[INFO] cloning repository https://github.com/yuma140902/pear-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yuma140902/pear-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuma140902%2Fpear-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuma140902%2Fpear-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 190b9a96ed0afe24f06aa6618d26ec9901604835
[INFO] testing yuma140902/pear-rs against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuma140902%2Fpear-rs" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yuma140902/pear-rs on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yuma140902/pear-rs
[INFO] finished tweaking git repo https://github.com/yuma140902/pear-rs
[INFO] tweaked toml for git repo https://github.com/yuma140902/pear-rs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/yuma140902/pear-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf6e4cc0a4e4af28e51c2b9a71d0e122731b05838383535d0990eaa480642598
[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" "bf6e4cc0a4e4af28e51c2b9a71d0e122731b05838383535d0990eaa480642598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf6e4cc0a4e4af28e51c2b9a71d0e122731b05838383535d0990eaa480642598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf6e4cc0a4e4af28e51c2b9a71d0e122731b05838383535d0990eaa480642598", kill_on_drop: false }`
[INFO] [stdout] bf6e4cc0a4e4af28e51c2b9a71d0e122731b05838383535d0990eaa480642598
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+62efba8a050c64249dab942951bb28f710208bc8" "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] cb60ae8720eada1203413d4b24e30d643c53f3f087e948c1ed33a952f686a359
[INFO] running `Command { std: "docker" "start" "-a" "cb60ae8720eada1203413d4b24e30d643c53f3f087e948c1ed33a952f686a359", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling pear v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `package`
[INFO] [stdout]   --> src/lib.rs:55:16
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn install(package: &str) -> ExitCode {
[INFO] [stdout]    |                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_package`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `package`
[INFO] [stdout]   --> src/lib.rs:59:18
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn uninstall(package: &str) -> ExitCode {
[INFO] [stdout]    |                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_package`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `package`
[INFO] [stdout]   --> src/lib.rs:63:15
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn create(package: Option<&str>) -> ExitCode {
[INFO] [stdout]    |               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_package`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.49s
[INFO] running `Command { std: "docker" "inspect" "cb60ae8720eada1203413d4b24e30d643c53f3f087e948c1ed33a952f686a359", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb60ae8720eada1203413d4b24e30d643c53f3f087e948c1ed33a952f686a359", kill_on_drop: false }`
[INFO] [stdout] cb60ae8720eada1203413d4b24e30d643c53f3f087e948c1ed33a952f686a359
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 260ef0f2738ec6616099485ef0892e3cd82b4163d26093caada3c4f2d30c730e
[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" "260ef0f2738ec6616099485ef0892e3cd82b4163d26093caada3c4f2d30c730e", kill_on_drop: false }`
[INFO] [stderr]    Compiling pear v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `package`
[INFO] [stdout]   --> src/lib.rs:55:16
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn install(package: &str) -> ExitCode {
[INFO] [stdout]    |                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_package`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `package`
[INFO] [stdout]   --> src/lib.rs:59:18
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn uninstall(package: &str) -> ExitCode {
[INFO] [stdout]    |                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_package`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `package`
[INFO] [stdout]   --> src/lib.rs:63:15
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn create(package: Option<&str>) -> ExitCode {
[INFO] [stdout]    |               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_package`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `package`
[INFO] [stdout]   --> src/lib.rs:55:16
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn install(package: &str) -> ExitCode {
[INFO] [stdout]    |                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_package`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `package`
[INFO] [stdout]   --> src/lib.rs:59:18
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn uninstall(package: &str) -> ExitCode {
[INFO] [stdout]    |                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_package`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `package`
[INFO] [stdout]   --> src/lib.rs:63:15
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn create(package: Option<&str>) -> ExitCode {
[INFO] [stdout]    |               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_package`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "260ef0f2738ec6616099485ef0892e3cd82b4163d26093caada3c4f2d30c730e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "260ef0f2738ec6616099485ef0892e3cd82b4163d26093caada3c4f2d30c730e", kill_on_drop: false }`
[INFO] [stdout] 260ef0f2738ec6616099485ef0892e3cd82b4163d26093caada3c4f2d30c730e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8430048a72e19e717e8a2126e9548325944fe145ce6313eba3787a4a08f41ec7
[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" "8430048a72e19e717e8a2126e9548325944fe145ce6313eba3787a4a08f41ec7", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `package`
[INFO] [stderr]   --> src/lib.rs:55:16
[INFO] [stderr]    |
[INFO] [stderr] 55 | pub fn install(package: &str) -> ExitCode {
[INFO] [stderr]    |                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_package`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `package`
[INFO] [stderr]   --> src/lib.rs:59:18
[INFO] [stderr]    |
[INFO] [stderr] 59 | pub fn uninstall(package: &str) -> ExitCode {
[INFO] [stderr]    |                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_package`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `package`
[INFO] [stderr]   --> src/lib.rs:63:15
[INFO] [stderr]    |
[INFO] [stderr] 63 | pub fn create(package: Option<&str>) -> ExitCode {
[INFO] [stderr]    |               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_package`
[INFO] [stderr] 
[INFO] [stderr] warning: `pear` (lib) generated 3 warnings
[INFO] [stderr] warning: `pear` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pear-f6219d9f2dea4fb9)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pear-205f2c5c4ffd597b)
[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] [stderr]    Doc-tests pear
[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" "8430048a72e19e717e8a2126e9548325944fe145ce6313eba3787a4a08f41ec7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8430048a72e19e717e8a2126e9548325944fe145ce6313eba3787a4a08f41ec7", kill_on_drop: false }`
[INFO] [stdout] 8430048a72e19e717e8a2126e9548325944fe145ce6313eba3787a4a08f41ec7