[INFO] cloning repository https://github.com/simbo1905/extension_methods
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/simbo1905/extension_methods" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimbo1905%2Fextension_methods", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimbo1905%2Fextension_methods'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 296854516f81850d2dd31dfec6ea8f4ac3d45957
[INFO] testing simbo1905/extension_methods against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimbo1905%2Fextension_methods" "/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/simbo1905/extension_methods on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/simbo1905/extension_methods
[INFO] finished tweaking git repo https://github.com/simbo1905/extension_methods
[INFO] tweaked toml for git repo https://github.com/simbo1905/extension_methods written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/simbo1905/extension_methods already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive_internals v0.15.1
[INFO] [stderr]   Downloaded serde_derive v1.0.10
[INFO] [stderr]   Downloaded serde v1.0.10
[INFO] [stderr]   Downloaded serde_json v1.0.2
[INFO] [stderr]   Downloaded num-traits v0.1.39
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5217239af40cf26700ebfd2ea8f89293ad2137b74713bf36868c5c2a8f6855b9
[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" "5217239af40cf26700ebfd2ea8f89293ad2137b74713bf36868c5c2a8f6855b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5217239af40cf26700ebfd2ea8f89293ad2137b74713bf36868c5c2a8f6855b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5217239af40cf26700ebfd2ea8f89293ad2137b74713bf36868c5c2a8f6855b9", kill_on_drop: false }`
[INFO] [stdout] 5217239af40cf26700ebfd2ea8f89293ad2137b74713bf36868c5c2a8f6855b9
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 799b7377d5ff31b1c607505b54694638b706a672050bec1e92a6b9dba98267e8
[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" "799b7377d5ff31b1c607505b54694638b706a672050bec1e92a6b9dba98267e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.1.39
[INFO] [stderr]    Compiling serde v1.0.10
[INFO] [stderr]    Compiling some_library v0.1.0 (/opt/rustwide/workdir/some_library)
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]    Compiling serde_derive v1.0.10
[INFO] [stderr]    Compiling serde_json v1.0.2
[INFO] [stderr]    Compiling some_extension v0.1.0 (/opt/rustwide/workdir/some_extension)
[INFO] [stderr]    Compiling extension_methods v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.62s
[INFO] running `Command { std: "docker" "inspect" "799b7377d5ff31b1c607505b54694638b706a672050bec1e92a6b9dba98267e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "799b7377d5ff31b1c607505b54694638b706a672050bec1e92a6b9dba98267e8", kill_on_drop: false }`
[INFO] [stdout] 799b7377d5ff31b1c607505b54694638b706a672050bec1e92a6b9dba98267e8
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f59ab8e13bafea998abe864ce5ed84116a762182cc10f50ab5700afb64e2561
[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" "9f59ab8e13bafea998abe864ce5ed84116a762182cc10f50ab5700afb64e2561", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling extension_methods v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `Command { std: "docker" "inspect" "9f59ab8e13bafea998abe864ce5ed84116a762182cc10f50ab5700afb64e2561", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f59ab8e13bafea998abe864ce5ed84116a762182cc10f50ab5700afb64e2561", kill_on_drop: false }`
[INFO] [stdout] 9f59ab8e13bafea998abe864ce5ed84116a762182cc10f50ab5700afb64e2561
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d7b8b49728a12d175d9d1b700211bd1a78d996309c1e1de1d0791cac8adc9bb4
[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" "d7b8b49728a12d175d9d1b700211bd1a78d996309c1e1de1d0791cac8adc9bb4", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/extension_methods-177fd4842cf8d6de)
[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" "d7b8b49728a12d175d9d1b700211bd1a78d996309c1e1de1d0791cac8adc9bb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7b8b49728a12d175d9d1b700211bd1a78d996309c1e1de1d0791cac8adc9bb4", kill_on_drop: false }`
[INFO] [stdout] d7b8b49728a12d175d9d1b700211bd1a78d996309c1e1de1d0791cac8adc9bb4