[INFO] fetching crate qrcodegen 1.6.0...
[INFO] testing qrcodegen-1.6.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate qrcodegen 1.6.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate qrcodegen 1.6.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate qrcodegen 1.6.0
[INFO] finished tweaking crates.io crate qrcodegen 1.6.0
[INFO] tweaked toml for crates.io crate qrcodegen 1.6.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate qrcodegen 1.6.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 319d8114018fd7f6f0b8773dee0ed8c923d50b2a0b90c8761480acf74716ffc8
[INFO] running `"docker" "start" "-a" "319d8114018fd7f6f0b8773dee0ed8c923d50b2a0b90c8761480acf74716ffc8"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling qrcodegen v1.6.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/lib.rs:866:3
[INFO] [stderr]     |
[INFO] [stderr] 866 |           ( i32::from(core && rh[0] >= n * 4 && rh[6] >= n)
[INFO] [stderr]     |  _________^
[INFO] [stderr] 867 | |         + i32::from(core && rh[6] >= n * 4 && rh[0] >= n))
[INFO] [stderr]     | |__________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 866 |          i32::from(core && rh[0] >= n * 4 && rh[6] >= n)
[INFO] [stderr] 867 |         + i32::from(core && rh[6] >= n * 4 && rh[0] >= n)
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: constant `QrCode_MIN_VERSION` should have an upper case name
[INFO] [stderr]    --> src/lib.rs:888:11
[INFO] [stderr]     |
[INFO] [stderr] 888 | pub const QrCode_MIN_VERSION: Version = Version( 1);
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `QR_CODE_MIN_VERSION`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `QrCode_MAX_VERSION` should have an upper case name
[INFO] [stderr]    --> src/lib.rs:891:11
[INFO] [stderr]     |
[INFO] [stderr] 891 | pub const QrCode_MAX_VERSION: Version = Version(40);
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `QR_CODE_MAX_VERSION`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `"docker" "inspect" "319d8114018fd7f6f0b8773dee0ed8c923d50b2a0b90c8761480acf74716ffc8"`
[INFO] running `"docker" "rm" "-f" "319d8114018fd7f6f0b8773dee0ed8c923d50b2a0b90c8761480acf74716ffc8"`
[INFO] [stdout] 319d8114018fd7f6f0b8773dee0ed8c923d50b2a0b90c8761480acf74716ffc8
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c8d1b980989cc512410cbfabdfcb25208b6d9bd042b28144240409e104afc010
[INFO] running `"docker" "start" "-a" "c8d1b980989cc512410cbfabdfcb25208b6d9bd042b28144240409e104afc010"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling qrcodegen v1.6.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/lib.rs:866:3
[INFO] [stderr]     |
[INFO] [stderr] 866 |           ( i32::from(core && rh[0] >= n * 4 && rh[6] >= n)
[INFO] [stderr]     |  _________^
[INFO] [stderr] 867 | |         + i32::from(core && rh[6] >= n * 4 && rh[0] >= n))
[INFO] [stderr]     | |__________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 866 |          i32::from(core && rh[0] >= n * 4 && rh[6] >= n)
[INFO] [stderr] 867 |         + i32::from(core && rh[6] >= n * 4 && rh[0] >= n)
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: constant `QrCode_MIN_VERSION` should have an upper case name
[INFO] [stderr]    --> src/lib.rs:888:11
[INFO] [stderr]     |
[INFO] [stderr] 888 | pub const QrCode_MIN_VERSION: Version = Version( 1);
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `QR_CODE_MIN_VERSION`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `QrCode_MAX_VERSION` should have an upper case name
[INFO] [stderr]    --> src/lib.rs:891:11
[INFO] [stderr]     |
[INFO] [stderr] 891 | pub const QrCode_MAX_VERSION: Version = Version(40);
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `QR_CODE_MAX_VERSION`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/lib.rs:866:3
[INFO] [stderr]     |
[INFO] [stderr] 866 |           ( i32::from(core && rh[0] >= n * 4 && rh[6] >= n)
[INFO] [stderr]     |  _________^
[INFO] [stderr] 867 | |         + i32::from(core && rh[6] >= n * 4 && rh[0] >= n))
[INFO] [stderr]     | |__________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 866 |          i32::from(core && rh[0] >= n * 4 && rh[6] >= n)
