[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 master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJeffLi01%2Flearn_rust_by_test" "/workspace/builds/worker-48/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-48/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JeffLi01/learn_rust_by_test on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-48/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structview_derive v1.1.0
[INFO] [stderr]   Downloaded structview v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ca0cf52fb36a42c8cf44b3b5eb8c54a1fcca71a42211a7b4a1ba0e9bd292924
[INFO] running `Command { std: "docker" "start" "-a" "4ca0cf52fb36a42c8cf44b3b5eb8c54a1fcca71a42211a7b4a1ba0e9bd292924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ca0cf52fb36a42c8cf44b3b5eb8c54a1fcca71a42211a7b4a1ba0e9bd292924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ca0cf52fb36a42c8cf44b3b5eb8c54a1fcca71a42211a7b4a1ba0e9bd292924", kill_on_drop: false }`
[INFO] [stdout] 4ca0cf52fb36a42c8cf44b3b5eb8c54a1fcca71a42211a7b4a1ba0e9bd292924
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7775228d4b56a729bec4e2baf6bdbe9bb26339626f9128c5bd2ee874d8ee523f
[INFO] running `Command { std: "docker" "start" "-a" "7775228d4b56a729bec4e2baf6bdbe9bb26339626f9128c5bd2ee874d8ee523f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling either v1.6.1
[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 num-bigint v0.4.2
[INFO] [stderr]    Compiling rayon v1.5.1
[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 enum_primitive v0.1.1
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling png v0.7.0
[INFO] [stderr]    Compiling structview_derive v1.1.0
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling structview v1.1.0
[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 28.37s
[INFO] running `Command { std: "docker" "inspect" "7775228d4b56a729bec4e2baf6bdbe9bb26339626f9128c5bd2ee874d8ee523f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7775228d4b56a729bec4e2baf6bdbe9bb26339626f9128c5bd2ee874d8ee523f", kill_on_drop: false }`
[INFO] [stdout] 7775228d4b56a729bec4e2baf6bdbe9bb26339626f9128c5bd2ee874d8ee523f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bce6a48dcc201f156cd61cc5cde400757806106ac43e10e6806bd06a6a19d241
[INFO] running `Command { std: "docker" "start" "-a" "bce6a48dcc201f156cd61cc5cde400757806106ac43e10e6806bd06a6a19d241", 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 2.75s
[INFO] running `Command { std: "docker" "inspect" "bce6a48dcc201f156cd61cc5cde400757806106ac43e10e6806bd06a6a19d241", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bce6a48dcc201f156cd61cc5cde400757806106ac43e10e6806bd06a6a19d241", kill_on_drop: false }`
[INFO] [stdout] bce6a48dcc201f156cd61cc5cde400757806106ac43e10e6806bd06a6a19d241
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b06a63200032983cd63eeb338decce44ae6497693e2a7d00e433294008c4127b
[INFO] running `Command { std: "docker" "start" "-a" "b06a63200032983cd63eeb338decce44ae6497693e2a7d00e433294008c4127b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/learn_rust_by_test-f3dac9f66c4104f8)
[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_create ... ok
[INFO] [stdout] test learn_error::test_display ... 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 7.19s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b06a63200032983cd63eeb338decce44ae6497693e2a7d00e433294008c4127b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b06a63200032983cd63eeb338decce44ae6497693e2a7d00e433294008c4127b", kill_on_drop: false }`
[INFO] [stdout] b06a63200032983cd63eeb338decce44ae6497693e2a7d00e433294008c4127b