[INFO] crate language-tags 0.2.2 is already in cache
[INFO] testing language-tags-0.2.2 against 1.45.2 for beta-1.46-1
[INFO] extracting crate language-tags 0.2.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate language-tags 0.2.2 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate language-tags 0.2.2
[INFO] finished tweaking crates.io crate language-tags 0.2.2
[INFO] tweaked toml for crates.io crate language-tags 0.2.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad1e9f9ef94718d5ec5f9736fcc12a09f38eadafdbf740d62843fc035ddada01
[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" "ad1e9f9ef94718d5ec5f9736fcc12a09f38eadafdbf740d62843fc035ddada01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad1e9f9ef94718d5ec5f9736fcc12a09f38eadafdbf740d62843fc035ddada01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad1e9f9ef94718d5ec5f9736fcc12a09f38eadafdbf740d62843fc035ddada01", kill_on_drop: false }`
[INFO] [stdout] ad1e9f9ef94718d5ec5f9736fcc12a09f38eadafdbf740d62843fc035ddada01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1691f54a8ab832733031a461beae90baf395ecad7ef9162137770109afb1e2b
[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" "c1691f54a8ab832733031a461beae90baf395ecad7ef9162137770109afb1e2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling language-tags v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:460:24
[INFO] [stdout]     |
[INFO] [stdout] 460 |         let position = try!(parse_language_tag(&mut langtag, t));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:491:13
[INFO] [stdout]     |
[INFO] [stdout] 491 |             try!(Display::fmt(&x.to_ascii_lowercase()[..], f))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:494:13
[INFO] [stdout]     |
[INFO] [stdout] 494 |             try!(write!(f, "-{}", x.to_ascii_lowercase()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:507:13
[INFO] [stdout]     |
[INFO] [stdout] 507 |             try!(write!(f, "-{}", y));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:510:13
[INFO] [stdout]     |
[INFO] [stdout] 510 |             try!(write!(f, "-{}", x.to_ascii_uppercase()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:513:13
[INFO] [stdout]     |
[INFO] [stdout] 513 |             try!(write!(f, "-{}", x.to_ascii_lowercase()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:520:13
[INFO] [stdout]     |
[INFO] [stdout] 520 |             try!(write!(f, "-{}", key));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:522:17
[INFO] [stdout]     |
[INFO] [stdout] 522 |                 try!(write!(f, "-{}", value));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:527:17
[INFO] [stdout]     |
[INFO] [stdout] 527 |                 try!(f.write_str("x"));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:529:17
[INFO] [stdout]     |
[INFO] [stdout] 529 |                 try!(f.write_str("-x"));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:532:17
[INFO] [stdout]     |
[INFO] [stdout] 532 |                 try!(write!(f, "-{}", value));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stdout]   --> src/lib.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | use std::ascii::AsciiExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:115:26
[INFO] [stdout]     |
[INFO] [stdout] 115 |         f.write_str(self.description())
[INFO] [stdout]     |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stdout]   --> src/lib.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | use std::ascii::AsciiExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "c1691f54a8ab832733031a461beae90baf395ecad7ef9162137770109afb1e2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1691f54a8ab832733031a461beae90baf395ecad7ef9162137770109afb1e2b", kill_on_drop: false }`
[INFO] [stdout] c1691f54a8ab832733031a461beae90baf395ecad7ef9162137770109afb1e2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 390d54cde990c5fbbffc38799996167b4618b31c20421094f722cc31da3ef0eb
[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" "390d54cde990c5fbbffc38799996167b4618b31c20421094f722cc31da3ef0eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling language-tags v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:460:24
[INFO] [stdout]     |
[INFO] [stdout] 460 |         let position = try!(parse_language_tag(&mut langtag, t));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:491:13
[INFO] [stdout]     |
[INFO] [stdout] 491 |             try!(Display::fmt(&x.to_ascii_lowercase()[..], f))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:494:13
[INFO] [stdout]     |
[INFO] [stdout] 494 |             try!(write!(f, "-{}", x.to_ascii_lowercase()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:507:13
[INFO] [stdout]     |
[INFO] [stdout] 507 |             try!(write!(f, "-{}", y));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:510:13
[INFO] [stdout]     |
[INFO] [stdout] 510 |             try!(write!(f, "-{}", x.to_ascii_uppercase()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:513:13
[INFO] [stdout]     |
[INFO] [stdout] 513 |             try!(write!(f, "-{}", x.to_ascii_lowercase()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:520:13
[INFO] [stdout]     |
[INFO] [stdout] 520 |             try!(write!(f, "-{}", key));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:522:17
[INFO] [stdout]     |
[INFO] [stdout] 522 |                 try!(write!(f, "-{}", value));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:527:17
[INFO] [stdout]     |
