[INFO] cloning repository https://github.com/pkgw/elfx86exts
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pkgw/elfx86exts" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpkgw%2Felfx86exts", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpkgw%2Felfx86exts'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3a363558091bae28aadcdf1f11f0f4591d96e307
[INFO] checking pkgw/elfx86exts against try#ffa4a0215752773248fb0f0a8092f1c3e7907e9e for pr-75585
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpkgw%2Felfx86exts" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pkgw/elfx86exts on toolchain ffa4a0215752773248fb0f0a8092f1c3e7907e9e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pkgw/elfx86exts
[INFO] finished tweaking git repo https://github.com/pkgw/elfx86exts
[INFO] tweaked toml for git repo https://github.com/pkgw/elfx86exts written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/pkgw/elfx86exts already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "metadata" "--no-deps" "--format-version=1", 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] 39abebe3d1fa596012e7e0406cfec79260abceed107c2e41c05b3e5c95b6f306
[INFO] running `Command { std: "docker" "start" "-a" "39abebe3d1fa596012e7e0406cfec79260abceed107c2e41c05b3e5c95b6f306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39abebe3d1fa596012e7e0406cfec79260abceed107c2e41c05b3e5c95b6f306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39abebe3d1fa596012e7e0406cfec79260abceed107c2e41c05b3e5c95b6f306", kill_on_drop: false }`
[INFO] [stdout] 39abebe3d1fa596012e7e0406cfec79260abceed107c2e41c05b3e5c95b6f306
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33d11e9029c897c76b24c200f9c21e21c6547431146a8559d26f867f385e3d49
[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" "33d11e9029c897c76b24c200f9c21e21c6547431146a8559d26f867f385e3d49", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling escargot v0.5.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking wasmparser v0.57.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling capstone-sys v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking predicates v1.0.4
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking assert_cmd v1.0.1
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking object v0.21.1
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking capstone v0.7.0
[INFO] [stderr]     Checking elfx86exts v0.0.0-dev.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "33d11e9029c897c76b24c200f9c21e21c6547431146a8559d26f867f385e3d49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33d11e9029c897c76b24c200f9c21e21c6547431146a8559d26f867f385e3d49", kill_on_drop: false }`
[INFO] [stdout] 33d11e9029c897c76b24c200f9c21e21c6547431146a8559d26f867f385e3d49