[INFO] updating cached repository https://github.com/courajs/urbit-0
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b4d8d520dd8e50336dd85c4150777fabd2d7e301
[INFO] testing courajs/urbit-0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcourajs%2Furbit-0" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/courajs/urbit-0 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/courajs/urbit-0
[INFO] finished tweaking git repo https://github.com/courajs/urbit-0
[INFO] tweaked toml for git repo https://github.com/courajs/urbit-0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/courajs/urbit-0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 725d7381723823341ebedc4fb67eb10a067a4433d8361d5ffb72a2727fb47951
[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" "725d7381723823341ebedc4fb67eb10a067a4433d8361d5ffb72a2727fb47951", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "725d7381723823341ebedc4fb67eb10a067a4433d8361d5ffb72a2727fb47951", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "725d7381723823341ebedc4fb67eb10a067a4433d8361d5ffb72a2727fb47951", kill_on_drop: false }`
[INFO] [stdout] 725d7381723823341ebedc4fb67eb10a067a4433d8361d5ffb72a2727fb47951
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--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] af836c7b0a6d2f7a23fac6f061a601dc4b0e9874fdd218afac3034f9914f2045
[INFO] running `Command { std: "docker" "start" "-a" "af836c7b0a6d2f7a23fac6f061a601dc4b0e9874fdd218afac3034f9914f2045", kill_on_drop: false }`
[INFO] [stderr]    Compiling urbit-nouns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Atom`
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Atom(u128),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Cell`
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Cell(Rc<Noun>,Rc<Noun>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `value`
[INFO] [stdout]   --> src/main.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn value(&self) -> Result<u128, &'static str> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `open`
[INFO] [stdout]   --> src/main.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn open(&self) -> Result<(&Rc<Noun>,&Rc<Noun>), &'static str> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `open_or`
[INFO] [stdout]   --> src/main.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn open_or(&self, s: &'static str) -> Result<(&Rc<Noun>,&Rc<Noun>), &'static str> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `EvalResult`
[INFO] [stdout]   --> src/main.rs:56:1
[INFO] [stdout]    |
[INFO] [stdout] 56 | type EvalResult = Result<Rc<Noun>, &'static str>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `nock`
[INFO] [stdout]   --> src/main.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn nock(n: &Rc<Noun>) -> EvalResult {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `apply`
[INFO] [stdout]   --> src/main.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn apply(subject: &Rc<Noun>, formula: &Rc<Noun>) -> EvalResult {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `op`
[INFO] [stdout]   --> src/main.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn op(instruction: u128, subject: &Rc<Noun>, args: &Rc<Noun>) -> EvalResult {
[INFO] [stdout]    |    ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `edit`
[INFO] [stdout]   --> src/main.rs:94:4
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn edit(subject: &Rc<Noun>, args: &Rc<Noun>) -> EvalResult {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `edit_n`
[INFO] [stdout]    --> src/main.rs:112:4
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn edit_n(address: u128, replacement: &Rc<Noun>, base: &Rc<Noun>) -> EvalResult {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `macro_nine`
[INFO] [stdout]    --> src/main.rs:127:4
[INFO] [stdout]     |
[INFO] [stdout] 127 | fn macro_nine(subject: &Rc<Noun>, args: &Rc<Noun>) -> EvalResult {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `macro_eight`
[INFO] [stdout]    --> src/main.rs:133:4
[INFO] [stdout]     |
[INFO] [stdout] 133 | fn macro_eight(subject: &Rc<Noun>, args: &Rc<Noun>) -> EvalResult {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `macro_seven`
