[INFO] cloning repository https://github.com/shaunrd0/kot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shaunrd0/kot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshaunrd0%2Fkot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshaunrd0%2Fkot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 94473ca8da9d6e1fa4ff3acd506fe86531a4ed20
[INFO] testing shaunrd0/kot against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshaunrd0%2Fkot" "/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/shaunrd0/kot 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/shaunrd0/kot
[INFO] finished tweaking git repo https://github.com/shaunrd0/kot
[INFO] tweaked toml for git repo https://github.com/shaunrd0/kot written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/shaunrd0/kot 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] 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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d83517b2283c58e0f93594cf8cc4cbd177b558135a3b572098aca18faa988613
[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" "d83517b2283c58e0f93594cf8cc4cbd177b558135a3b572098aca18faa988613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d83517b2283c58e0f93594cf8cc4cbd177b558135a3b572098aca18faa988613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d83517b2283c58e0f93594cf8cc4cbd177b558135a3b572098aca18faa988613", kill_on_drop: false }`
[INFO] [stdout] d83517b2283c58e0f93594cf8cc4cbd177b558135a3b572098aca18faa988613
[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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65131df1f66eda3c512f398507733d65b1ebf157809613cb3bd4e0c4ac709dd8
[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" "65131df1f66eda3c512f398507733d65b1ebf157809613cb3bd4e0c4ac709dd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]    Compiling structopt v0.3.23
[INFO] [stderr]    Compiling kot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/kot.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 | /                 match target_path.is_dir() {
[INFO] [stdout] 32 | |                     true => fs_extra::dir::remove(target_path),
[INFO] [stdout] 33 | |                     false => fs_extra::file::remove(target_path),
[INFO] [stdout] 34 | |                 };
[INFO] [stdout]    | |__________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/kot/fs.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     match config_path.is_dir() {
[INFO] [stdout] 26 | |         true => {
[INFO] [stdout] 27 | |             let mut options = dir::CopyOptions::new();
[INFO] [stdout] 28 | |             options.copy_inside = true;
[INFO] [stdout] ...  |
[INFO] [stdout] 34 | |         },
[INFO] [stdout] 35 | |     };
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.03s
[INFO] running `Command { std: "docker" "inspect" "65131df1f66eda3c512f398507733d65b1ebf157809613cb3bd4e0c4ac709dd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65131df1f66eda3c512f398507733d65b1ebf157809613cb3bd4e0c4ac709dd8", kill_on_drop: false }`
[INFO] [stdout] 65131df1f66eda3c512f398507733d65b1ebf157809613cb3bd4e0c4ac709dd8
[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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--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] bfc6deffdd2b3e3ecd49525e994202dba793133467574d9eacf81788559acc60
[INFO] running `Command { std: "docker" "start" "-a" "bfc6deffdd2b3e3ecd49525e994202dba793133467574d9eacf81788559acc60", kill_on_drop: false }`
[INFO] [stderr]    Compiling kot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/kot.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 | /                 match target_path.is_dir() {
[INFO] [stdout] 32 | |                     true => fs_extra::dir::remove(target_path),
[INFO] [stdout] 33 | |                     false => fs_extra::file::remove(target_path),
[INFO] [stdout] 34 | |                 };
[INFO] [stdout]    | |__________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/kot/fs.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     match config_path.is_dir() {
[INFO] [stdout] 26 | |         true => {
[INFO] [stdout] 27 | |             let mut options = dir::CopyOptions::new();
[INFO] [stdout] 28 | |             options.copy_inside = true;
[INFO] [stdout] ...  |
[INFO] [stdout] 34 | |         },
[INFO] [stdout] 35 | |     };
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bfc6deffdd2b3e3ecd49525e994202dba793133467574d9eacf81788559acc60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfc6deffdd2b3e3ecd49525e994202dba793133467574d9eacf81788559acc60", kill_on_drop: false }`
[INFO] [stdout] bfc6deffdd2b3e3ecd49525e994202dba793133467574d9eacf81788559acc60
[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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a13b05b8e2f2f9bef1d36d72ef1a36c7fc322cdc1cd987d3b34fe11c4c1e9119
[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" "a13b05b8e2f2f9bef1d36d72ef1a36c7fc322cdc1cd987d3b34fe11c4c1e9119", kill_on_drop: false }`
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/kot.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 | /                 match target_path.is_dir() {
[INFO] [stderr] 32 | |                     true => fs_extra::dir::remove(target_path),
[INFO] [stderr] 33 | |                     false => fs_extra::file::remove(target_path),
[INFO] [stderr] 34 | |                 };
[INFO] [stderr]    | |__________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/kot/fs.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     match config_path.is_dir() {
[INFO] [stderr] 26 | |         true => {
[INFO] [stderr] 27 | |             let mut options = dir::CopyOptions::new();
[INFO] [stderr] 28 | |             options.copy_inside = true;
[INFO] [stderr] ...  |
[INFO] [stderr] 34 | |         },
[INFO] [stderr] 35 | |     };
[INFO] [stderr]    | |______^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `kot` (bin "kot" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kot-a376625c526def8d)
[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" "a13b05b8e2f2f9bef1d36d72ef1a36c7fc322cdc1cd987d3b34fe11c4c1e9119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a13b05b8e2f2f9bef1d36d72ef1a36c7fc322cdc1cd987d3b34fe11c4c1e9119", kill_on_drop: false }`
[INFO] [stdout] a13b05b8e2f2f9bef1d36d72ef1a36c7fc322cdc1cd987d3b34fe11c4c1e9119