[INFO] cloning 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" "clone" "--bare" "https://github.com/andrew-d/lstrings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrew-d%2Flstrings", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrew-d%2Flstrings'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c2d63cee581a94ae9e67cf4aa5e80f855d50ee00
[INFO] checking andrew-d/lstrings against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[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 af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "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" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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[INFO] the lockfile is outdated, regenerating it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" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "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" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fern v0.3.5
[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" "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" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c9de550b196c645d52d4470c48934e0f8015914f64f3cb29899cf132753b1f0
[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" "8c9de550b196c645d52d4470c48934e0f8015914f64f3cb29899cf132753b1f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c9de550b196c645d52d4470c48934e0f8015914f64f3cb29899cf132753b1f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c9de550b196c645d52d4470c48934e0f8015914f64f3cb29899cf132753b1f0", kill_on_drop: false }`
[INFO] [stdout] 8c9de550b196c645d52d4470c48934e0f8015914f64f3cb29899cf132753b1f0
[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" "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" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48f3fb7b9db0d90d343e4c23ec85b4e997b18de0822f1da5f8ebc3c486f58de7
[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" "48f3fb7b9db0d90d343e4c23ec85b4e997b18de0822f1da5f8ebc3c486f58de7", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking mmap v0.1.1 (https://github.com/retep998/rust-mmap?rev=4617dd0901d6899faebfbc427714b89fcb889880#4617dd09)
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking fern v0.3.5
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking lstrings v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `bincode::SizeLimit`
[INFO] [stdout]   --> examples/make_bigram_map.rs:15:15
[INFO] [stdout]    |
[INFO] [stdout] 15 | use bincode::{SizeLimit};
[INFO] [stdout]    |               ^^^^^^^^^ no `SizeLimit` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `bincode::rustc_serialize`
[INFO] [stdout]   --> examples/make_bigram_map.rs:16:14
[INFO] [stdout]    |
[INFO] [stdout] 16 | use bincode::rustc_serialize::encode;
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^ could not find `rustc_serialize` in `bincode`
[INFO] [stdout] 
[INFO] [stdout] 
[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[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: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this 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] [stderr] warning: build failed, waiting for other jobs to finish...
[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] 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] 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[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: aborting due to 7 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[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: use of deprecated associated function `std::f64::<impl f64>::abs_sub`: you probably meant `(self - other).abs()`: this operation is `(self - other).max(0.0)` except that `abs_sub` also propagates NaNs (also known as `fdim` in C). If you truly need the positive difference, consider using that expression or the C function `fdim`, depending on how you wish to handle NaN (please consider filing an issue describing your use-case too).
[INFO] [stdout]    --> src/bigram.rs:101:34
[INFO] [stdout]     |
[INFO] [stdout] 101 |     assert!(bg1.similarity(&bg2).abs_sub(1.0) < 1e-10);
[INFO] [stdout]     |                                  ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[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 7 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "48f3fb7b9db0d90d343e4c23ec85b4e997b18de0822f1da5f8ebc3c486f58de7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48f3fb7b9db0d90d343e4c23ec85b4e997b18de0822f1da5f8ebc3c486f58de7", kill_on_drop: false }`
[INFO] [stdout] 48f3fb7b9db0d90d343e4c23ec85b4e997b18de0822f1da5f8ebc3c486f58de7