[INFO] [stderr] 867 |         + i32::from(core && rh[6] >= n * 4 && rh[0] >= n)
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: constant `QrCode_MIN_VERSION` should have an upper case name
[INFO] [stderr]    --> src/lib.rs:888:11
[INFO] [stderr]     |
[INFO] [stderr] 888 | pub const QrCode_MIN_VERSION: Version = Version( 1);
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `QR_CODE_MIN_VERSION`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `QrCode_MAX_VERSION` should have an upper case name
[INFO] [stderr]    --> src/lib.rs:891:11
[INFO] [stderr]     |
[INFO] [stderr] 891 | pub const QrCode_MAX_VERSION: Version = Version(40);
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `QR_CODE_MAX_VERSION`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "c8d1b980989cc512410cbfabdfcb25208b6d9bd042b28144240409e104afc010"`
[INFO] running `"docker" "rm" "-f" "c8d1b980989cc512410cbfabdfcb25208b6d9bd042b28144240409e104afc010"`
[INFO] [stdout] c8d1b980989cc512410cbfabdfcb25208b6d9bd042b28144240409e104afc010
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 01d4993ce1f46f41cfe5e43b363a2858c2f909b67767e6c1854ad39dc81ef868
[INFO] running `"docker" "start" "-a" "01d4993ce1f46f41cfe5e43b363a2858c2f909b67767e6c1854ad39dc81ef868"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/lib.rs:866:3
[INFO] [stderr]     |
[INFO] [stderr] 866 |           ( i32::from(core && rh[0] >= n * 4 && rh[6] >= n)
[INFO] [stderr]     |  _________^
[INFO] [stderr] 867 | |         + i32::from(core && rh[6] >= n * 4 && rh[0] >= n))
[INFO] [stderr]     | |__________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 866 |          i32::from(core && rh[0] >= n * 4 && rh[6] >= n)
[INFO] [stderr] 867 |         + i32::from(core && rh[6] >= n * 4 && rh[0] >= n)
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: constant `QrCode_MIN_VERSION` should have an upper case name
[INFO] [stderr]    --> src/lib.rs:888:11
[INFO] [stderr]     |
[INFO] [stderr] 888 | pub const QrCode_MIN_VERSION: Version = Version( 1);
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `QR_CODE_MIN_VERSION`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `QrCode_MAX_VERSION` should have an upper case name
[INFO] [stderr]    --> src/lib.rs:891:11
[INFO] [stderr]     |
[INFO] [stderr] 891 | pub const QrCode_MAX_VERSION: Version = Version(40);
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `QR_CODE_MAX_VERSION`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/lib.rs:866:3
[INFO] [stderr]     |
[INFO] [stderr] 866 |           ( i32::from(core && rh[0] >= n * 4 && rh[6] >= n)
[INFO] [stderr]     |  _________^
[INFO] [stderr] 867 | |         + i32::from(core && rh[6] >= n * 4 && rh[0] >= n))
[INFO] [stderr]     | |__________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 866 |          i32::from(core && rh[0] >= n * 4 && rh[6] >= n)
[INFO] [stderr] 867 |         + i32::from(core && rh[6] >= n * 4 && rh[0] >= n)
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: constant `QrCode_MIN_VERSION` should have an upper case name
[INFO] [stderr]    --> src/lib.rs:888:11
[INFO] [stderr]     |
[INFO] [stderr] 888 | pub const QrCode_MIN_VERSION: Version = Version( 1);
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `QR_CODE_MIN_VERSION`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `QrCode_MAX_VERSION` should have an upper case name
[INFO] [stderr]    --> src/lib.rs:891:11
[INFO] [stderr]     |
[INFO] [stderr] 891 | pub const QrCode_MAX_VERSION: Version = Version(40);
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `QR_CODE_MAX_VERSION`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/qrcodegen-ec4216f5ce75c949
[INFO] [stderr]    Doc-tests qrcodegen
[INFO] [stdout] 
[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 3 tests
[INFO] [stdout] test src/lib.rs -  (line 72) ... FAILED
[INFO] [stdout] test src/lib.rs -  (line 64) ... FAILED
[INFO] [stdout] test src/lib.rs -  (line 55) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs -  (line 72) stdout ----
[INFO] [stdout] error: unexpected token: `...`
[INFO] [stdout]  --> src/lib.rs:79:10
[INFO] [stdout]   |
[INFO] [stdout] 9 |         (... paint qr.get_module(x, y) ...)
