[INFO] updating cached repository https://github.com/bungcip/rust-placebot
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d909cd5b476cb412ea0905296bda94d8092cbbe2
[INFO] checking bungcip/rust-placebot against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbungcip%2Frust-placebot" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bungcip/rust-placebot on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/bungcip/rust-placebot
[INFO] finished tweaking git repo https://github.com/bungcip/rust-placebot
[INFO] tweaked toml for git repo https://github.com/bungcip/rust-placebot written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/bungcip/rust-placebot already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b7b3c86291edbc8bdde99ae07e7719cd2b0048f366615aada9b09bf1c9c6ac06
[INFO] running `"docker" "start" "-a" "b7b3c86291edbc8bdde99ae07e7719cd2b0048f366615aada9b09bf1c9c6ac06"`
[INFO] [stderr]     Checking libflate v0.1.4
[INFO] [stderr]     Checking toml v0.3.2
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling syn v0.11.9
[INFO] [stderr]     Checking openssl v0.9.10
[INFO] [stderr]     Checking hyper v0.10.5
[INFO] [stderr]     Checking serde_urlencoded v0.4.2
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]     Checking native-tls v0.1.2
[INFO] [stderr]     Checking hyper-native-tls v0.2.2
[INFO] [stderr]    Compiling serde_derive v0.9.12
[INFO] [stderr]     Checking reqwest v0.5.0
[INFO] [stderr]     Checking rust-placebot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/main.rs:355:17
[INFO] [stderr]     |
[INFO] [stderr] 355 |                 /// sleep 1000 ms
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 356 |                 let duration = std::time::Duration::from_millis(1000);
[INFO] [stderr]     |                 ------------------------------------------------------ rustdoc does not generate documentation for statements
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/main.rs:378:25
[INFO] [stderr]     |
[INFO] [stderr] 378 |                         /// continue for next job, not need to login again
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 379 |                         std::thread::sleep(Duration::from_millis(1000));
[INFO] [stderr]     |                         ----------------------------------------------- rustdoc does not generate documentation for expressions
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/main.rs:395:9
[INFO] [stderr]     |
[INFO] [stderr] 395 |         /// wait 
[INFO] [stderr]     |         ^^^^^^^^^
[INFO] [stderr] 396 |         let wait_seconds = wait_seconds as u64;
[INFO] [stderr]     |         --------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/main.rs:437:5
[INFO] [stderr]     |
[INFO] [stderr] 437 |       /// get target data
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 438 | /     let target = match load_target() {
[INFO] [stderr] 439 | |         Ok(target) => target,
[INFO] [stderr] 440 | |         Err(why) => {
[INFO] [stderr] 441 | |             println!("cannot open target.toml: {}", why.description());
[INFO] [stderr] 442 | |             return
[INFO] [stderr] 443 | |         }
[INFO] [stderr] 444 | |     };
[INFO] [stderr]     | |______- rustdoc does not generate documentation for statements
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/main.rs:355:17
[INFO] [stderr]     |
[INFO] [stderr] 355 |                 /// sleep 1000 ms
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 356 |                 let duration = std::time::Duration::from_millis(1000);
[INFO] [stderr]     |                 ------------------------------------------------------ rustdoc does not generate documentation for statements
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/main.rs:378:25
[INFO] [stderr]     |
[INFO] [stderr] 378 |                         /// continue for next job, not need to login again
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 379 |                         std::thread::sleep(Duration::from_millis(1000));
[INFO] [stderr]     |                         ----------------------------------------------- rustdoc does not generate documentation for expressions
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/main.rs:395:9
[INFO] [stderr]     |
[INFO] [stderr] 395 |         /// wait 
[INFO] [stderr]     |         ^^^^^^^^^
[INFO] [stderr] 396 |         let wait_seconds = wait_seconds as u64;
[INFO] [stderr]     |         --------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/main.rs:437:5
[INFO] [stderr]     |
[INFO] [stderr] 437 |       /// get target data
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 438 | /     let target = match load_target() {
[INFO] [stderr] 439 | |         Ok(target) => target,
[INFO] [stderr] 440 | |         Err(why) => {
[INFO] [stderr] 441 | |             println!("cannot open target.toml: {}", why.description());
[INFO] [stderr] 442 | |             return
[INFO] [stderr] 443 | |         }
[INFO] [stderr] 444 | |     };
[INFO] [stderr]     | |______- rustdoc does not generate documentation for statements
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 | /     error_chain! { 
[INFO] [stderr] 57 | |         // Automatic conversions between this error chain and other
[INFO] [stderr] 58 | |         // error chains. In this case, it will e.g. generate an
[INFO] [stderr] 59 | |         // `ErrorKind` variant called `Another` which in turn contains
[INFO] [stderr] ...  |
[INFO] [stderr] 90 | |         }        
[INFO] [stderr] 91 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 | /     error_chain! { 
[INFO] [stderr] 57 | |         // Automatic conversions between this error chain and other
[INFO] [stderr] 58 | |         // error chains. In this case, it will e.g. generate an
[INFO] [stderr] 59 | |         // `ErrorKind` variant called `Another` which in turn contains
[INFO] [stderr] ...  |
[INFO] [stderr] 90 | |         }        
[INFO] [stderr] 91 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 | /     error_chain! { 
[INFO] [stderr] 57 | |         // Automatic conversions between this error chain and other
[INFO] [stderr] 58 | |         // error chains. In this case, it will e.g. generate an
[INFO] [stderr] 59 | |         // `ErrorKind` variant called `Another` which in turn contains
[INFO] [stderr] ...  |
[INFO] [stderr] 90 | |         }        
[INFO] [stderr] 91 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 | /     error_chain! { 
[INFO] [stderr] 57 | |         // Automatic conversions between this error chain and other
[INFO] [stderr] 58 | |         // error chains. In this case, it will e.g. generate an
[INFO] [stderr] 59 | |         // `ErrorKind` variant called `Another` which in turn contains
[INFO] [stderr] ...  |
[INFO] [stderr] 90 | |         }        
[INFO] [stderr] 91 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.67s
[INFO] running `"docker" "inspect" "b7b3c86291edbc8bdde99ae07e7719cd2b0048f366615aada9b09bf1c9c6ac06"`
[INFO] running `"docker" "rm" "-f" "b7b3c86291edbc8bdde99ae07e7719cd2b0048f366615aada9b09bf1c9c6ac06"`
[INFO] [stdout] b7b3c86291edbc8bdde99ae07e7719cd2b0048f366615aada9b09bf1c9c6ac06