[INFO] cloning repository https://github.com/WanzenBug/xch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/WanzenBug/xch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWanzenBug%2Fxch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWanzenBug%2Fxch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fb125af09879941f68de5058bbc260f5a64f2951
[INFO] checking WanzenBug/xch against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWanzenBug%2Fxch" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/WanzenBug/xch on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/WanzenBug/xch
[INFO] finished tweaking git repo https://github.com/WanzenBug/xch
[INFO] tweaked toml for git repo https://github.com/WanzenBug/xch written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/WanzenBug/xch already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b803f2fda3a22cf6818d39a553bfdc062a3d1ba3f6f058b88860b9bf37e5dd0
[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" "6b803f2fda3a22cf6818d39a553bfdc062a3d1ba3f6f058b88860b9bf37e5dd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b803f2fda3a22cf6818d39a553bfdc062a3d1ba3f6f058b88860b9bf37e5dd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b803f2fda3a22cf6818d39a553bfdc062a3d1ba3f6f058b88860b9bf37e5dd0", kill_on_drop: false }`
[INFO] [stdout] 6b803f2fda3a22cf6818d39a553bfdc062a3d1ba3f6f058b88860b9bf37e5dd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 073263a2eeec767a9a0c5df976aa3c056ae29e4699f87ef38583cd7b773c21d8
[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" "073263a2eeec767a9a0c5df976aa3c056ae29e4699f87ef38583cd7b773c21d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]    Compiling xch v1.1.1-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking errno v0.2.4
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking uuid v0.8.0
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:36:38
[INFO] [stdout]    |
[INFO] [stdout] 36 |             write!(f, "{}: {}", self.description(), cause)
[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/error.rs:38:34
[INFO] [stdout]    |
[INFO] [stdout] 38 |             write!(f, "{}", self.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/error.rs:36:38
[INFO] [stdout]    |
[INFO] [stdout] 36 |             write!(f, "{}: {}", self.description(), cause)
[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/error.rs:38:34
[INFO] [stdout]    |
[INFO] [stdout] 38 |             write!(f, "{}", self.description())
[INFO] [stdout]    |                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.15s
[INFO] running `Command { std: "docker" "inspect" "073263a2eeec767a9a0c5df976aa3c056ae29e4699f87ef38583cd7b773c21d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "073263a2eeec767a9a0c5df976aa3c056ae29e4699f87ef38583cd7b773c21d8", kill_on_drop: false }`
[INFO] [stdout] 073263a2eeec767a9a0c5df976aa3c056ae29e4699f87ef38583cd7b773c21d8