[INFO] cloning repository https://github.com/redbackup/prototype
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/redbackup/prototype" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredbackup%2Fprototype", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredbackup%2Fprototype'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d3ef1bcfc27c114f922ca15f051fbd9b5e52de08
[INFO] checking redbackup/prototype against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredbackup%2Fprototype" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/redbackup/prototype on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/redbackup/prototype
[INFO] finished tweaking git repo https://github.com/redbackup/prototype
[INFO] tweaked toml for git repo https://github.com/redbackup/prototype written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/redbackup/prototype already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f38b491f2a928dcc5591fc3ac7da7ab547f3a310a69d2b6cdafa50a0725279e5
[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" "f38b491f2a928dcc5591fc3ac7da7ab547f3a310a69d2b6cdafa50a0725279e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f38b491f2a928dcc5591fc3ac7da7ab547f3a310a69d2b6cdafa50a0725279e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f38b491f2a928dcc5591fc3ac7da7ab547f3a310a69d2b6cdafa50a0725279e5", kill_on_drop: false }`
[INFO] [stdout] f38b491f2a928dcc5591fc3ac7da7ab547f3a310a69d2b6cdafa50a0725279e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d738e3c658057fbcaed8a752c5a2af73fcde27c88033dd03075ddf96b4acb00b
[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" "d738e3c658057fbcaed8a752c5a2af73fcde27c88033dd03075ddf96b4acb00b", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.33
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]    Compiling serde v1.0.21
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking futures v0.1.17
[INFO] [stderr]    Compiling typenum v1.9.0
[INFO] [stderr]     Checking arrayref v0.3.4
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]     Checking slab v0.4.0
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]    Compiling regex-syntax v0.4.1
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]     Checking scheduled-thread-pool v0.1.0
[INFO] [stderr]     Checking iovec v0.1.1
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking rand v0.3.18
[INFO] [stderr]     Checking socket2 v0.2.4
[INFO] [stderr]     Checking num_cpus v1.7.0
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking rmp v0.8.7
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]     Checking r2d2 v0.7.4
[INFO] [stderr]    Compiling libsqlite3-sys v0.8.1
[INFO] [stderr]     Checking bytes v0.4.5
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking mio v0.6.11
[INFO] [stderr]     Checking dns-lookup v0.8.1
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking clap v2.27.1
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking futures-cpupool v0.1.7
[INFO] [stderr]     Checking tokio-timer v0.1.2
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]     Checking tokio-io v0.1.4
[INFO] [stderr]     Checking tokio-core v0.1.10
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking digest v0.7.2
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking sha2 v0.7.0
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking redbackup-storage v0.1.0 (/opt/rustwide/workdir/storage)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> storage/src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / quick_error! {
[INFO] [stdout] 15 | |     #[derive(Debug)]
[INFO] [stdout] 16 | |     pub enum StorageError {
[INFO] [stdout] 17 | |         IoError(err: std::io::Error) {
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     }
[INFO] [stdout] 38 | | }
[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]   --> storage/src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / quick_error! {
[INFO] [stdout] 15 | |     #[derive(Debug)]
[INFO] [stdout] 16 | |     pub enum StorageError {
[INFO] [stdout] 17 | |         IoError(err: std::io::Error) {
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     }
[INFO] [stdout] 38 | | }
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking serde_bytes v0.10.2
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]     Checking serde_json v1.0.6
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive_internals v0.17.0
[INFO] [stderr]     Checking diesel v0.16.0
[INFO] [stderr]    Compiling derive-error-chain v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.21
[INFO] [stderr]    Compiling dotenv v0.10.1
[INFO] [stderr]     Checking r2d2-diesel v0.16.0
[INFO] [stdout] error[E0659]: `error_chain` is ambiguous (derive helper attribute vs any other name)
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/dotenv-0.10.1/src/lib.rs:23:40
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[cfg_attr(not(feature = "backtrace"), error_chain(backtrace = "false"))]
[INFO] [stdout]    |                                        ^^^^^^^^^^^ ambiguous name
[INFO] [stdout]    |
[INFO] [stdout] note: `error_chain` could refer to the derive helper attribute defined here
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/dotenv-0.10.1/src/lib.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[derive(Debug, error_chain)]
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout] note: `error_chain` could also refer to the derive macro imported here
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/dotenv-0.10.1/src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0659`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dotenv`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d738e3c658057fbcaed8a752c5a2af73fcde27c88033dd03075ddf96b4acb00b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d738e3c658057fbcaed8a752c5a2af73fcde27c88033dd03075ddf96b4acb00b", kill_on_drop: false }`
[INFO] [stdout] d738e3c658057fbcaed8a752c5a2af73fcde27c88033dd03075ddf96b4acb00b