[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] a6ebcdd27a93269367916ba9c401ef35d0ad8140
[INFO] testing smallswan/rust-by-example against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmallswan%2Frust-by-example" "/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/smallswan/rust-by-example on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-2/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" "+beta-2020-07-24" "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-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" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b15b51b2882f99604028be1fea5d04466d2e8d2c6bb8c8786be079f882b3366
[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" "9b15b51b2882f99604028be1fea5d04466d2e8d2c6bb8c8786be079f882b3366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b15b51b2882f99604028be1fea5d04466d2e8d2c6bb8c8786be079f882b3366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b15b51b2882f99604028be1fea5d04466d2e8d2c6bb8c8786be079f882b3366", kill_on_drop: false }`
[INFO] [stdout] 9b15b51b2882f99604028be1fea5d04466d2e8d2c6bb8c8786be079f882b3366
[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" "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] c29aa79c68ec3404ca42e4b2a81b098371fec340a1ba62ce8f2eea28998839e1
[INFO] running `Command { std: "docker" "start" "-a" "c29aa79c68ec3404ca42e4b2a81b098371fec340a1ba62ce8f2eea28998839e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling checked_int_cast v1.0.0
[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 rand_chacha v0.2.2
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling image v0.22.5
[INFO] [stderr]    Compiling png v0.16.3
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling quote v1.0.3
[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 1m 27s
[INFO] running `Command { std: "docker" "inspect" "c29aa79c68ec3404ca42e4b2a81b098371fec340a1ba62ce8f2eea28998839e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c29aa79c68ec3404ca42e4b2a81b098371fec340a1ba62ce8f2eea28998839e1", kill_on_drop: false }`
[INFO] [stdout] c29aa79c68ec3404ca42e4b2a81b098371fec340a1ba62ce8f2eea28998839e1
[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" "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--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] d64d40fea6bd65ff078ff4ac90419f3f354ede97cc0865eeaa8dde1f71b8f9eb
[INFO] running `Command { std: "docker" "start" "-a" "d64d40fea6bd65ff078ff4ac90419f3f354ede97cc0865eeaa8dde1f71b8f9eb", 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 6.56s
[INFO] running `Command { std: "docker" "inspect" "d64d40fea6bd65ff078ff4ac90419f3f354ede97cc0865eeaa8dde1f71b8f9eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d64d40fea6bd65ff078ff4ac90419f3f354ede97cc0865eeaa8dde1f71b8f9eb", kill_on_drop: false }`
[INFO] [stdout] d64d40fea6bd65ff078ff4ac90419f3f354ede97cc0865eeaa8dde1f71b8f9eb
[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" "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0528c3d975b0e19eea1b4707be3307207f27cd2bbf415df26c57398282288e1f
[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" "0528c3d975b0e19eea1b4707be3307207f27cd2bbf415df26c57398282288e1f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_by_example-75601d31070d5bdd
[INFO] [stdout] running 15 tests
[INFO] [stdout] test tests::it_sends_an_over_75_percent_warning_message ... ok
[INFO] [stdout] test tests::reference_cycles ... ok
[INFO] [stdout] test tests::read_file_lines ... ok
[INFO] [stdout] test tests::hof ... ok
[INFO] [stdout] test tests::demo_box ... ok
[INFO] [stdout] test tests::for_iterator ... ok
[INFO] [stdout] test tests::rc_demo ... ok
[INFO] [stdout] test tests::rc_rcfcell ... ok
[INFO] [stdout] test tests::drop_trait_demo ... ok
[INFO] [stdout] test tests::os_test ... ok
[INFO] [stdout] test tests::leaf_node ... ok
[INFO] [stdout] test tests::return_result ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::qrcode_image ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_by_example-60a213c6f078f1b1
[INFO] [stdout] test tests::another ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test asyncprogram::demo ... ok
[INFO] [stdout] test dfa::read_file ... ok
[INFO] [stdout] test validators::tests::identifiers_test ... ok
[INFO] [stdout] test dfa::sub_str ... ok
[INFO] [stdout] test dfa::set_iter ... ok
[INFO] [stdout] test serializing::json_file ... ok
[INFO] [stdout] test serializing::ser_de_demo ... ok
[INFO] [stdout] test random::tests::rand_demo2 ... ok
[INFO] [stdout] test serializing::marco_json_demo ... ok
[INFO] [stdout] test random::tests::first_demo ... ok
[INFO] [stdout] test validators::tests::money_test ... ok
[INFO] [stdout] test validators::tests::regex_demo ... ok
[INFO] [stdout] test secret::rust_crypt ... 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. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/integration_test-ffcd594d712d184a
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_by_example
[INFO] [stdout] running 1 test
[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] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - div (line 434) ... ok
[INFO] [stdout] test src/lib.rs - add (line 411) ... ok
[INFO] [stdout] test src/lib.rs - div (line 425) ... 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" "0528c3d975b0e19eea1b4707be3307207f27cd2bbf415df26c57398282288e1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0528c3d975b0e19eea1b4707be3307207f27cd2bbf415df26c57398282288e1f", kill_on_drop: false }`
[INFO] [stdout] 0528c3d975b0e19eea1b4707be3307207f27cd2bbf415df26c57398282288e1f