[INFO] cloning repository https://github.com/williamsandrew/carnac
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/williamsandrew/carnac" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwilliamsandrew%2Fcarnac", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwilliamsandrew%2Fcarnac'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8b49f0c35fa0601d47938d9b483c58e3bb7f1f07
[INFO] testing williamsandrew/carnac against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwilliamsandrew%2Fcarnac" "/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/williamsandrew/carnac on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/williamsandrew/carnac
[INFO] finished tweaking git repo https://github.com/williamsandrew/carnac
[INFO] tweaked toml for git repo https://github.com/williamsandrew/carnac written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/williamsandrew/carnac already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded snap v0.1.2
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2f8978aeb2baee49617727e2226bd4b8292a134113f01b4a02594d7268bab03
[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" "d2f8978aeb2baee49617727e2226bd4b8292a134113f01b4a02594d7268bab03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2f8978aeb2baee49617727e2226bd4b8292a134113f01b4a02594d7268bab03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2f8978aeb2baee49617727e2226bd4b8292a134113f01b4a02594d7268bab03", kill_on_drop: false }`
[INFO] [stdout] d2f8978aeb2baee49617727e2226bd4b8292a134113f01b4a02594d7268bab03
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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] e2560690606142e7f0b851a1be6fc0804ee0981fe3382f377dcb88ea1da67e3a
[INFO] running `Command { std: "docker" "start" "-a" "e2560690606142e7f0b851a1be6fc0804ee0981fe3382f377dcb88ea1da67e3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling gcc v0.3.38
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling lazy_static v0.2.2
[INFO] [stderr]    Compiling rustc-serialize v0.3.21
[INFO] [stderr]    Compiling snap v0.1.2
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling time v0.1.35
[INFO] [stderr]    Compiling carnac v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]   --> src/main.rs:20:25
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut buf = match env::home_dir() {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:112:45
[INFO] [stdout]     |
[INFO] [stdout] 112 |         Err(why) => { panic!("err: {}", why.description()) },
[INFO] [stdout]     |                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:140:48
[INFO] [stdout]     |
[INFO] [stdout] 140 |         Err(why) => panic!("copy err: {}", why.description()),
[INFO] [stdout]     |                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.76s
[INFO] running `Command { std: "docker" "inspect" "e2560690606142e7f0b851a1be6fc0804ee0981fe3382f377dcb88ea1da67e3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2560690606142e7f0b851a1be6fc0804ee0981fe3382f377dcb88ea1da67e3a", kill_on_drop: false }`
[INFO] [stdout] e2560690606142e7f0b851a1be6fc0804ee0981fe3382f377dcb88ea1da67e3a
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7987468ab789a02c1deddf2fcef096047ab7ed711885bb3ea9b2706c3a50074a
[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" "7987468ab789a02c1deddf2fcef096047ab7ed711885bb3ea9b2706c3a50074a", kill_on_drop: false }`
[INFO] [stderr]    Compiling carnac v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]   --> src/main.rs:20:25
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut buf = match env::home_dir() {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:112:45
[INFO] [stdout]     |
[INFO] [stdout] 112 |         Err(why) => { panic!("err: {}", why.description()) },
[INFO] [stdout]     |                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:140:48
[INFO] [stdout]     |
[INFO] [stdout] 140 |         Err(why) => panic!("copy err: {}", why.description()),
[INFO] [stdout]     |                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "7987468ab789a02c1deddf2fcef096047ab7ed711885bb3ea9b2706c3a50074a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7987468ab789a02c1deddf2fcef096047ab7ed711885bb3ea9b2706c3a50074a", kill_on_drop: false }`
[INFO] [stdout] 7987468ab789a02c1deddf2fcef096047ab7ed711885bb3ea9b2706c3a50074a
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", 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] 9e4e1ebf465f76b4181670d19fb575f96cf116afa07d24246e83abec06785d2e
[INFO] running `Command { std: "docker" "start" "-a" "9e4e1ebf465f76b4181670d19fb575f96cf116afa07d24246e83abec06785d2e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:20:25
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 20 |     let mut buf = match env::home_dir() {
[INFO] [stdout] 
[INFO] [stderr]    |                         ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/main.rs:112:45
[INFO] [stderr]     |
[INFO] [stderr] 112 |         Err(why) => { panic!("err: {}", why.description()) },
[INFO] [stderr]     |                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/main.rs:140:48
[INFO] [stderr]     |
[INFO] [stderr] 140 |         Err(why) => panic!("copy err: {}", why.description()),
[INFO] [stderr]     |                                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/carnac-e5d58aa9d2638e32)
[INFO] running `Command { std: "docker" "inspect" "9e4e1ebf465f76b4181670d19fb575f96cf116afa07d24246e83abec06785d2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e4e1ebf465f76b4181670d19fb575f96cf116afa07d24246e83abec06785d2e", kill_on_drop: false }`
[INFO] [stdout] 9e4e1ebf465f76b4181670d19fb575f96cf116afa07d24246e83abec06785d2e