[INFO] cloning repository https://github.com/endeav0r/skua
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/endeav0r/skua" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fendeav0r%2Fskua", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fendeav0r%2Fskua'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6e5ea91902b02acc9939085f7fbc80bc9b9480ee
[INFO] checking endeav0r/skua against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fendeav0r%2Fskua" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/endeav0r/skua on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/endeav0r/skua
[INFO] finished tweaking git repo https://github.com/endeav0r/skua
[INFO] tweaked toml for git repo https://github.com/endeav0r/skua written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/endeav0r/skua already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e753220808952b5f8491f82b790b3e099873a6645d97714b241a7b0f9e011e59
[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" "e753220808952b5f8491f82b790b3e099873a6645d97714b241a7b0f9e011e59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e753220808952b5f8491f82b790b3e099873a6645d97714b241a7b0f9e011e59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e753220808952b5f8491f82b790b3e099873a6645d97714b241a7b0f9e011e59", kill_on_drop: false }`
[INFO] [stdout] e753220808952b5f8491f82b790b3e099873a6645d97714b241a7b0f9e011e59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06267635266b4e44b033e03d3ad4c319cbd5096750992cd7047009a848fe38f2
[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" "06267635266b4e44b033e03d3ad4c319cbd5096750992cd7047009a848fe38f2", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]     Checking log v0.4.5
[INFO] [stderr]    Compiling syn v0.15.6
[INFO] [stderr]    Compiling scroll v0.9.2
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]    Compiling scroll_derive v0.9.5
[INFO] [stderr]     Checking goblin v0.0.17
[INFO] [stderr]     Checking skua v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> lib/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     error_chain! {
[INFO] [stdout] 13 | |         types {
[INFO] [stdout] 14 | |             Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 15 | |         }
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | |         }
[INFO] [stdout] 28 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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]   --> lib/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     error_chain! {
[INFO] [stdout] 13 | |         types {
[INFO] [stdout] 14 | |             Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 15 | |         }
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | |         }
[INFO] [stdout] 28 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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]   --> lib/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     error_chain! {
[INFO] [stdout] 13 | |         types {
[INFO] [stdout] 14 | |             Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 15 | |         }
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | |         }
[INFO] [stdout] 28 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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]   --> lib/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     error_chain! {
[INFO] [stdout] 13 | |         types {
[INFO] [stdout] 14 | |             Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 15 | |         }
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | |         }
[INFO] [stdout] 28 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> lib/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     error_chain! {
[INFO] [stdout] 13 | |         types {
[INFO] [stdout] 14 | |             Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 15 | |         }
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | |         }
[INFO] [stdout] 28 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> lib/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     error_chain! {
[INFO] [stdout] 13 | |         types {
[INFO] [stdout] 14 | |             Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 15 | |         }
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | |         }
[INFO] [stdout] 28 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[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:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | /     error_chain! {
[INFO] [stdout] 8  | |         types {
[INFO] [stdout] 9  | |             Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 10 | |         }
[INFO] [stdout] ...  |
[INFO] [stdout] 24 | |         }
[INFO] [stdout] 25 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | /     error_chain! {
[INFO] [stdout] 8  | |         types {
[INFO] [stdout] 9  | |             Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 10 | |         }
[INFO] [stdout] ...  |
[INFO] [stdout] 24 | |         }
[INFO] [stdout] 25 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | /     error_chain! {
[INFO] [stdout] 8  | |         types {
[INFO] [stdout] 9  | |             Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 10 | |         }
[INFO] [stdout] ...  |
[INFO] [stdout] 24 | |         }
[INFO] [stdout] 25 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | /     error_chain! {
[INFO] [stdout] 8  | |         types {
[INFO] [stdout] 9  | |             Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 10 | |         }
[INFO] [stdout] ...  |
[INFO] [stdout] 24 | |         }
[INFO] [stdout] 25 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/main.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | /     error_chain! {
[INFO] [stdout] 8  | |         types {
[INFO] [stdout] 9  | |             Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 10 | |         }
[INFO] [stdout] ...  |
[INFO] [stdout] 24 | |         }
[INFO] [stdout] 25 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/main.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | /     error_chain! {
[INFO] [stdout] 8  | |         types {
[INFO] [stdout] 9  | |             Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 10 | |         }
[INFO] [stdout] ...  |
[INFO] [stdout] 24 | |         }
[INFO] [stdout] 25 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.37s
[INFO] running `Command { std: "docker" "inspect" "06267635266b4e44b033e03d3ad4c319cbd5096750992cd7047009a848fe38f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06267635266b4e44b033e03d3ad4c319cbd5096750992cd7047009a848fe38f2", kill_on_drop: false }`
[INFO] [stdout] 06267635266b4e44b033e03d3ad4c319cbd5096750992cd7047009a848fe38f2