[INFO] fetching crate is_anagram 0.1.0...
[INFO] checking is_anagram-0.1.0 against master#a874956d940ecb3ed524b6176a171219ac4787ea for pr-76104
[INFO] extracting crate is_anagram 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate is_anagram 0.1.0 on toolchain a874956d940ecb3ed524b6176a171219ac4787ea
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate is_anagram 0.1.0
[INFO] finished tweaking crates.io crate is_anagram 0.1.0
[INFO] tweaked toml for crates.io crate is_anagram 0.1.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10297b6b8506e8218679666122ddc65f57c9f4ee0194315c0ec06e18f85421ea
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "10297b6b8506e8218679666122ddc65f57c9f4ee0194315c0ec06e18f85421ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10297b6b8506e8218679666122ddc65f57c9f4ee0194315c0ec06e18f85421ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10297b6b8506e8218679666122ddc65f57c9f4ee0194315c0ec06e18f85421ea", kill_on_drop: false }`
[INFO] [stdout] 10297b6b8506e8218679666122ddc65f57c9f4ee0194315c0ec06e18f85421ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1060a352742e51ac0146bd0d65b0a5f76a786aa8768ed227cce5b689d8b4d687
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1060a352742e51ac0146bd0d65b0a5f76a786aa8768ed227cce5b689d8b4d687", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ascii v0.8.7
[INFO] [stderr]    Compiling miniz_oxide v0.4.2
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking is_anagram v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]   --> src/lib.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use std::ascii::AsciiExt;
[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:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 | /     error_chain! {
[INFO] [stdout] 66 | |         foreign_links {
[INFO] [stdout] 67 | |             Ascii(::ascii::AsAsciiStrError);
[INFO] [stdout] 68 | |         }
[INFO] [stdout] ...  |
[INFO] [stdout] 77 | |         }
[INFO] [stdout] 78 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]   --> src/lib.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use std::ascii::AsciiExt;
[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:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 | /     error_chain! {
[INFO] [stdout] 66 | |         foreign_links {
[INFO] [stdout] 67 | |             Ascii(::ascii::AsAsciiStrError);
[INFO] [stdout] 68 | |         }
[INFO] [stdout] ...  |
[INFO] [stdout] 77 | |         }
[INFO] [stdout] 78 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (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:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 | /     error_chain! {
[INFO] [stdout] 66 | |         foreign_links {
[INFO] [stdout] 67 | |             Ascii(::ascii::AsAsciiStrError);
[INFO] [stdout] 68 | |         }
[INFO] [stdout] ...  |
[INFO] [stdout] 77 | |         }
[INFO] [stdout] 78 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stdout]   --> src/lib.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use std::ascii::AsciiExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[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:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 | /     error_chain! {
[INFO] [stdout] 66 | |         foreign_links {
[INFO] [stdout] 67 | |             Ascii(::ascii::AsAsciiStrError);
[INFO] [stdout] 68 | |         }
[INFO] [stdout] ...  |
[INFO] [stdout] 77 | |         }
[INFO] [stdout] 78 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `c` is named the same as one of the variants of the type `AsciiChar`
[INFO] [stdout]   --> src/lib.rs:41:15
[INFO] [stdout]    |
[INFO] [stdout] 41 |         .map(|c| (c as u8) - b'a')
[INFO] [stdout]    |               ^ help: to match on the variant, qualify the path: `AsciiChar::c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bindings_with_variant_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stdout]   --> src/lib.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use std::ascii::AsciiExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `c` is named the same as one of the variants of the type `AsciiChar`
[INFO] [stdout]   --> src/lib.rs:41:15
[INFO] [stdout]    |
[INFO] [stdout] 41 |         .map(|c| (c as u8) - b'a')
[INFO] [stdout]    |               ^ help: to match on the variant, qualify the path: `AsciiChar::c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bindings_with_variant_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0170`.
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0170`.
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.06s
[INFO] running `Command { std: "docker" "inspect" "1060a352742e51ac0146bd0d65b0a5f76a786aa8768ed227cce5b689d8b4d687", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1060a352742e51ac0146bd0d65b0a5f76a786aa8768ed227cce5b689d8b4d687", kill_on_drop: false }`
[INFO] [stdout] 1060a352742e51ac0146bd0d65b0a5f76a786aa8768ed227cce5b689d8b4d687