[INFO] [stdout]   |          ^^^
[INFO] [stdout]   |
[INFO] [stdout] help: use `..` for an exclusive range
[INFO] [stdout]   |
[INFO] [stdout] 9 |         (.. paint qr.get_module(x, y) ...)
[INFO] [stdout]   |          ^^
[INFO] [stdout] help: or `..=` for an inclusive range
[INFO] [stdout]   |
[INFO] [stdout] 9 |         (..= paint qr.get_module(x, y) ...)
[INFO] [stdout]   |          ^^^
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `...`
[INFO] [stdout]  --> src/lib.rs:79:40
[INFO] [stdout]   |
[INFO] [stdout] 9 |         (... paint qr.get_module(x, y) ...)
[INFO] [stdout]   |                                        ^^^
[INFO] [stdout]   |
[INFO] [stdout] help: use `..` for an exclusive range
[INFO] [stdout]   |
[INFO] [stdout] 9 |         (... paint qr.get_module(x, y) ..)
[INFO] [stdout]   |                                        ^^
[INFO] [stdout] help: or `..=` for an inclusive range
[INFO] [stdout]   |
[INFO] [stdout] 9 |         (... paint qr.get_module(x, y) ..=)
[INFO] [stdout]   |                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0586]: inclusive range with no end
[INFO] [stdout]  --> src/lib.rs:79:40
[INFO] [stdout]   |
[INFO] [stdout] 9 |         (... paint qr.get_module(x, y) ...)
[INFO] [stdout]   |                                        ^^^ help: use `..` instead
[INFO] [stdout]   |
[INFO] [stdout]   = note: inclusive ranges must be bounded at the end (`..=b` or `a..=b`)
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `!`, `)`, `,`, `.`, `::`, `?`, `{`, or an operator, found `qr`
[INFO] [stdout]  --> src/lib.rs:79:20
[INFO] [stdout]   |
[INFO] [stdout] 9 |         (... paint qr.get_module(x, y) ...)
[INFO] [stdout]   |                   -^^ expected one of 8 possible tokens
[INFO] [stdout]   |                   |
[INFO] [stdout]   |                   help: missing `,`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `QrSegment`
[INFO] [stdout]  --> src/lib.rs:74:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | let segs = QrSegment::make_segments(&chrs);
[INFO] [stdout]   |            ^^^^^^^^^ use of undeclared type or module `QrSegment`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `QrCode`
[INFO] [stdout]  --> src/lib.rs:75:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | let qr = QrCode::encode_segments_advanced(
[INFO] [stdout]   |          ^^^^^^ use of undeclared type or module `QrCode`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `QrCodeEcc`
[INFO] [stdout]  --> src/lib.rs:76:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     &segs, QrCodeEcc::High, 5, 5, Some(Mask::new(2)), false).unwrap();
[INFO] [stdout]   |            ^^^^^^^^^ use of undeclared type or module `QrCodeEcc`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Mask`
[INFO] [stdout]  --> src/lib.rs:76:40
[INFO] [stdout]   |
[INFO] [stdout] 6 |     &segs, QrCodeEcc::High, 5, 5, Some(Mask::new(2)), false).unwrap();
[INFO] [stdout]   |                                        ^^^^ use of undeclared type or module `Mask`
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `paint` in this scope
[INFO] [stdout]  --> src/lib.rs:79:14
[INFO] [stdout]   |
[INFO] [stdout] 9 |         (... paint qr.get_module(x, y) ...)
[INFO] [stdout]   |              ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433, E0586.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs -  (line 64) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `QrCode`
[INFO] [stdout]  --> src/lib.rs:65:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | let qr = QrCode::encode_text("Hello, world!",
[INFO] [stdout]   |          ^^^^^^ use of undeclared type or module `QrCode`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `QrCodeEcc`
[INFO] [stdout]  --> src/lib.rs:66:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     QrCodeEcc::Medium).unwrap();
[INFO] [stdout]   |     ^^^^^^^^^ use of undeclared type or module `QrCodeEcc`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs -  (line 64)
[INFO] [stdout]     src/lib.rs -  (line 72)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "01d4993ce1f46f41cfe5e43b363a2858c2f909b67767e6c1854ad39dc81ef868"`
[INFO] running `"docker" "rm" "-f" "01d4993ce1f46f41cfe5e43b363a2858c2f909b67767e6c1854ad39dc81ef868"`
[INFO] [stdout] 01d4993ce1f46f41cfe5e43b363a2858c2f909b67767e6c1854ad39dc81ef868