[INFO] fetching crate serde_mcf 0.1.3...
[INFO] checking serde_mcf-0.1.3 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate serde_mcf 0.1.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate serde_mcf 0.1.3 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_mcf 0.1.3
[INFO] finished tweaking crates.io crate serde_mcf 0.1.3
[INFO] tweaked toml for crates.io crate serde_mcf 0.1.3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1affd91e5142bd02fd43707c6a926ed762c9d2e01234d62d67bf8263126cf4aa
[INFO] running `Command { std: "docker" "start" "-a" "1affd91e5142bd02fd43707c6a926ed762c9d2e01234d62d67bf8263126cf4aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1affd91e5142bd02fd43707c6a926ed762c9d2e01234d62d67bf8263126cf4aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1affd91e5142bd02fd43707c6a926ed762c9d2e01234d62d67bf8263126cf4aa", kill_on_drop: false }`
[INFO] [stdout] 1affd91e5142bd02fd43707c6a926ed762c9d2e01234d62d67bf8263126cf4aa
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e82a4c42e5e1cb5a3906f47479086defe2a46d852a5b73ae9015c51998e050d5
[INFO] running `Command { std: "docker" "start" "-a" "e82a4c42e5e1cb5a3906f47479086defe2a46d852a5b73ae9015c51998e050d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]     Checking addr2line v0.15.2
[INFO] [stderr]     Checking serde_bytes v0.10.5
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking serde_mcf v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:120:1
[INFO] [stdout]     |
[INFO] [stdout] 120 | / /// List of known algorithm identifiers.
[INFO] [stdout] 121 | | /// Source: https://passlib.readthedocs.io/en/stable/modular_crypt_format.html
[INFO] [stdout]     | |_-----------------------------------------------------------------------------^
[INFO] [stdout]     |   |
[INFO] [stdout]     |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/encoding.rs:60:29
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let (salt, hash) = (try!(BASE64BCRYPT.decode(&encoded.as_bytes()[..22])
[INFO] [stdout]    |                             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/encoding.rs:62:29
[INFO] [stdout]    |
[INFO] [stdout] 62 | ...                   try!(BASE64BCRYPT.decode(&encoded.as_bytes()[22..])
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:120:1
[INFO] [stdout]     |
[INFO] [stdout] 120 | / /// List of known algorithm identifiers.
[INFO] [stdout] 121 | | /// Source: https://passlib.readthedocs.io/en/stable/modular_crypt_format.html
[INFO] [stdout]     | |_-----------------------------------------------------------------------------^
[INFO] [stdout]     |   |
[INFO] [stdout]     |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/encoding.rs:60:29
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let (salt, hash) = (try!(BASE64BCRYPT.decode(&encoded.as_bytes()[..22])
[INFO] [stdout]    |                             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/encoding.rs:62:29
[INFO] [stdout]    |
[INFO] [stdout] 62 | ...                   try!(BASE64BCRYPT.decode(&encoded.as_bytes()[22..])
[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:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | /     error_chain!{
[INFO] [stdout] 41 | |         errors {
[INFO] [stdout] 42 | |             Custom(msg: String)
[INFO] [stdout] 43 | |             Unsupported
[INFO] [stdout] ...  |
[INFO] [stdout] 49 | |         }
[INFO] [stdout] 50 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (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]   --> src/lib.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | /     error_chain!{
[INFO] [stdout] 41 | |         errors {
[INFO] [stdout] 42 | |             Custom(msg: String)
[INFO] [stdout] 43 | |             Unsupported
[INFO] [stdout] ...  |
[INFO] [stdout] 49 | |         }
[INFO] [stdout] 50 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (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::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/lib.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | /     error_chain!{
[INFO] [stdout] 41 | |         errors {
[INFO] [stdout] 42 | |             Custom(msg: String)
[INFO] [stdout] 43 | |             Unsupported
[INFO] [stdout] ...  |
[INFO] [stdout] 49 | |         }
[INFO] [stdout] 50 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (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::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/lib.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | /     error_chain!{
[INFO] [stdout] 41 | |         errors {
[INFO] [stdout] 42 | |             Custom(msg: String)
[INFO] [stdout] 43 | |             Unsupported
[INFO] [stdout] ...  |
[INFO] [stdout] 49 | |         }
[INFO] [stdout] 50 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.88s
[INFO] running `Command { std: "docker" "inspect" "e82a4c42e5e1cb5a3906f47479086defe2a46d852a5b73ae9015c51998e050d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e82a4c42e5e1cb5a3906f47479086defe2a46d852a5b73ae9015c51998e050d5", kill_on_drop: false }`
[INFO] [stdout] e82a4c42e5e1cb5a3906f47479086defe2a46d852a5b73ae9015c51998e050d5