[INFO] [stdout]    --> src/main.rs:139:4
[INFO] [stdout]     |
[INFO] [stdout] 139 | fn macro_seven(subject: &Rc<Noun>, args: &Rc<Noun>) -> EvalResult {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `macro_six`
[INFO] [stdout]    --> src/main.rs:145:4
[INFO] [stdout]     |
[INFO] [stdout] 145 | fn macro_six(subject: &Rc<Noun>, args: &Rc<Noun>) -> EvalResult {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eq`
[INFO] [stdout]    --> src/main.rs:154:4
[INFO] [stdout]     |
[INFO] [stdout] 154 | fn eq(subject: &Rc<Noun>, args: &Rc<Noun>) -> EvalResult {
[INFO] [stdout]     |    ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `noun_eq`
[INFO] [stdout]    --> src/main.rs:165:4
[INFO] [stdout]     |
[INFO] [stdout] 165 | fn noun_eq(a: &Rc<Noun>, b: &Rc<Noun>) -> bool {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eval`
[INFO] [stdout]    --> src/main.rs:175:4
[INFO] [stdout]     |
[INFO] [stdout] 175 | fn eval(subject: &Rc<Noun>, args: &Rc<Noun>) -> EvalResult {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `depth`
[INFO] [stdout]    --> src/main.rs:182:4
[INFO] [stdout]     |
[INFO] [stdout] 182 | fn depth(n: &Rc<Noun>) -> Rc<Noun> {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `inc`
[INFO] [stdout]    --> src/main.rs:189:4
[INFO] [stdout]     |
[INFO] [stdout] 189 | fn inc(n: Rc<Noun>) -> EvalResult {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `slot`
[INFO] [stdout]    --> src/main.rs:196:4
[INFO] [stdout]     |
[INFO] [stdout] 196 | fn slot(address: &Rc<Noun>, subject: &Rc<Noun>) -> EvalResult {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `slot_n`
[INFO] [stdout]    --> src/main.rs:206:4
[INFO] [stdout]     |
[INFO] [stdout] 206 | fn slot_n(address: u128, subject: &Rc<Noun>) -> EvalResult {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "af836c7b0a6d2f7a23fac6f061a601dc4b0e9874fdd218afac3034f9914f2045", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af836c7b0a6d2f7a23fac6f061a601dc4b0e9874fdd218afac3034f9914f2045", kill_on_drop: false }`
[INFO] [stdout] af836c7b0a6d2f7a23fac6f061a601dc4b0e9874fdd218afac3034f9914f2045
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2df02a0aa787ae41f666c056d919808c41a89e5b40b3e475618ad30501e7c761
[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" "2df02a0aa787ae41f666c056d919808c41a89e5b40b3e475618ad30501e7c761", kill_on_drop: false }`
[INFO] [stderr]    Compiling urbit-nouns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.06s
[INFO] running `Command { std: "docker" "inspect" "2df02a0aa787ae41f666c056d919808c41a89e5b40b3e475618ad30501e7c761", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2df02a0aa787ae41f666c056d919808c41a89e5b40b3e475618ad30501e7c761", kill_on_drop: false }`
[INFO] [stdout] 2df02a0aa787ae41f666c056d919808c41a89e5b40b3e475618ad30501e7c761
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5beca83970c0e631190ca004a51063abd6b593a625174b19f31cdd53c51278e1
[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" "5beca83970c0e631190ca004a51063abd6b593a625174b19f31cdd53c51278e1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/urbit_nouns-9ed2d7e5a894ca43
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test tests::monster ... ignored
[INFO] [stdout] test tests::nock_1 ... ok
[INFO] [stdout] test tests::nock_7 ... ok
[INFO] [stdout] test tests::dec ... ok
[INFO] [stdout] test tests::nock_2 ... ok
[INFO] [stdout] test tests::autocons ... ok
[INFO] [stdout] test tests::rock_tests ... ok
[INFO] [stdout] test tests::nock_9 ... ok
[INFO] [stdout] test tests::nock_10 ... ok
[INFO] [stdout] test tests::nock_0 ... ok
[INFO] [stdout] test tests::nock_8 ... ok
[INFO] [stdout] test tests::nock_4 ... ok
[INFO] [stdout] test tests::nock_6 ... ok
[INFO] [stdout] test tests::nock_3 ... ok
[INFO] [stdout] test tests::nock_5 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5beca83970c0e631190ca004a51063abd6b593a625174b19f31cdd53c51278e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5beca83970c0e631190ca004a51063abd6b593a625174b19f31cdd53c51278e1", kill_on_drop: false }`
[INFO] [stdout] 5beca83970c0e631190ca004a51063abd6b593a625174b19f31cdd53c51278e1