[INFO] updating cached repository https://github.com/andrew-d/lstrings
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c2d63cee581a94ae9e67cf4aa5e80f855d50ee00
[INFO] testing andrew-d/lstrings against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrew-d%2Flstrings" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andrew-d/lstrings on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andrew-d/lstrings
[INFO] finished tweaking git repo https://github.com/andrew-d/lstrings
[INFO] tweaked toml for git repo https://github.com/andrew-d/lstrings written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/andrew-d/lstrings already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/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[INFO] the lockfile is outdated, regenerating it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 `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/retep998/rust-mmap`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e723e83dc827607d301ca27cbed0e8cbada2ea7995171e4c6113359c331c93ba
[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" "e723e83dc827607d301ca27cbed0e8cbada2ea7995171e4c6113359c331c93ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e723e83dc827607d301ca27cbed0e8cbada2ea7995171e4c6113359c331c93ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e723e83dc827607d301ca27cbed0e8cbada2ea7995171e4c6113359c331c93ba", kill_on_drop: false }`
[INFO] [stdout] e723e83dc827607d301ca27cbed0e8cbada2ea7995171e4c6113359c331c93ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", 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] 32f15367ba7d4c569cee9ee01190e447bd03ccaa132eff80ae205bbd409ef576
[INFO] running `Command { std: "docker" "start" "-a" "32f15367ba7d4c569cee9ee01190e447bd03ccaa132eff80ae205bbd409ef576", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling libc v0.1.12
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling bincode v1.3.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling mmap v0.1.1 (https://github.com/retep998/rust-mmap?rev=4617dd0901d6899faebfbc427714b89fcb889880#4617dd09)
[INFO] [stderr]    Compiling clap v2.33.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling fern v0.3.5
[INFO] [stderr]    Compiling lstrings v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `bincode::rustc_serialize`
[INFO] [stdout]   --> src/main.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 | use bincode::rustc_serialize::decode;
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^ could not find `rustc_serialize` in `bincode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(vec_resize)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `sort_by` found for struct `std::vec::IntoIter<FoundString>` in the current scope
[INFO] [stdout]    --> src/main.rs:234:58
[INFO] [stdout]     |
[INFO] [stdout] 234 |             (Address, Ascending)  => results.into_iter().sort_by(|a, b| Ord::cmp(&a.start(), &b.start())),
[INFO] [stdout]     |                                                          ^^^^^^^ method not found in `std::vec::IntoIter<FoundString>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `sort_by` found for struct `std::vec::IntoIter<FoundString>` in the current scope
[INFO] [stdout]    --> src/main.rs:235:58
[INFO] [stdout]     |
[INFO] [stdout] 235 |             (Address, Descending) => results.into_iter().sort_by(|a, b| Ord::cmp(&b.start(), &a.start())),
[INFO] [stdout]     |                                                          ^^^^^^^ method not found in `std::vec::IntoIter<FoundString>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `sort_by` found for struct `std::vec::IntoIter<FoundString>` in the current scope
[INFO] [stdout]    --> src/main.rs:236:58
[INFO] [stdout]     |
[INFO] [stdout] 236 |             (Length,  Ascending)  => results.into_iter().sort_by(|a, b| Ord::cmp(&a.len(), &b.len())),
[INFO] [stdout]     |                                                          ^^^^^^^ method not found in `std::vec::IntoIter<FoundString>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `sort_by` found for struct `std::vec::IntoIter<FoundString>` in the current scope
[INFO] [stdout]    --> src/main.rs:237:58
[INFO] [stdout]     |
[INFO] [stdout] 237 |             (Length,  Descending) => results.into_iter().sort_by(|a, b| Ord::cmp(&b.len(), &a.len())),
[INFO] [stdout]     |                                                          ^^^^^^^ method not found in `std::vec::IntoIter<FoundString>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `sort_by` found for struct `std::vec::IntoIter<(f64, FoundString)>` in the current scope
[INFO] [stdout]    --> src/main.rs:300:14
[INFO] [stdout]     |
[INFO] [stdout] 300 |             .sort_by(|a, b| PartialOrd::partial_cmp(&a.0, &b.0).unwrap()),
[INFO] [stdout]     |              ^^^^^^^ method not found in `std::vec::IntoIter<(f64, FoundString)>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `sort_by` found for struct `std::vec::IntoIter<(f64, FoundString)>` in the current scope
[INFO] [stdout]    --> src/main.rs:303:14
[INFO] [stdout]     |
[INFO] [stdout] 303 |             .sort_by(|a, b| PartialOrd::partial_cmp(&b.0, &a.0).unwrap()),
[INFO] [stdout]     |              ^^^^^^^ method not found in `std::vec::IntoIter<(f64, FoundString)>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use itertools::Itertools;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lstrings`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "32f15367ba7d4c569cee9ee01190e447bd03ccaa132eff80ae205bbd409ef576", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32f15367ba7d4c569cee9ee01190e447bd03ccaa132eff80ae205bbd409ef576", kill_on_drop: false }`
[INFO] [stdout] 32f15367ba7d4c569cee9ee01190e447bd03ccaa132eff80ae205bbd409ef576