[INFO] cloning repository https://github.com/JeffLi01/learn_rust_by_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JeffLi01/learn_rust_by_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJeffLi01%2Flearn_rust_by_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJeffLi01%2Flearn_rust_by_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cc3e261e18602f360bf4d35441cf13311c10077d
[INFO] testing JeffLi01/learn_rust_by_test against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJeffLi01%2Flearn_rust_by_test" "/workspace/builds/worker-31/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-31/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JeffLi01/learn_rust_by_test on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JeffLi01/learn_rust_by_test
[INFO] finished tweaking git repo https://github.com/JeffLi01/learn_rust_by_test
[INFO] tweaked toml for git repo https://github.com/JeffLi01/learn_rust_by_test written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] crate git repo https://github.com/JeffLi01/learn_rust_by_test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--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-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1493e4f591c45e7683681a56948c33485993ac44c4b9f7243dd8b32f2de7fe34
[INFO] running `Command { std: "docker" "start" "-a" "1493e4f591c45e7683681a56948c33485993ac44c4b9f7243dd8b32f2de7fe34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1493e4f591c45e7683681a56948c33485993ac44c4b9f7243dd8b32f2de7fe34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1493e4f591c45e7683681a56948c33485993ac44c4b9f7243dd8b32f2de7fe34", kill_on_drop: false }`
[INFO] [stdout] 1493e4f591c45e7683681a56948c33485993ac44c4b9f7243dd8b32f2de7fe34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e112c888370a975f7e394af81ec0dce0e3642eed02d214b1f6502e77bbbb051d
[INFO] running `Command { std: "docker" "start" "-a" "e112c888370a975f7e394af81ec0dce0e3642eed02d214b1f6502e77bbbb051d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling inflate v0.2.0
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling gif v0.9.2
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num-bigint v0.4.2
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling structview_derive v1.1.0
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling structview v1.1.0
[INFO] [stderr]    Compiling png v0.7.0
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling image v0.13.0
[INFO] [stderr]    Compiling learn_rust_by_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.50s
[INFO] running `Command { std: "docker" "inspect" "e112c888370a975f7e394af81ec0dce0e3642eed02d214b1f6502e77bbbb051d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e112c888370a975f7e394af81ec0dce0e3642eed02d214b1f6502e77bbbb051d", kill_on_drop: false }`
[INFO] [stdout] e112c888370a975f7e394af81ec0dce0e3642eed02d214b1f6502e77bbbb051d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b73c73c23774314b8a818103979bccabfb228cb978daa94b3e1c894bf844573
[INFO] running `Command { std: "docker" "start" "-a" "7b73c73c23774314b8a818103979bccabfb228cb978daa94b3e1c894bf844573", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling learn_rust_by_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.67s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/learn_rust_by_test-5f33ff200764098b)
[INFO] running `Command { std: "docker" "inspect" "7b73c73c23774314b8a818103979bccabfb228cb978daa94b3e1c894bf844573", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b73c73c23774314b8a818103979bccabfb228cb978daa94b3e1c894bf844573", kill_on_drop: false }`
[INFO] [stdout] 7b73c73c23774314b8a818103979bccabfb228cb978daa94b3e1c894bf844573
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9abc0cb184b1386d172c1557c92090758972343cc26000006fafb9004f026875
[INFO] running `Command { std: "docker" "start" "-a" "9abc0cb184b1386d172c1557c92090758972343cc26000006fafb9004f026875", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/learn_rust_by_test-5f33ff200764098b)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test design_patterns::modify_enum_values::test_more_variants ... ok
[INFO] [stdout] test design_patterns::modify_enum_values::test_single ... ok
[INFO] [stdout] test learn_byteorder::test_read ... ok
[INFO] [stdout] test learn_byteorder::test_write ... ok
[INFO] [stdout] test learn_error::test_display ... ok
[INFO] [stdout] test learn_error::test_create ... ok
[INFO] [stdout] test learn_ref::test_rc ... ok
[INFO] [stdout] test learn_ref::test_rc_vector ... ok
[INFO] [stdout] test learn_ref::test_reference ... ok
[INFO] [stdout] test learn_structview::test_read ... ok
[INFO] [stdout] test learn_structview::test_write ... ok
[INFO] [stdout] test leet_code::q0001::test_two_sum ... ok
[INFO] [stdout] test leet_code::q0005::test_solution ... ok
[INFO] [stdout] test leet_code::q0010::test::test01 ... ok
[INFO] [stdout] test leet_code::q0010::test::test02 ... ok
[INFO] [stdout] test leet_code::q2014::test_solution3 ... ok
[INFO] [stdout] test leet_code::q2014::test_solution7 ... ok
[INFO] [stdout] test leet_code::q2014::test_solution6 ... ok
[INFO] [stdout] test leet_code::q2014::test_solution2 ... ok
[INFO] [stdout] test leet_code::q2014::test_solution5 ... ok
[INFO] [stdout] test leet_code::q2014::test_solution ... ok
[INFO] [stdout] test leet_code::q2014::test_solution4 ... ok
[INFO] [stdout] test leet_code::q2014::test_solution0 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 9.54s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9abc0cb184b1386d172c1557c92090758972343cc26000006fafb9004f026875", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9abc0cb184b1386d172c1557c92090758972343cc26000006fafb9004f026875", kill_on_drop: false }`
[INFO] [stdout] 9abc0cb184b1386d172c1557c92090758972343cc26000006fafb9004f026875