[INFO] fetching crate intercom-utils 0.2.0...
[INFO] checking intercom-utils-0.2.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate intercom-utils 0.2.0 into /workspace/builds/worker-111/source
[INFO] validating manifest of crates.io crate intercom-utils 0.2.0 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 intercom-utils 0.2.0
[INFO] finished tweaking crates.io crate intercom-utils 0.2.0
[INFO] tweaked toml for crates.io crate intercom-utils 0.2.0 written to /workspace/builds/worker-111/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded if_chain v0.1.3
[INFO] [stderr]   Downloaded intercom-common v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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] 993e00329b6de1fdca4284171f5da7563df8c6e4529f66865b9bf9d63fe9076b
[INFO] running `Command { std: "docker" "start" "-a" "993e00329b6de1fdca4284171f5da7563df8c6e4529f66865b9bf9d63fe9076b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "993e00329b6de1fdca4284171f5da7563df8c6e4529f66865b9bf9d63fe9076b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "993e00329b6de1fdca4284171f5da7563df8c6e4529f66865b9bf9d63fe9076b", kill_on_drop: false }`
[INFO] [stdout] 993e00329b6de1fdca4284171f5da7563df8c6e4529f66865b9bf9d63fe9076b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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] a6d8eaf326241b467687815e2eead2279c995be0092e29dcdd428f07f9073a37
[INFO] running `Command { std: "docker" "start" "-a" "a6d8eaf326241b467687815e2eead2279c995be0092e29dcdd428f07f9073a37", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]     Checking unicode-xid v0.0.4
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking quote v0.3.15
[INFO] [stderr]     Checking sha1 v0.3.0
[INFO] [stderr]     Checking if_chain v0.1.3
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking synom v0.11.3
[INFO] [stderr]     Checking syn v0.11.11
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking intercom-common v0.2.0
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking intercom-utils v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_trait)]
[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/main.rs:49:35
[INFO] [stdout]    |
[INFO] [stdout] 49 |         AppError( String::from( 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/main.rs:55:35
[INFO] [stdout]    |
[INFO] [stdout] 55 |         AppError( String::from( 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/main.rs:61:35
[INFO] [stdout]    |
[INFO] [stdout] 61 |         AppError( String::from( 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/main.rs:49:35
[INFO] [stdout]    |
[INFO] [stdout] 49 |         AppError( String::from( 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/main.rs:55:35
[INFO] [stdout]    |
[INFO] [stdout] 55 |         AppError( String::from( 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/main.rs:61:35
[INFO] [stdout]    |
[INFO] [stdout] 61 |         AppError( String::from( e.description() ) )
[INFO] [stdout]    |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `intercom-utils` due to 2 previous errors; 3 warnings emitted
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a6d8eaf326241b467687815e2eead2279c995be0092e29dcdd428f07f9073a37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6d8eaf326241b467687815e2eead2279c995be0092e29dcdd428f07f9073a37", kill_on_drop: false }`
[INFO] [stdout] a6d8eaf326241b467687815e2eead2279c995be0092e29dcdd428f07f9073a37
