[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 try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflatcar-linux%2Fupdate-ssh-keys" "/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/flatcar-linux/update-ssh-keys on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-9/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" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded users v0.8.1
[INFO] [stderr]   Downloaded redox_syscall v0.1.53
[INFO] [stderr]   Downloaded openssh-keys v0.4.1
[INFO] [stderr]   Downloaded block-buffer v0.7.2
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a263b66b6bf1c5cdad6f41518d3ccba16c5bf2de1987d34370605a84b69df921
[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" "a263b66b6bf1c5cdad6f41518d3ccba16c5bf2de1987d34370605a84b69df921", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a263b66b6bf1c5cdad6f41518d3ccba16c5bf2de1987d34370605a84b69df921", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a263b66b6bf1c5cdad6f41518d3ccba16c5bf2de1987d34370605a84b69df921", kill_on_drop: false }`
[INFO] [stdout] a263b66b6bf1c5cdad6f41518d3ccba16c5bf2de1987d34370605a84b69df921
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79cd550c638a3b4af910aff24095a88ed935490219aa1476b248c8461a90432a
[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" "79cd550c638a3b4af910aff24095a88ed935490219aa1476b248c8461a90432a", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]     Checking opaque-debug v0.2.2
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]     Checking block-padding v0.1.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking base64 v0.10.1
[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 generic-array v0.12.0
[INFO] [stderr]     Checking block-buffer v0.7.2
[INFO] [stderr]     Checking digest v0.8.0
[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 update-ssh-keys v0.4.2-alpha.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `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 associated function `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 associated function `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 associated function `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] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/compat_python.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |           panic!(format!(
[INFO] [stdout]    |  ________________^
[INFO] [stdout] 15 | |             "\nstdout: {}\nstderr: {}",
[INFO] [stdout] 16 | |             String::from_utf8_lossy(&result.stdout),
[INFO] [stdout] 17 | |             String::from_utf8_lossy(&result.stderr)
[INFO] [stdout] 18 | |         ));
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 14 |         panic!(
[INFO] [stdout] 15 |             "\nstdout: {}\nstderr: {}",
[INFO] [stdout] 16 |             String::from_utf8_lossy(&result.stdout),
[INFO] [stdout] 17 |             String::from_utf8_lossy(&result.stderr)
[INFO] [stdout] 18 |         );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.09s
[INFO] running `Command { std: "docker" "inspect" "79cd550c638a3b4af910aff24095a88ed935490219aa1476b248c8461a90432a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79cd550c638a3b4af910aff24095a88ed935490219aa1476b248c8461a90432a", kill_on_drop: false }`
[INFO] [stdout] 79cd550c638a3b4af910aff24095a88ed935490219aa1476b248c8461a90432a