[INFO] crate serde_mcf 0.1.3 is already in cache
[INFO] extracting crate serde_mcf 0.1.3 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/serde_mcf/0.1.3
[INFO] extracting crate serde_mcf 0.1.3 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/serde_mcf/0.1.3
[INFO] validating manifest of serde_mcf-0.1.3 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of serde_mcf-0.1.3 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing serde_mcf-0.1.3
[INFO] finished frobbing serde_mcf-0.1.3
[INFO] frobbed toml for serde_mcf-0.1.3 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/serde_mcf/0.1.3/Cargo.toml
[INFO] started frobbing serde_mcf-0.1.3
[INFO] finished frobbing serde_mcf-0.1.3
[INFO] frobbed toml for serde_mcf-0.1.3 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/serde_mcf/0.1.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking serde_mcf-0.1.3 against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-6/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/serde_mcf/0.1.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e4c4d81bf89f14f0d84361170740fd8c42f4d60005fbcd3cba9e62d035997358
[INFO] running `"docker" "start" "-a" "e4c4d81bf89f14f0d84361170740fd8c42f4d60005fbcd3cba9e62d035997358"`
[INFO] [stderr]     Checking serde_mcf v0.1.3 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/lib.rs:120:1
[INFO] [stderr]     |
[INFO] [stderr] 120 | / /// List of known algorithm identifiers.
[INFO] [stderr] 121 | | /// Source: https://passlib.readthedocs.io/en/stable/modular_crypt_format.html
[INFO] [stderr]     | |______________________________________________________________________________^
[INFO] [stderr] 122 | / enum_hashes!{
[INFO] [stderr] 123 | |     Md5Crypt = "1",
[INFO] [stderr] 124 | |     Bcrypt = "2",
[INFO] [stderr] 125 | |     Bcrypta = "2a",
[INFO] [stderr] ...   |
[INFO] [stderr] 149 | |     Custom = "custom", // for any other purposes. fill details in params field
[INFO] [stderr] 150 | | }
[INFO] [stderr]     | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/lib.rs:120:1
[INFO] [stderr]     |
[INFO] [stderr] 120 | / /// List of known algorithm identifiers.
[INFO] [stderr] 121 | | /// Source: https://passlib.readthedocs.io/en/stable/modular_crypt_format.html
[INFO] [stderr]     | |______________________________________________________________________________^
[INFO] [stderr] 122 | / enum_hashes!{
[INFO] [stderr] 123 | |     Md5Crypt = "1",
[INFO] [stderr] 124 | |     Bcrypt = "2",
[INFO] [stderr] 125 | |     Bcrypta = "2a",
[INFO] [stderr] ...   |
[INFO] [stderr] 149 | |     Custom = "custom", // for any other purposes. fill details in params field
[INFO] [stderr] 150 | | }
[INFO] [stderr]     | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/lib.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 | /     error_chain!{
[INFO] [stderr] 41 | |         errors {
[INFO] [stderr] 42 | |             Custom(msg: String)
[INFO] [stderr] 43 | |             Unsupported
[INFO] [stderr] ...  |
[INFO] [stderr] 49 | |         }
[INFO] [stderr] 50 | |     }
[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/lib.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 | /     error_chain!{
[INFO] [stderr] 41 | |         errors {
[INFO] [stderr] 42 | |             Custom(msg: String)
[INFO] [stderr] 43 | |             Unsupported
[INFO] [stderr] ...  |
[INFO] [stderr] 49 | |         }
[INFO] [stderr] 50 | |     }
[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/lib.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 | /     error_chain!{
[INFO] [stderr] 41 | |         errors {
[INFO] [stderr] 42 | |             Custom(msg: String)
[INFO] [stderr] 43 | |             Unsupported
[INFO] [stderr] ...  |
[INFO] [stderr] 49 | |         }
[INFO] [stderr] 50 | |     }
[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/lib.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 | /     error_chain!{
[INFO] [stderr] 41 | |         errors {
[INFO] [stderr] 42 | |             Custom(msg: String)
[INFO] [stderr] 43 | |             Unsupported
[INFO] [stderr] ...  |
[INFO] [stderr] 49 | |         }
[INFO] [stderr] 50 | |     }
[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 2.33s
[INFO] running `"docker" "inspect" "e4c4d81bf89f14f0d84361170740fd8c42f4d60005fbcd3cba9e62d035997358"`
[INFO] running `"docker" "rm" "-f" "e4c4d81bf89f14f0d84361170740fd8c42f4d60005fbcd3cba9e62d035997358"`
[INFO] [stdout] e4c4d81bf89f14f0d84361170740fd8c42f4d60005fbcd3cba9e62d035997358