[INFO] cloning repository https://github.com/Xiaobin0860/rust_learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Xiaobin0860/rust_learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXiaobin0860%2Frust_learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXiaobin0860%2Frust_learning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 71e7fcdfb21777e11e8745ee1317b07d800108ef
[INFO] testing Xiaobin0860/rust_learning against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXiaobin0860%2Frust_learning" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Xiaobin0860/rust_learning on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Xiaobin0860/rust_learning
[INFO] finished tweaking git repo https://github.com/Xiaobin0860/rust_learning
[INFO] tweaked toml for git repo https://github.com/Xiaobin0860/rust_learning written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Xiaobin0860/rust_learning already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 250eaa5946d2d67491d935d5296b972633e427c9878bb6887d3ad28311477512
[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" "250eaa5946d2d67491d935d5296b972633e427c9878bb6887d3ad28311477512", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "250eaa5946d2d67491d935d5296b972633e427c9878bb6887d3ad28311477512", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "250eaa5946d2d67491d935d5296b972633e427c9878bb6887d3ad28311477512", kill_on_drop: false }`
[INFO] [stdout] 250eaa5946d2d67491d935d5296b972633e427c9878bb6887d3ad28311477512
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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] 078ffb28e92a389cc70d6073fa309cb3e140df7eeb09cc24515bf03c1bb0c464
[INFO] running `Command { std: "docker" "start" "-a" "078ffb28e92a389cc70d6073fa309cb3e140df7eeb09cc24515bf03c1bb0c464", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rust_learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.35s
[INFO] running `Command { std: "docker" "inspect" "078ffb28e92a389cc70d6073fa309cb3e140df7eeb09cc24515bf03c1bb0c464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "078ffb28e92a389cc70d6073fa309cb3e140df7eeb09cc24515bf03c1bb0c464", kill_on_drop: false }`
[INFO] [stdout] 078ffb28e92a389cc70d6073fa309cb3e140df7eeb09cc24515bf03c1bb0c464
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48d7a4304db9e2758db1699b17782ba28d6e4a0aef15015a0fa76fb4fc5e23b5
[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" "48d7a4304db9e2758db1699b17782ba28d6e4a0aef15015a0fa76fb4fc5e23b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.95s
[INFO] running `Command { std: "docker" "inspect" "48d7a4304db9e2758db1699b17782ba28d6e4a0aef15015a0fa76fb4fc5e23b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48d7a4304db9e2758db1699b17782ba28d6e4a0aef15015a0fa76fb4fc5e23b5", kill_on_drop: false }`
[INFO] [stdout] 48d7a4304db9e2758db1699b17782ba28d6e4a0aef15015a0fa76fb4fc5e23b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d660b8b7f7ecedb42e344f50580de6b44467e7dc4e5f0d4787881e12728f3d40
[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" "d660b8b7f7ecedb42e344f50580de6b44467e7dc4e5f0d4787881e12728f3d40", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rary-df2c666e892f05f9
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_learning-3a079415c37c7096
[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] [stderr]      Running /opt/rustwide/target/debug/deps/test_attributes-f20bfcc11e69f1ab
[INFO] [stdout] test comments::test_comments ... ok
[INFO] [stdout] test comments::test_add ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_comments-dfa76db9a7fc6719
[INFO] [stdout] test test_attributes ... 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 3 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_conversion-7c0899fef6ef7996
[INFO] [stdout] test comments::test_add ... ok
[INFO] [stdout] test tests::test_comments ... ok
[INFO] [stdout] test comments::test_comments ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_crates-27249331a2284e83
[INFO] [stdout] test test_convert ... 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 1 test
[INFO] [stdout] test test_crates ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_custom_types-eebf39de5e311e38
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_constants ... ok
[INFO] [stdout] test test_structs ... ok
[INFO] [stdout] test test_enums ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_error_handling-6c43b2b941cbac91
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test_multiple_error_types ... ok
[INFO] [stdout] test test_iterating_over_results ... ok
[INFO] [stdout] test test_unpacking ... ok
[INFO] [stdout] test test_combinators ... ok
[INFO] [stdout] test test_result ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_expressions-891132a79f9d3024
[INFO] [stdout] test test_error_handling ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_flow_of_control-df760bdb894baf64
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_expressions ... 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 9 tests
[INFO] [stdout] test test_for ... ok
[INFO] [stdout] test test_match_binding ... ok
[INFO] [stdout] test test_loop ... ok
[INFO] [stdout] test test_match_guard ... ok
[INFO] [stdout] test test_match ... ok
[INFO] [stdout] test test_if ... ok
[INFO] [stdout] test test_match_let ... ok
[INFO] [stdout] test test_match_destructure ... ok
[INFO] [stdout] test test_while ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_functions-435c65a5b0f41f40
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_generics-60e7cb661dd99b5a
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_methods ... ok
[INFO] [stdout] test test_closures ... ok
[INFO] [stdout] test test_funcs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_macros-e8c8f539c9770a9c
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_generics ... 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 8 tests
[INFO] [stdout] test test::add_assign ... ok
[INFO] [stdout] test test::mul_assign ... ok
[INFO] [stdout] test test::sub_assign ... ok
[INFO] [stdout] test test_designators ... ok
[INFO] [stdout] test test_dsl ... ok
[INFO] [stdout] test test_overload ... ok
[INFO] [stdout] test test_repeat ... ok
[INFO] [stdout] test test_macros ... 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/test_modules-166f197891167872
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_primitives-868fd037588ddae9
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_modules ... 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 3 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_prints-0b7db4a43e8273e9
[INFO] [stdout] test test_tuples ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_std_libs-0981d9733d576f40
[INFO] [stdout] test test_primitives ... ok
[INFO] [stdout] test test_arrays_and_slices ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_prints ... 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 5 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_traits-08fb5e2803e51842
[INFO] [stdout] test test_box ... ok
[INFO] [stdout] test test_custom_key_types ... ok
[INFO] [stdout] test test_maps ... ok
[INFO] [stdout] test test_strings ... ok
[INFO] [stdout] test test_vecs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_derive ... ok
[INFO] [stderr]    Doc-tests rary
[INFO] [stdout] test test_ops ... ok
[INFO] [stdout] test test_traits ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 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" "d660b8b7f7ecedb42e344f50580de6b44467e7dc4e5f0d4787881e12728f3d40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d660b8b7f7ecedb42e344f50580de6b44467e7dc4e5f0d4787881e12728f3d40", kill_on_drop: false }`
[INFO] [stdout] d660b8b7f7ecedb42e344f50580de6b44467e7dc4e5f0d4787881e12728f3d40