[INFO] updating cached repository FauxFaux/pack2tri
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/FauxFaux/pack2tri
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/FauxFaux/pack2tri" "work/ex/beta-1.38-1/sources/1.37.0/gh/FauxFaux/pack2tri"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/FauxFaux/pack2tri'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/FauxFaux/pack2tri" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/FauxFaux/pack2tri"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/FauxFaux/pack2tri'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8ee91a83ed70e9644394e2023a6b9022982b01a6
[INFO] sha for GitHub repo FauxFaux/pack2tri: 8ee91a83ed70e9644394e2023a6b9022982b01a6
[INFO] validating manifest of FauxFaux/pack2tri on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of FauxFaux/pack2tri on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing FauxFaux/pack2tri
[INFO] finished frobbing FauxFaux/pack2tri
[INFO] frobbed toml for FauxFaux/pack2tri written to work/ex/beta-1.38-1/sources/1.37.0/gh/FauxFaux/pack2tri/Cargo.toml
[INFO] started frobbing FauxFaux/pack2tri
[INFO] finished frobbing FauxFaux/pack2tri
[INFO] frobbed toml for FauxFaux/pack2tri written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/FauxFaux/pack2tri/Cargo.toml
[INFO] crate FauxFaux/pack2tri already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing FauxFaux/pack2tri against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/FauxFaux/pack2tri:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] b5bc245fe75bd95a72545cf21ddb556777ab4c9ecd53080823607d9106e2fcf3
[INFO] running `"docker" "start" "-a" "b5bc245fe75bd95a72545cf21ddb556777ab4c9ecd53080823607d9106e2fcf3"`
[INFO] [stderr]    Compiling num-traits v0.1.37
[INFO] [stderr]    Compiling byteorder v0.4.2
[INFO] [stderr]    Compiling bit-vec v0.4.3
[INFO] [stderr]    Compiling byteorder v1.0.0
[INFO] [stderr]    Compiling argparse v0.2.1
[INFO] [stderr]    Compiling bit-set v0.4.0
[INFO] [stderr]    Compiling num-integer v0.1.33
[INFO] [stderr]    Compiling num-complex v0.1.36
[INFO] [stderr]    Compiling num-bigint v0.1.37
[INFO] [stderr]    Compiling num-iter v0.1.33
[INFO] [stderr]    Compiling num-rational v0.1.36
[INFO] [stderr]    Compiling num v0.1.37
[INFO] [stderr]    Compiling compress v0.1.2
[INFO] [stderr]    Compiling pack2tri v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0412]: cannot find type `CharsError` in module `io`
[INFO] [stderr]  --> src/bin/tri/mod.rs:8:40
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub type CharResult = Result<char, io::CharsError>;
[INFO] [stderr]   |                                        ^^^^^^^^^^ not found in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/bin/search.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(io)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/bin/search.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/bin/tri/mod.rs:12:13
[INFO] [stderr]    |
[INFO] [stderr] 12 |         'a' ... 'z' => (wut as u8 - 'a' as u8 + 'A' as u8) as char,
[INFO] [stderr]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/bin/tri/mod.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |         '(' ... '@' => 8 + (c as u8 - '(' as u8),
[INFO] [stderr]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/bin/tri/mod.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |         'A' ... 'I' => sym_end + (c as u8 - 'A' as u8),
[INFO] [stderr]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/bin/tri/mod.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |         'L' ... 'P' => sym_end + (c as u8 - 'A' as u8) - 2,
[INFO] [stderr]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/bin/tri/mod.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 42 |         'R' ... 'W' => sym_end + (c as u8 - 'A' as u8) - 3,
[INFO] [stderr]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/bin/tri/mod.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |         '{' ... '}' => 60 + (c as u8 - '{' as u8),
[INFO] [stderr]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/bin/tri/mod.rs:65:11
[INFO] [stderr]    |
[INFO] [stderr] 65 |         8 ... 32 => (wut - 8 + '(' as u8) as char,
[INFO] [stderr]    |           ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/bin/tri/mod.rs:66:12
[INFO] [stderr]    |
[INFO] [stderr] 66 |         33 ... 41 => (wut - 33 + 'a' as u8) as char,
[INFO] [stderr]    |            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/bin/tri/mod.rs:67:12
[INFO] [stderr]    |
[INFO] [stderr] 67 |         42 ... 46 => (wut - 42 + 'l' as u8) as char,
[INFO] [stderr]    |            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/bin/tri/mod.rs:68:12
[INFO] [stderr]    |
