[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] checking williamsandrew/carnac against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwilliamsandrew%2Fcarnac" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/williamsandrew/carnac on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "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-2/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2ca075f5e6abae836070a7cf450e342ed1d14a139caa351e8880e5e92404312
[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" "e2ca075f5e6abae836070a7cf450e342ed1d14a139caa351e8880e5e92404312", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2ca075f5e6abae836070a7cf450e342ed1d14a139caa351e8880e5e92404312", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2ca075f5e6abae836070a7cf450e342ed1d14a139caa351e8880e5e92404312", kill_on_drop: false }`
[INFO] [stdout] e2ca075f5e6abae836070a7cf450e342ed1d14a139caa351e8880e5e92404312
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35d45ead6b486f5c0c83edc83a609cfabd37ef5a4cae74cbe706b42ee2b6c40b
[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" "35d45ead6b486f5c0c83edc83a609cfabd37ef5a4cae74cbe706b42ee2b6c40b", kill_on_drop: false }`
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking libc v0.2.17
[INFO] [stderr]    Compiling gcc v0.3.38
[INFO] [stderr]     Checking rustc-serialize v0.3.21
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking snap v0.1.2
[INFO] [stderr]     Checking rand v0.3.14
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking 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: 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: 3 warnings emitted
[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 8.64s
[INFO] running `Command { std: "docker" "inspect" "35d45ead6b486f5c0c83edc83a609cfabd37ef5a4cae74cbe706b42ee2b6c40b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35d45ead6b486f5c0c83edc83a609cfabd37ef5a4cae74cbe706b42ee2b6c40b", kill_on_drop: false }`
[INFO] [stdout] 35d45ead6b486f5c0c83edc83a609cfabd37ef5a4cae74cbe706b42ee2b6c40b