[INFO] cloning repository https://github.com/LuoKevin/rust_i_o
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LuoKevin/rust_i_o" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuoKevin%2Frust_i_o", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuoKevin%2Frust_i_o'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e9ed0392f0fc5dae4c684c1058918d89a4f78525
[INFO] testing LuoKevin/rust_i_o against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuoKevin%2Frust_i_o" "/workspace/builds/worker-83/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-83/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LuoKevin/rust_i_o on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LuoKevin/rust_i_o
[INFO] finished tweaking git repo https://github.com/LuoKevin/rust_i_o
[INFO] tweaked toml for git repo https://github.com/LuoKevin/rust_i_o written to /workspace/builds/worker-83/source/Cargo.toml
[INFO] crate git repo https://github.com/LuoKevin/rust_i_o already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aab86c077689524dfc741ef80b1e7e55d333cf8c16c21caac5a4be3978aee8f2
[INFO] running `Command { std: "docker" "start" "-a" "aab86c077689524dfc741ef80b1e7e55d333cf8c16c21caac5a4be3978aee8f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aab86c077689524dfc741ef80b1e7e55d333cf8c16c21caac5a4be3978aee8f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aab86c077689524dfc741ef80b1e7e55d333cf8c16c21caac5a4be3978aee8f2", kill_on_drop: false }`
[INFO] [stdout] aab86c077689524dfc741ef80b1e7e55d333cf8c16c21caac5a4be3978aee8f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46a72b6f7446ccb516508788a98066fc66c2f1f15b855c37131211106b2549d4
[INFO] running `Command { std: "docker" "start" "-a" "46a72b6f7446ccb516508788a98066fc66c2f1f15b855c37131211106b2549d4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling basic_i_o v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.00s
[INFO] running `Command { std: "docker" "inspect" "46a72b6f7446ccb516508788a98066fc66c2f1f15b855c37131211106b2549d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46a72b6f7446ccb516508788a98066fc66c2f1f15b855c37131211106b2549d4", kill_on_drop: false }`
[INFO] [stdout] 46a72b6f7446ccb516508788a98066fc66c2f1f15b855c37131211106b2549d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1536968a4871b380003841b78fb754139af00b5327c5c3f925636617efcaf459
[INFO] running `Command { std: "docker" "start" "-a" "1536968a4871b380003841b78fb754139af00b5327c5c3f925636617efcaf459", kill_on_drop: false }`
[INFO] [stderr]    Compiling basic_i_o v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "1536968a4871b380003841b78fb754139af00b5327c5c3f925636617efcaf459", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1536968a4871b380003841b78fb754139af00b5327c5c3f925636617efcaf459", kill_on_drop: false }`
[INFO] [stdout] 1536968a4871b380003841b78fb754139af00b5327c5c3f925636617efcaf459
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d56eaea6f3c8c697febd67c56eec1c745c01bcfa6990d0f02105baaf21f08084
[INFO] running `Command { std: "docker" "start" "-a" "d56eaea6f3c8c697febd67c56eec1c745c01bcfa6990d0f02105baaf21f08084", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.32s
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/basic_i_o-91a6442bf07d175b)
[INFO] [stdout] test tests::case_insensitive ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/basic_i_o-88b0b0b3f51128c4)
[INFO] [stdout] test tests::case_sensitive ... ok
[INFO] [stderr]    Doc-tests basic_i_o
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[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; finished in 0.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d56eaea6f3c8c697febd67c56eec1c745c01bcfa6990d0f02105baaf21f08084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d56eaea6f3c8c697febd67c56eec1c745c01bcfa6990d0f02105baaf21f08084", kill_on_drop: false }`
[INFO] [stdout] d56eaea6f3c8c697febd67c56eec1c745c01bcfa6990d0f02105baaf21f08084