[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 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuoKevin%2Frust_i_o" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LuoKevin/rust_i_o on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-23/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" "+1.60.0" "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-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d2f60fed1e98ac177bf3f4bef1ea56b7fa3bfb4306645a37308ab3dc8b60f13
[INFO] running `Command { std: "docker" "start" "-a" "5d2f60fed1e98ac177bf3f4bef1ea56b7fa3bfb4306645a37308ab3dc8b60f13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d2f60fed1e98ac177bf3f4bef1ea56b7fa3bfb4306645a37308ab3dc8b60f13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d2f60fed1e98ac177bf3f4bef1ea56b7fa3bfb4306645a37308ab3dc8b60f13", kill_on_drop: false }`
[INFO] [stdout] 5d2f60fed1e98ac177bf3f4bef1ea56b7fa3bfb4306645a37308ab3dc8b60f13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b36d6e5227368e9a4240705726714acf85459731f6ea76ae5a027f30e2026021
[INFO] running `Command { std: "docker" "start" "-a" "b36d6e5227368e9a4240705726714acf85459731f6ea76ae5a027f30e2026021", kill_on_drop: false }`
[INFO] [stderr]    Compiling basic_i_o v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "b36d6e5227368e9a4240705726714acf85459731f6ea76ae5a027f30e2026021", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b36d6e5227368e9a4240705726714acf85459731f6ea76ae5a027f30e2026021", kill_on_drop: false }`
[INFO] [stdout] b36d6e5227368e9a4240705726714acf85459731f6ea76ae5a027f30e2026021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f7cb9e518b2f0c74e60beead937955d90731f2a9efcb65b453a17d5bc151a86
[INFO] running `Command { std: "docker" "start" "-a" "7f7cb9e518b2f0c74e60beead937955d90731f2a9efcb65b453a17d5bc151a86", 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 0.84s
[INFO] running `Command { std: "docker" "inspect" "7f7cb9e518b2f0c74e60beead937955d90731f2a9efcb65b453a17d5bc151a86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f7cb9e518b2f0c74e60beead937955d90731f2a9efcb65b453a17d5bc151a86", kill_on_drop: false }`
[INFO] [stdout] 7f7cb9e518b2f0c74e60beead937955d90731f2a9efcb65b453a17d5bc151a86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 734f54f2838ef5a02e7665e8c2aabe7f3d6ef9ced61b1200fcc6181e74e286f2
[INFO] running `Command { std: "docker" "start" "-a" "734f54f2838ef5a02e7665e8c2aabe7f3d6ef9ced61b1200fcc6181e74e286f2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/basic_i_o-c2b6c94e68ec0d03)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::case_insensitive ... ok
[INFO] [stdout] test tests::case_sensitive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/basic_i_o-11fa6950275551c9)
[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] [stderr]    Doc-tests basic_i_o
[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" "734f54f2838ef5a02e7665e8c2aabe7f3d6ef9ced61b1200fcc6181e74e286f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "734f54f2838ef5a02e7665e8c2aabe7f3d6ef9ced61b1200fcc6181e74e286f2", kill_on_drop: false }`
[INFO] [stdout] 734f54f2838ef5a02e7665e8c2aabe7f3d6ef9ced61b1200fcc6181e74e286f2