[INFO] [stdout] 527 |                 try!(f.write_str("x"));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:529:17
[INFO] [stdout]     |
[INFO] [stdout] 529 |                 try!(f.write_str("-x"));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:532:17
[INFO] [stdout]     |
[INFO] [stdout] 532 |                 try!(write!(f, "-{}", value));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stdout]   --> src/lib.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | use std::ascii::AsciiExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:115:26
[INFO] [stdout]     |
[INFO] [stdout] 115 |         f.write_str(self.description())
[INFO] [stdout]     |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stdout]   --> src/lib.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | use std::ascii::AsciiExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stdout]  --> tests/tests.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | 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 item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:460:24
[INFO] [stdout]     |
[INFO] [stdout] 460 |         let position = try!(parse_language_tag(&mut langtag, t));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:2:24
[INFO] [stdout]     |
[INFO] [stdout] 2   | #![cfg_attr(test, deny(warnings))]
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:491:13
[INFO] [stdout]     |
[INFO] [stdout] 491 |             try!(Display::fmt(&x.to_ascii_lowercase()[..], f))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:494:13
[INFO] [stdout]     |
[INFO] [stdout] 494 |             try!(write!(f, "-{}", x.to_ascii_lowercase()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:507:13
[INFO] [stdout]     |
[INFO] [stdout] 507 |             try!(write!(f, "-{}", y));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:510:13
[INFO] [stdout]     |
[INFO] [stdout] 510 |             try!(write!(f, "-{}", x.to_ascii_uppercase()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:513:13
[INFO] [stdout]     |
[INFO] [stdout] 513 |             try!(write!(f, "-{}", x.to_ascii_lowercase()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:520:13
[INFO] [stdout]     |
[INFO] [stdout] 520 |             try!(write!(f, "-{}", key));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:522:17
[INFO] [stdout]     |
[INFO] [stdout] 522 |                 try!(write!(f, "-{}", value));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:527:17
[INFO] [stdout]     |
[INFO] [stdout] 527 |                 try!(f.write_str("x"));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:529:17
[INFO] [stdout]     |
[INFO] [stdout] 529 |                 try!(f.write_str("-x"));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:532:17
[INFO] [stdout]     |
[INFO] [stdout] 532 |                 try!(write!(f, "-{}", value));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stdout]   --> src/lib.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | use std::ascii::AsciiExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:115:26
[INFO] [stdout]     |
[INFO] [stdout] 115 |         f.write_str(self.description())
[INFO] [stdout]     |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stdout]   --> src/lib.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | use std::ascii::AsciiExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:2:24
[INFO] [stdout]    |
[INFO] [stdout] 2  | #![cfg_attr(test, deny(warnings))]
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_imports)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stdout]  --> tests/tests.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ascii::AsciiExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.22s
[INFO] running `Command { std: "docker" "inspect" "390d54cde990c5fbbffc38799996167b4618b31c20421094f722cc31da3ef0eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "390d54cde990c5fbbffc38799996167b4618b31c20421094f722cc31da3ef0eb", kill_on_drop: false }`
[INFO] [stdout] 390d54cde990c5fbbffc38799996167b4618b31c20421094f722cc31da3ef0eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1480d228a1b2cc6cf4708a0508e73121e17f1bbf0889ad9cdb34c4f3072c13a9
[INFO] running `Command { std: "docker" "start" "-a" "1480d228a1b2cc6cf4708a0508e73121e17f1bbf0889ad9cdb34c4f3072c13a9", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:460:24
[INFO] [stderr]     |
[INFO] [stderr] 460 |         let position = try!(parse_language_tag(&mut langtag, t));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:460:24
[INFO] [stderr]     |
[INFO] [stderr] 460 |         let position = try!(parse_language_tag(&mut langtag, t));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:2:24
[INFO] [stderr]     |
[INFO] [stderr] 2   | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]     |                        ^^^^^^^^
[INFO] [stderr]     = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:491:13
[INFO] [stderr]     |
[INFO] [stderr] 491 |             try!(Display::fmt(&x.to_ascii_lowercase()[..], f))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:491:13
[INFO] [stderr]     |
[INFO] [stderr] 491 |             try!(Display::fmt(&x.to_ascii_lowercase()[..], f))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:494:13
[INFO] [stderr]     |
[INFO] [stderr] 494 |             try!(write!(f, "-{}", x.to_ascii_lowercase()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:494:13
[INFO] [stderr]     |
[INFO] [stderr] 494 |             try!(write!(f, "-{}", x.to_ascii_lowercase()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:507:13
