[INFO] fetching crate mammut 0.13.0...
[INFO] checking mammut-0.13.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate mammut 0.13.0 into /workspace/builds/worker-47/source
[INFO] validating manifest of crates.io crate mammut 0.13.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mammut 0.13.0
[INFO] finished tweaking crates.io crate mammut 0.13.0
[INFO] tweaked toml for crates.io crate mammut 0.13.0 written to /workspace/builds/worker-47/source/Cargo.toml
[INFO] crate crates.io crate mammut 0.13.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--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-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a46a7227c9da7375913a5bdbfc43b0a5b378a680c0c5056ba32e488b26922d8b
[INFO] running `Command { std: "docker" "start" "-a" "a46a7227c9da7375913a5bdbfc43b0a5b378a680c0c5056ba32e488b26922d8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a46a7227c9da7375913a5bdbfc43b0a5b378a680c0c5056ba32e488b26922d8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a46a7227c9da7375913a5bdbfc43b0a5b378a680c0c5056ba32e488b26922d8b", kill_on_drop: false }`
[INFO] [stdout] a46a7227c9da7375913a5bdbfc43b0a5b378a680c0c5056ba32e488b26922d8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad964251548e1e2260cb84ab4b399f48cb92013580f28ce2130e9ced7d480ac7
[INFO] running `Command { std: "docker" "start" "-a" "ad964251548e1e2260cb84ab4b399f48cb92013580f28ce2130e9ced7d480ac7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.62
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[INFO] [stderr]     Checking mammut v0.13.0 (/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:298:38
[INFO] [stdout]     |
[INFO] [stdout] 298 |             Error::Serde(ref e) => e.description(),
[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/lib.rs:299:37
[INFO] [stdout]     |
[INFO] [stdout] 299 |             Error::Http(ref e) => e.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/lib.rs:300:35
[INFO] [stdout]     |
[INFO] [stdout] 300 |             Error::Io(ref e) => e.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/lib.rs:301:36
[INFO] [stdout]     |
[INFO] [stdout] 301 |             Error::Url(ref e) => e.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/lib.rs:305:39
[INFO] [stdout]     |
[INFO] [stdout] 305 |             Error::Hyperx(ref e) => e.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/lib.rs:306:39
[INFO] [stdout]     |
[INFO] [stdout] 306 |             Error::Header(ref e) => e.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/lib.rs:298:38
[INFO] [stdout]     |
[INFO] [stdout] 298 |             Error::Serde(ref e) => e.description(),
[INFO] [stdout]     |                                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:32:24
[INFO] [stdout]     |
[INFO] [stdout] 32  | #![cfg_attr(test, deny(warnings))]
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[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:299:37
[INFO] [stdout]     |
[INFO] [stdout] 299 |             Error::Http(ref e) => e.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/lib.rs:300:35
[INFO] [stdout]     |
[INFO] [stdout] 300 |             Error::Io(ref e) => e.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/lib.rs:301:36
[INFO] [stdout]     |
[INFO] [stdout] 301 |             Error::Url(ref e) => e.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/lib.rs:305:39
[INFO] [stdout]     |
[INFO] [stdout] 305 |             Error::Hyperx(ref e) => e.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/lib.rs:306:39
[INFO] [stdout]     |
[INFO] [stdout] 306 |             Error::Header(ref e) => e.description(),
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `error`
[INFO] [stdout]  --> examples/follow_profile.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn main() -> Result<(), Box<dyn error::Error>> {
[INFO] [stdout]   |                                 ^^^^^ use of undeclared crate or module `error`
[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 E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mammut` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `error`
[INFO] [stdout]  --> examples/print_your_profile.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn main() -> Result<(), Box<dyn error::Error>> {
[INFO] [stdout]   |                                 ^^^^^ use of undeclared crate or module `error`
[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 E0433`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `error`
[INFO] [stdout]  --> examples/search.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn main() -> Result<(), Box<dyn error::Error>> {
[INFO] [stdout]   |                                 ^^^^^ use of undeclared crate or module `error`
[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 E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ad964251548e1e2260cb84ab4b399f48cb92013580f28ce2130e9ced7d480ac7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad964251548e1e2260cb84ab4b399f48cb92013580f28ce2130e9ced7d480ac7", kill_on_drop: false }`
[INFO] [stdout] ad964251548e1e2260cb84ab4b399f48cb92013580f28ce2130e9ced7d480ac7
