[INFO] cloning repository https://github.com/smallswan/rust-by-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/smallswan/rust-by-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmallswan%2Frust-by-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmallswan%2Frust-by-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec16895f468378d6589e6449a6c2b990cdbcfb76
[INFO] testing smallswan/rust-by-example against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmallswan%2Frust-by-example" "/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/smallswan/rust-by-example 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/smallswan/rust-by-example
[INFO] finished tweaking git repo https://github.com/smallswan/rust-by-example
[INFO] tweaked toml for git repo https://github.com/smallswan/rust-by-example written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/smallswan/rust-by-example 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded qrcode v0.11.2
[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] bfac864ee93990313240687de2794fa38594adf94ebc4fb3f2559fcdff3f431f
[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" "bfac864ee93990313240687de2794fa38594adf94ebc4fb3f2559fcdff3f431f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfac864ee93990313240687de2794fa38594adf94ebc4fb3f2559fcdff3f431f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfac864ee93990313240687de2794fa38594adf94ebc4fb3f2559fcdff3f431f", kill_on_drop: false }`
[INFO] [stdout] bfac864ee93990313240687de2794fa38594adf94ebc4fb3f2559fcdff3f431f
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c72c654521cf176986fe6fed33c5a7b58d99ff187f9752ed99cb69b1ab40c6fd
[INFO] running `Command { std: "docker" "start" "-a" "c72c654521cf176986fe6fed33c5a7b58d99ff187f9752ed99cb69b1ab40c6fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling checked_int_cast v1.0.0
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling bytemuck v1.2.0
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling miniz_oxide v0.3.6
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling deflate v0.8.4
[INFO] [stderr]    Compiling tiff v0.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling png v0.16.3
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling image v0.22.5
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling qrcode v0.11.2
[INFO] [stderr]    Compiling jpeg-decoder v0.1.19
[INFO] [stderr]    Compiling image v0.23.4
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling pin-project v0.4.22
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling serde_json v1.0.50
[INFO] [stderr]    Compiling rust_by_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 10s
[INFO] running `Command { std: "docker" "inspect" "c72c654521cf176986fe6fed33c5a7b58d99ff187f9752ed99cb69b1ab40c6fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c72c654521cf176986fe6fed33c5a7b58d99ff187f9752ed99cb69b1ab40c6fd", kill_on_drop: false }`
[INFO] [stdout] c72c654521cf176986fe6fed33c5a7b58d99ff187f9752ed99cb69b1ab40c6fd
[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] 62e6f133d3e29e10144c046f3cc363c18d4c7ecf2843ae7bc68e72fdc34351cd
[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" "62e6f133d3e29e10144c046f3cc363c18d4c7ecf2843ae7bc68e72fdc34351cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_by_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.40s
[INFO] running `Command { std: "docker" "inspect" "62e6f133d3e29e10144c046f3cc363c18d4c7ecf2843ae7bc68e72fdc34351cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62e6f133d3e29e10144c046f3cc363c18d4c7ecf2843ae7bc68e72fdc34351cd", kill_on_drop: false }`
[INFO] [stdout] 62e6f133d3e29e10144c046f3cc363c18d4c7ecf2843ae7bc68e72fdc34351cd
[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] 1dc566655c01a07f844fd2a2f128f44d8751385e6a7fa5bafd793c27040aad6c
[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" "1dc566655c01a07f844fd2a2f128f44d8751385e6a7fa5bafd793c27040aad6c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_by_example-820a6915e2bece86
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test tests::demo_box ... ok
[INFO] [stdout] test tests::drop_trait_demo ... ok
[INFO] [stdout] test tests::for_iterator ... ok
[INFO] [stdout] test tests::read_file_lines ... ok
[INFO] [stdout] test tests::reference_cycles ... ok
[INFO] [stdout] test tests::leaf_node ... ok
[INFO] [stdout] test tests::it_sends_an_over_75_percent_warning_message ... ok
[INFO] [stdout] test tests::return_result ... ok
[INFO] [stdout] test tests::hof ... ok
[INFO] [stdout] test tests::rc ... ok
[INFO] [stdout] test tests::rc_demo ... ok
[INFO] [stdout] test tests::rc_rcfcell ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::os_test ... ok
[INFO] [stdout] test tests::qrcode_image ... ok
[INFO] [stdout] test tests::another ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_by_example-c51b1642f1818000
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test asyncprogram::demo ... ok
[INFO] [stdout] test serializing::generic_type ... ok
[INFO] [stdout] test secret::alipay_sign ... ok
[INFO] [stdout] test random::tests::first_demo ... ok
[INFO] [stdout] test serializing::json_file ... ok
[INFO] [stdout] test serializing::marco_json_demo ... ok
[INFO] [stdout] test serializing::three_ways_use_json ... ok
[INFO] [stdout] test dfa::set_iter ... ok
[INFO] [stdout] test secret::rust_analyzer_demo ... ok
[INFO] [stdout] test random::tests::rand_demo2 ... ok
[INFO] [stdout] test dfa::read_file ... ok
[INFO] [stdout] test easyrust::helpful_methods_for_iterators_and_closure ... ok
[INFO] [stdout] test smartpointer::arc_demo ... ok
[INFO] [stdout] test serializing::ser_de_demo ... ok
[INFO] [stdout] test dfa::sub_str ... ok
[INFO] [stdout] test validators::tests::money_test ... ok
[INFO] [stdout] test validators::tests::identifiers_test ... ok
[INFO] [stdout] test serializing::attr_flatten ... ok
[INFO] [stdout] test secret::rust_crypt ... ok
[INFO] [stdout] test validators::tests::regex_demo ... ok
[INFO] [stdout] test validators::tests::id_cards_test ... ok
[INFO] [stdout] test snowflake::elapse_test ... ok
[INFO] [stdout] test closures::closure_demo ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 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/integration_test-d18e243802beb14d
[INFO] [stdout] test sensitive_word ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_by_example
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - div (line 451) ... ok
[INFO] [stdout] test src/lib.rs - div (line 442) ... ok
[INFO] [stdout] test src/lib.rs - add (line 428) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1dc566655c01a07f844fd2a2f128f44d8751385e6a7fa5bafd793c27040aad6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dc566655c01a07f844fd2a2f128f44d8751385e6a7fa5bafd793c27040aad6c", kill_on_drop: false }`
[INFO] [stdout] 1dc566655c01a07f844fd2a2f128f44d8751385e6a7fa5bafd793c27040aad6c