[INFO] [stderr]     |
[INFO] [stderr] 507 |             try!(write!(f, "-{}", y));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:507:13
[INFO] [stderr]     |
[INFO] [stderr] 507 |             try!(write!(f, "-{}", y));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:510:13
[INFO] [stderr]     |
[INFO] [stderr] 510 |             try!(write!(f, "-{}", x.to_ascii_uppercase()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:510:13
[INFO] [stderr]     |
[INFO] [stderr] 510 |             try!(write!(f, "-{}", x.to_ascii_uppercase()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:513:13
[INFO] [stderr]     |
[INFO] [stderr] 513 |             try!(write!(f, "-{}", x.to_ascii_lowercase()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:513:13
[INFO] [stderr]     |
[INFO] [stderr] 513 |             try!(write!(f, "-{}", x.to_ascii_lowercase()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:520:13
[INFO] [stderr]     |
[INFO] [stderr] 520 |             try!(write!(f, "-{}", key));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:522:17
[INFO] [stderr]     |
[INFO] [stderr] 522 |                 try!(write!(f, "-{}", value));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:520:13
[INFO] [stderr]     |
[INFO] [stderr] 520 |             try!(write!(f, "-{}", key));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:527:17
[INFO] [stderr]     |
[INFO] [stderr] 527 |                 try!(f.write_str("x"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:522:17
[INFO] [stderr]     |
[INFO] [stderr] 522 |                 try!(write!(f, "-{}", value));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:529:17
[INFO] [stderr]     |
[INFO] [stderr] 529 |                 try!(f.write_str("-x"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:527:17
[INFO] [stderr]     |
[INFO] [stderr] 527 |                 try!(f.write_str("x"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:532:17
[INFO] [stderr]     |
[INFO] [stderr] 532 |                 try!(write!(f, "-{}", value));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]   --> src/lib.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 | use std::ascii::AsciiExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:529:17
[INFO] [stderr]     |
[INFO] [stderr] 529 |                 try!(f.write_str("-x"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:115:26
[INFO] [stderr]     |
[INFO] [stderr] 115 |         f.write_str(self.description())
[INFO] [stderr]     |                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:532:17
[INFO] [stderr]     |
[INFO] [stderr] 532 |                 try!(write!(f, "-{}", value));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]   --> src/lib.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 | use std::ascii::AsciiExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]   --> src/lib.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 | use std::ascii::AsciiExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:2:24
[INFO] [stderr]    |
[INFO] [stderr] 2  | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(unused_imports)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:115:26
[INFO] [stderr]     |
[INFO] [stderr] 115 |         f.write_str(self.description())
[INFO] [stderr]     |                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]   --> src/lib.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 | use std::ascii::AsciiExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]  --> tests/tests.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]  --> tests/tests.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/language_tags-ba4ed8d0ef3b47a9
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tests-796351490a1ebf85
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test test_cmp ... ok
[INFO] [stdout] test test_macro ... ok
[INFO] [stdout] test test_match ... ok
[INFO] [stdout] test test_format ... ok
[INFO] [stdout] test test_grandfathered_tag ... ok
[INFO] [stdout] test test_lang_from_str ... ok
[INFO] [stdout] test test_region_from_str ... ok
[INFO] [stdout] test test_strange_case_from_str ... ok
[INFO] [stdout] test test_match_all ... ok
[INFO] [stdout] test test_canonicalize ... ok
[INFO] [stdout] test test_variant_from_str ... ok
[INFO] [stdout] test test_unicode ... ok
[INFO] [stdout] test test_eq ... ok
[INFO] [stdout] test test_extlang_from_str ... ok
[INFO] [stdout] test test_private_tag ... ok
[INFO] [stdout] test test_script_from_str ... ok
[INFO] [stdout] test test_broken_tags ... ok
[INFO] [stdout] test test_random_bad_tags ... ok
[INFO] [stdout] test test_invalid_from_str ... ok
[INFO] [stdout] test test_private_use ... ok
[INFO] [stdout] test test_wellformed_tags ... ok
[INFO] [stdout] test test_klingon ... ok
[INFO] [stdout] test test_random_good_tags ... ok
[INFO] [stdout] test test_fmt ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests language-tags
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs -  (line 21) ... ok
[INFO] [stdout] test src/lib.rs -  (line 40) ... ok
[INFO] [stdout] test src/lib.rs - LanguageTag::matches (line 272) ... ok
[INFO] [stdout] test src/lib.rs -  (line 31) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1480d228a1b2cc6cf4708a0508e73121e17f1bbf0889ad9cdb34c4f3072c13a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1480d228a1b2cc6cf4708a0508e73121e17f1bbf0889ad9cdb34c4f3072c13a9", kill_on_drop: false }`
[INFO] [stdout] 1480d228a1b2cc6cf4708a0508e73121e17f1bbf0889ad9cdb34c4f3072c13a9