[INFO] cloning repository https://github.com/kimrutherford/pombase_rc_string
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kimrutherford/pombase_rc_string" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkimrutherford%2Fpombase_rc_string", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkimrutherford%2Fpombase_rc_string'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cabbbc21a834a7b23adb5552fab390db75310568
[INFO] testing kimrutherford/pombase_rc_string against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkimrutherford%2Fpombase_rc_string" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kimrutherford/pombase_rc_string on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kimrutherford/pombase_rc_string
[INFO] finished tweaking git repo https://github.com/kimrutherford/pombase_rc_string
[INFO] tweaked toml for git repo https://github.com/kimrutherford/pombase_rc_string written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/kimrutherford/pombase_rc_string already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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] 4096ce7f17909c0a2154c3993955b9862662c9d36bbcbe943751fa7274881f8f
[INFO] running `Command { std: "docker" "start" "-a" "4096ce7f17909c0a2154c3993955b9862662c9d36bbcbe943751fa7274881f8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4096ce7f17909c0a2154c3993955b9862662c9d36bbcbe943751fa7274881f8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4096ce7f17909c0a2154c3993955b9862662c9d36bbcbe943751fa7274881f8f", kill_on_drop: false }`
[INFO] [stdout] 4096ce7f17909c0a2154c3993955b9862662c9d36bbcbe943751fa7274881f8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b5cc2537df4e726c5f8686a915a3ed80ac632cb27551c0a51b3ce7d4bec10c0
[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" "8b5cc2537df4e726c5f8686a915a3ed80ac632cb27551c0a51b3ce7d4bec10c0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.13
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling serde v1.0.75
[INFO] [stderr]    Compiling ryu v0.2.5
[INFO] [stderr]    Compiling itoa v0.4.2
[INFO] [stderr]    Compiling weak-table v0.2.3
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling serde_derive v1.0.75
[INFO] [stderr]    Compiling serde_json v1.0.26
[INFO] [stderr]    Compiling pombase_rc_string v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: static variable `cache` should have an upper case name
[INFO] [stdout]   --> src/lib.rs:24:16
[INFO] [stdout]    |
[INFO] [stdout] 24 |     static ref cache: Mutex<WeakHashSet<Weak<String>>> = Mutex::new(WeakHashSet::new());
[INFO] [stdout]    |                ^^^^^ help: convert the identifier to upper case: `CACHE`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` 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 28.50s
[INFO] running `Command { std: "docker" "inspect" "8b5cc2537df4e726c5f8686a915a3ed80ac632cb27551c0a51b3ce7d4bec10c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b5cc2537df4e726c5f8686a915a3ed80ac632cb27551c0a51b3ce7d4bec10c0", kill_on_drop: false }`
[INFO] [stdout] 8b5cc2537df4e726c5f8686a915a3ed80ac632cb27551c0a51b3ce7d4bec10c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d1ce783af721710aa6cff0fdd6ed14c9fb616010b790e5d19de3c1e31ae6a23
[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" "6d1ce783af721710aa6cff0fdd6ed14c9fb616010b790e5d19de3c1e31ae6a23", kill_on_drop: false }`
[INFO] [stderr]    Compiling pombase_rc_string v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: static variable `cache` should have an upper case name
[INFO] [stdout]   --> src/lib.rs:24:16
[INFO] [stdout]    |
[INFO] [stdout] 24 |     static ref cache: Mutex<WeakHashSet<Weak<String>>> = Mutex::new(WeakHashSet::new());
[INFO] [stdout]    |                ^^^^^ help: convert the identifier to upper case: `CACHE`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `cache` should have an upper case name
[INFO] [stdout]   --> src/lib.rs:24:16
[INFO] [stdout]    |
[INFO] [stdout] 24 |     static ref cache: Mutex<WeakHashSet<Weak<String>>> = Mutex::new(WeakHashSet::new());
[INFO] [stdout]    |                ^^^^^ help: convert the identifier to upper case: `CACHE`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` 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 1.97s
[INFO] running `Command { std: "docker" "inspect" "6d1ce783af721710aa6cff0fdd6ed14c9fb616010b790e5d19de3c1e31ae6a23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d1ce783af721710aa6cff0fdd6ed14c9fb616010b790e5d19de3c1e31ae6a23", kill_on_drop: false }`
[INFO] [stdout] 6d1ce783af721710aa6cff0fdd6ed14c9fb616010b790e5d19de3c1e31ae6a23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] de270c7f31239dacba51f2fc27f22cc20a5c31da46a06e4d4d16f220a3ea2651
[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" "de270c7f31239dacba51f2fc27f22cc20a5c31da46a06e4d4d16f220a3ea2651", kill_on_drop: false }`
[INFO] [stderr] warning: static variable `cache` should have an upper case name
[INFO] [stderr]   --> src/lib.rs:24:16
[INFO] [stderr]    |
[INFO] [stderr] 24 |     static ref cache: Mutex<WeakHashSet<Weak<String>>> = Mutex::new(WeakHashSet::new());
[INFO] [stderr]    |                ^^^^^ help: convert the identifier to upper case: `CACHE`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `cache` should have an upper case name
[INFO] [stderr]   --> src/lib.rs:24:16
[INFO] [stderr]    |
[INFO] [stderr] 24 |     static ref cache: Mutex<WeakHashSet<Weak<String>>> = Mutex::new(WeakHashSet::new());
[INFO] [stderr]    |                ^^^^^ help: convert the identifier to upper case: `CACHE`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pombase_rc_string-a578d4339a37c439
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test-8cd04c8373ea7a03
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pombase_rc_string
[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 1 test
[INFO] [stdout] test test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "de270c7f31239dacba51f2fc27f22cc20a5c31da46a06e4d4d16f220a3ea2651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de270c7f31239dacba51f2fc27f22cc20a5c31da46a06e4d4d16f220a3ea2651", kill_on_drop: false }`
[INFO] [stdout] de270c7f31239dacba51f2fc27f22cc20a5c31da46a06e4d4d16f220a3ea2651