[INFO] cloning repository https://github.com/flatcar-linux/update-ssh-keys
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flatcar-linux/update-ssh-keys" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflatcar-linux%2Fupdate-ssh-keys", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflatcar-linux%2Fupdate-ssh-keys'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stderr] warning: refname 'HEAD' is ambiguous.
[INFO] [stdout] 34fe71f1f902ea78c2a4050ab7088a6a17309440
[INFO] checking flatcar-linux/update-ssh-keys against master#7b3a7819371cef92a187e9bac8f7810ccde15216 for pr-74846
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflatcar-linux%2Fupdate-ssh-keys" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/flatcar-linux/update-ssh-keys on toolchain 7b3a7819371cef92a187e9bac8f7810ccde15216
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/flatcar-linux/update-ssh-keys
[INFO] finished tweaking git repo https://github.com/flatcar-linux/update-ssh-keys
[INFO] tweaked toml for git repo https://github.com/flatcar-linux/update-ssh-keys written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/flatcar-linux/update-ssh-keys already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "metadata" "--no-deps" "--format-version=1", 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] 7545f84121d52afb27208b2b7c099ac160cc3ae31173c52c6ef01e3e5afd3bf9
[INFO] running `Command { std: "docker" "start" "-a" "7545f84121d52afb27208b2b7c099ac160cc3ae31173c52c6ef01e3e5afd3bf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7545f84121d52afb27208b2b7c099ac160cc3ae31173c52c6ef01e3e5afd3bf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7545f84121d52afb27208b2b7c099ac160cc3ae31173c52c6ef01e3e5afd3bf9", kill_on_drop: false }`
[INFO] [stdout] 7545f84121d52afb27208b2b7c099ac160cc3ae31173c52c6ef01e3e5afd3bf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "check" "--frozen" "--all" "--all-targets" "--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] cf5825965a41abe5ba23565b01edd336b3a271fcb266eb45f9de2b0a1d98e4b5
[INFO] running `Command { std: "docker" "start" "-a" "cf5825965a41abe5ba23565b01edd336b3a271fcb266eb45f9de2b0a1d98e4b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking block-buffer v0.7.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking md-5 v0.8.0
[INFO] [stderr]     Checking openssh-keys v0.4.1
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking users v0.8.1
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking update-ssh-keys v0.4.2-alpha.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | /     error_chain! {
[INFO] [stdout] 37 | |         links {
[INFO] [stdout] 38 | |             ParseError(::openssh_keys::errors::Error, ::openssh_keys::errors::ErrorKind);
[INFO] [stdout] 39 | |         }
[INFO] [stdout] ...  |
[INFO] [stdout] 56 | |         }
[INFO] [stdout] 57 | |     }
[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 item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | /     error_chain! {
[INFO] [stdout] 37 | |         links {
[INFO] [stdout] 38 | |             ParseError(::openssh_keys::errors::Error, ::openssh_keys::errors::ErrorKind);
[INFO] [stdout] 39 | |         }
[INFO] [stdout] ...  |
[INFO] [stdout] 56 | |         }
[INFO] [stdout] 57 | |     }
[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 item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | /     error_chain! {
[INFO] [stdout] 37 | |         links {
[INFO] [stdout] 38 | |             ParseError(::openssh_keys::errors::Error, ::openssh_keys::errors::ErrorKind);
[INFO] [stdout] 39 | |         }
[INFO] [stdout] ...  |
[INFO] [stdout] 56 | |         }
[INFO] [stdout] 57 | |     }
[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 item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | /     error_chain! {
[INFO] [stdout] 37 | |         links {
[INFO] [stdout] 38 | |             ParseError(::openssh_keys::errors::Error, ::openssh_keys::errors::ErrorKind);
[INFO] [stdout] 39 | |         }
[INFO] [stdout] ...  |
[INFO] [stdout] 56 | |         }
[INFO] [stdout] 57 | |     }
[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: 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 10.39s
[INFO] running `Command { std: "docker" "inspect" "cf5825965a41abe5ba23565b01edd336b3a271fcb266eb45f9de2b0a1d98e4b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf5825965a41abe5ba23565b01edd336b3a271fcb266eb45f9de2b0a1d98e4b5", kill_on_drop: false }`
[INFO] [stdout] cf5825965a41abe5ba23565b01edd336b3a271fcb266eb45f9de2b0a1d98e4b5