[INFO] updating cached repository https://github.com/woowe/gen_redirects
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0c4ffbd3eb38e4136b3e3d048802faa6329ed504
[INFO] testing woowe/gen_redirects against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoowe%2Fgen_redirects" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/woowe/gen_redirects on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/woowe/gen_redirects
[INFO] finished tweaking git repo https://github.com/woowe/gen_redirects
[INFO] tweaked toml for git repo https://github.com/woowe/gen_redirects written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/woowe/gen_redirects already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2020-06-03" "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] c22592b56785847349b58f52316ba08d039b1bbe26ca3b08f569bf4172bf0a4e
[INFO] running `"docker" "start" "-a" "c22592b56785847349b58f52316ba08d039b1bbe26ca3b08f569bf4172bf0a4e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling rc v0.1.1
[INFO] [stderr]    Compiling standback v0.2.9
[INFO] [stderr]    Compiling time v0.2.16
[INFO] [stderr]    Compiling curl-sys v0.1.35
[INFO] [stderr]    Compiling debug_unreachable v0.0.6
[INFO] [stderr]    Compiling tendril v0.1.6
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache_shared v0.1.12
[INFO] [stderr]    Compiling string_cache v0.2.29
[INFO] [stderr]    Compiling html5ever v0.2.11
[INFO] [stderr]    Compiling string_cache v0.1.17
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling time-macros v0.1.0
[INFO] [stderr]    Compiling curl v0.2.19
[INFO] [stderr]    Compiling gen_redirects v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `html5ever::tokenizer::Attribute`
[INFO] [stderr]   --> src/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use html5ever::tokenizer::Attribute;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tendril::fmt::UTF8`
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use tendril::fmt::UTF8;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:100:36
[INFO] [stderr]     |
[INFO] [stderr] 100 |                 assert!(name.ns == ns!(html));
[INFO] [stderr]     |                                    ^^^^^^^^^ expected struct `string_cache::namespace::Namespace`, found struct `string_cache::Namespace`
[INFO] [stderr]     |
[INFO] [stderr]     = note: perhaps two different versions of crate `string_cache` are being used?
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for struct `string_cache::atom::Atom` in the current scope
[INFO] [stderr]    --> src/main.rs:101:31
[INFO] [stderr]     |
[INFO] [stderr] 101 |                 if name.local.as_slice() == "a" {
[INFO] [stderr]     |                               ^^^^^^^^ method not found in `string_cache::atom::Atom`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for struct `string_cache::atom::Atom` in the current scope
[INFO] [stderr]    --> src/main.rs:102:79
[INFO] [stderr]     |
[INFO] [stderr] 102 |                     let mut href_attr = attrs.iter().filter(|&x| x.name.local.as_slice() == "href").collect::<Vec<_>>();
[INFO] [stderr]     |                                                                               ^^^^^^^^ method not found in `string_cache::atom::Atom`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors; 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `gen_redirects`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c22592b56785847349b58f52316ba08d039b1bbe26ca3b08f569bf4172bf0a4e"`
[INFO] running `"docker" "rm" "-f" "c22592b56785847349b58f52316ba08d039b1bbe26ca3b08f569bf4172bf0a4e"`
[INFO] [stdout] c22592b56785847349b58f52316ba08d039b1bbe26ca3b08f569bf4172bf0a4e