alex34567/scheme-oxide
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c57652784a5bab9693603ec5639b3256fceef0a9
[INFO] testing alex34567/scheme-oxide against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falex34567%2Fscheme-oxide" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alex34567/scheme-oxide on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/alex34567/scheme-oxide
[INFO] finished tweaking git repo https://github.com/alex34567/scheme-oxide
[INFO] tweaked toml for git repo https://github.com/alex34567/scheme-oxide written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/alex34567/scheme-oxide already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cb5e773a4f305228414768df325510b1431ef9d4fcf642dbc8deaca9bb5d315b
[INFO] running `"docker" "start" "-a" "cb5e773a4f305228414768df325510b1431ef9d4fcf642dbc8deaca9bb5d315b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling scheme-oxide v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `round_to_align`
[INFO] [stderr]   --> src/gc.rs:68:4
[INFO] [stderr]    |
[INFO] [stderr] 68 | fn round_to_align(size: usize, align: usize) -> usize {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `traceable_size`
[INFO] [stderr]   --> src/gc.rs:77:4
[INFO] [stderr]    |
[INFO] [stderr] 77 | fn traceable_size<T>(obj: &GcObj<T>) -> usize
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `mut_option`
[INFO] [stderr]    --> src/gc.rs:108:8
[INFO] [stderr]     |
[INFO] [stderr] 108 |     fn mut_option(&mut self) -> Option<&mut *const GcObjHead> {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `to_ref`
[INFO] [stderr]    --> src/gc.rs:136:15
[INFO] [stderr]     |
[INFO] [stderr] 136 |     unsafe fn to_ref(&self) -> &GcObj<T> {
[INFO] [stderr]     |               ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `size`
[INFO] [stderr]    --> src/gc.rs:174:5
[INFO] [stderr]     |
[INFO] [stderr] 174 |     size: unsafe fn(&GcObjHead) -> usize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `mark`
[INFO] [stderr]    --> src/gc.rs:175:5
[INFO] [stderr]     |
[INFO] [stderr] 175 |     mark: unsafe fn(&GcObjHead, &mut *const GcObjHead),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `update`
[INFO] [stderr]    --> src/gc.rs:176:5
[INFO] [stderr]     |
[INFO] [stderr] 176 |     update: unsafe fn(&GcObjHead),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `vtable`
[INFO] [stderr]    --> src/gc.rs:180:5
[INFO] [stderr]     |
[INFO] [stderr] 180 |     vtable: &'static GcVtable,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `downcast_ref`
[INFO] [stderr]    --> src/gc.rs:185:15
[INFO] [stderr]     |
[INFO] [stderr] 185 |     unsafe fn downcast_ref<T>(&self) -> &GcObj<T>
[INFO] [stderr]     |               ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `downcast_ptr`
[INFO] [stderr]    --> src/gc.rs:193:8
[INFO] [stderr]     |
[INFO] [stderr] 193 |     fn downcast_ptr<T>(ptr: *const Self) -> *const GcObj<T>
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `erase_ptr`
[INFO] [stderr]    --> src/gc.rs:214:8
[INFO] [stderr]     |
[INFO] [stderr] 214 |     fn erase_ptr(ptr: *const Self) -> *const GcObjHead {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/gc.rs:220:8
[INFO] [stderr]     |
[INFO] [stderr] 220 |     fn new(heap_size: usize, root_count: usize) -> Self {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `free_space`
[INFO] [stderr]    --> src/gc.rs:253:8
[INFO] [stderr]     |
[INFO] [stderr] 253 |     fn free_space(&self) -> usize {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `collect`
[INFO] [stderr]    --> src/gc.rs:257:15
[INFO] [stderr]     |
[INFO] [stderr] 257 |     unsafe fn collect(&self) {
[INFO] [stderr]     |               ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `put_on_heap`
[INFO] [stderr]    --> src/gc.rs:349:15
[INFO] [stderr]     |
[INFO] [stderr] 349 |     unsafe fn put_on_heap<T>(&self, new_obj: T) -> Result<RootObject<T>, ()>
[INFO] [stderr]     |               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.56s
[INFO] running `"docker" "inspect" "cb5e773a4f305228414768df325510b1431ef9d4fcf642dbc8deaca9bb5d315b"`
[INFO] running `"docker" "rm" "-f" "cb5e773a4f305228414768df325510b1431ef9d4fcf642dbc8deaca9bb5d315b"`
[INFO] [stdout] cb5e773a4f305228414768df325510b1431ef9d4fcf642dbc8deaca9bb5d315b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stdout] 617d9d2db8764fa3610bcaa86158b989441c8206b9d7544526a678bf50f7b4c8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "617d9d2db8764fa3610bcaa86158b989441c8206b9d7544526a678bf50f7b4c8"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling scheme-oxide v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: associated function is never used: `downcast_ref`
[INFO] [stderr]    --> src/gc.rs:185:15
[INFO] [stderr]     |
[INFO] [stderr] 185 |     unsafe fn downcast_ref<T>(&self) -> &GcObj<T>
[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]     Finished test [unoptimized + debuginfo] target(s) in 4.69s
[INFO] running `"docker" "inspect" "617d9d2db8764fa3610bcaa86158b989441c8206b9d7544526a678bf50f7b4c8"`
[INFO] running `"docker" "rm" "-f" "617d9d2db8764fa3610bcaa86158b989441c8206b9d7544526a678bf50f7b4c8"`
[INFO] [stdout] 617d9d2db8764fa3610bcaa86158b989441c8206b9d7544526a678bf50f7b4c8
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stdout] 7417ebde60154300bfa45628ca7318a1097d79983dd2d4ad8db1b3f8094366eb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "7417ebde60154300bfa45628ca7318a1097d79983dd2d4ad8db1b3f8094366eb"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: associated function is never used: `downcast_ref`
[INFO] [stderr]    --> src/gc.rs:185:15
[INFO] [stderr]     |
[INFO] [stderr] 185 |     unsafe fn downcast_ref<T>(&self) -> &GcObj<T>
[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]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/scheme_oxide-ed86db3a8e417a95
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test gc::test::out_of_ram ... ok
[INFO] [stdout] test gc::test::main_test ... ok
[INFO] [stdout] test gc::test::dynamic_sized ... ok
[INFO] [stdout] test tests::add_zero ... ok
[INFO] [stdout] test tests::list_fun ... ok
[INFO] [stdout] test tests::add_one ... ok
[INFO] [stdout] test tests::add_three ... test tests::add_three has been running for over 60 seconds
[INFO] [stdout] test tests::add_two ... test tests::add_two has been running for over 60 seconds
[INFO] [stdout] test tests::add_two ... ok
[INFO] [stdout] test tests::add_three ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "7417ebde60154300bfa45628ca7318a1097d79983dd2d4ad8db1b3f8094366eb"`
[INFO] running `"docker" "rm" "-f" "7417ebde60154300bfa45628ca7318a1097d79983dd2d4ad8db1b3f8094366eb"`
[INFO] [stdout] 7417ebde60154300bfa45628ca7318a1097d79983dd2d4ad8db1b3f8094366eb