[INFO] cloning repository https://github.com/yuoo655/rcore-lkm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yuoo655/rcore-lkm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuoo655%2Frcore-lkm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuoo655%2Frcore-lkm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5fe64f9cc37e502c99958040eaa3a402367e0cd
[INFO] testing yuoo655/rcore-lkm against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuoo655%2Frcore-lkm" "/workspace/builds/worker-81/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-81/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yuoo655/rcore-lkm on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yuoo655/rcore-lkm
[INFO] finished tweaking git repo https://github.com/yuoo655/rcore-lkm
[INFO] tweaked toml for git repo https://github.com/yuoo655/rcore-lkm written to /workspace/builds/worker-81/source/Cargo.toml
[INFO] crate git repo https://github.com/yuoo655/rcore-lkm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zero v0.1.2
[INFO] [stderr]   Downloaded xmas-elf v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f68e09ef65a94d16054a191117030d6a03c1670636e9aa7b32bee1fb1ce00f8b
[INFO] running `Command { std: "docker" "start" "-a" "f68e09ef65a94d16054a191117030d6a03c1670636e9aa7b32bee1fb1ce00f8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f68e09ef65a94d16054a191117030d6a03c1670636e9aa7b32bee1fb1ce00f8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f68e09ef65a94d16054a191117030d6a03c1670636e9aa7b32bee1fb1ce00f8b", kill_on_drop: false }`
[INFO] [stdout] f68e09ef65a94d16054a191117030d6a03c1670636e9aa7b32bee1fb1ce00f8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d9c91a920a985ad70daa5ab41d0b0c5888899c335f30bef46658ffa587e06c0
[INFO] running `Command { std: "docker" "start" "-a" "8d9c91a920a985ad70daa5ab41d0b0c5888899c335f30bef46658ffa587e06c0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling zero v0.1.2
[INFO] [stderr]    Compiling xmas-elf v0.7.0
[INFO] [stderr]    Compiling rcore-lkm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]   --> src/manager.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |         arg: usize,
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.97s
[INFO] running `Command { std: "docker" "inspect" "8d9c91a920a985ad70daa5ab41d0b0c5888899c335f30bef46658ffa587e06c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d9c91a920a985ad70daa5ab41d0b0c5888899c335f30bef46658ffa587e06c0", kill_on_drop: false }`
[INFO] [stdout] 8d9c91a920a985ad70daa5ab41d0b0c5888899c335f30bef46658ffa587e06c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] adf5a5e6ef841c221a18964c65d39f8a231d75642783c894e3a95400c1031647
[INFO] running `Command { std: "docker" "start" "-a" "adf5a5e6ef841c221a18964c65d39f8a231d75642783c894e3a95400c1031647", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcore-lkm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]   --> src/manager.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |         arg: usize,
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]   --> src/manager.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |         arg: usize,
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "adf5a5e6ef841c221a18964c65d39f8a231d75642783c894e3a95400c1031647", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adf5a5e6ef841c221a18964c65d39f8a231d75642783c894e3a95400c1031647", kill_on_drop: false }`
[INFO] [stdout] adf5a5e6ef841c221a18964c65d39f8a231d75642783c894e3a95400c1031647
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2fd1b95299f7247a609db51d60bece71d5aa4218c400a2c50dcf7ab446ef9a17
[INFO] running `Command { std: "docker" "start" "-a" "2fd1b95299f7247a609db51d60bece71d5aa4218c400a2c50dcf7ab446ef9a17", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]   --> src/manager.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |         arg: usize,
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rcore-lkm` (lib) generated 1 warning
[INFO] [stderr] warning: `rcore-lkm` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rcore_lkm-7464352bdb8665fc)
[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 rcore-lkm
[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" "2fd1b95299f7247a609db51d60bece71d5aa4218c400a2c50dcf7ab446ef9a17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fd1b95299f7247a609db51d60bece71d5aa4218c400a2c50dcf7ab446ef9a17", kill_on_drop: false }`
[INFO] [stdout] 2fd1b95299f7247a609db51d60bece71d5aa4218c400a2c50dcf7ab446ef9a17