[INFO] [stderr] 68 |         47 ... 52 => (wut - 47 + 'r' as u8) as char,
[INFO] [stderr]    |            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/bin/tri/mod.rs:76:12
[INFO] [stderr]    |
[INFO] [stderr] 76 |         60 ... 62 => (wut - 60 + '{' as u8) as char,
[INFO] [stderr]    |            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `CharsError` in `io`
[INFO] [stderr]    --> src/bin/indexer.rs:208:56
[INFO] [stderr]     |
[INFO] [stderr] 208 |         let errors = decoder.map(|x| x.map_err(|_| io::CharsError::NotUtf8));
[INFO] [stderr]     |                                                        ^^^^^^^^^^ could not find `CharsError` in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `CharsError` in module `io`
[INFO] [stderr]  --> src/bin/tri/mod.rs:8:40
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub type CharResult = Result<char, io::CharsError>;
[INFO] [stderr]   |                                        ^^^^^^^^^^ not found in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `decode_utf8` in module `std::char`
[INFO] [stderr]    --> src/bin/indexer.rs:207:34
[INFO] [stderr]     |
[INFO] [stderr] 207 |         let decoder = std::char::decode_utf8(exploding);
[INFO] [stderr]     |                                  ^^^^^^^^^^^ help: a function with a similar name exists: `decode_utf16`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/bin/indexer.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(decode_utf8)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/bin/indexer.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(io)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/bin/tri/mod.rs:12:13
[INFO] [stderr]    |
[INFO] [stderr] 12 |         'a' ... 'z' => (wut as u8 - 'a' as u8 + 'A' as u8) as char,
[INFO] [stderr]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/bin/tri/mod.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |         '(' ... '@' => 8 + (c as u8 - '(' as u8),
[INFO] [stderr]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/bin/tri/mod.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |         'A' ... 'I' => sym_end + (c as u8 - 'A' as u8),
[INFO] [stderr]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/bin/tri/mod.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |         'L' ... 'P' => sym_end + (c as u8 - 'A' as u8) - 2,
[INFO] [stderr]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/bin/tri/mod.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 42 |         'R' ... 'W' => sym_end + (c as u8 - 'A' as u8) - 3,
[INFO] [stderr]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/bin/tri/mod.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |         '{' ... '}' => 60 + (c as u8 - '{' as u8),
[INFO] [stderr]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/bin/tri/mod.rs:65:11
[INFO] [stderr]    |
[INFO] [stderr] 65 |         8 ... 32 => (wut - 8 + '(' as u8) as char,
[INFO] [stderr]    |           ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/bin/tri/mod.rs:66:12
[INFO] [stderr]    |
[INFO] [stderr] 66 |         33 ... 41 => (wut - 33 + 'a' as u8) as char,
[INFO] [stderr]    |            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/bin/tri/mod.rs:67:12
[INFO] [stderr]    |
[INFO] [stderr] 67 |         42 ... 46 => (wut - 42 + 'l' as u8) as char,
[INFO] [stderr]    |            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/bin/tri/mod.rs:68:12
[INFO] [stderr]    |
[INFO] [stderr] 68 |         47 ... 52 => (wut - 47 + 'r' as u8) as char,
[INFO] [stderr]    |            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/bin/tri/mod.rs:76:12
[INFO] [stderr]    |
[INFO] [stderr] 76 |         60 ... 62 => (wut - 60 + '{' as u8) as char,
[INFO] [stderr]    |            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0412, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0412`.
[INFO] [stderr] error: Could not compile `pack2tri`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0599]: no method named `chars` found for type `std::fs::File` in the current scope
[INFO] [stderr]    --> src/bin/indexer.rs:240:45
[INFO] [stderr]     |
[INFO] [stderr] 240 |         let trigrams = tri::trigrams_for(fh.chars()).expect("trigramming must work");
[INFO] [stderr]     |                                             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0412, E0425, E0433, E0554, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0412`.
[INFO] [stderr] error: Could not compile `pack2tri`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b5bc245fe75bd95a72545cf21ddb556777ab4c9ecd53080823607d9106e2fcf3"`
[INFO] running `"docker" "rm" "-f" "b5bc245fe75bd95a72545cf21ddb556777ab4c9ecd53080823607d9106e2fcf3"`
[INFO] [stdout] b5bc245fe75bd95a72545cf21ddb556777ab4c9ecd53080823607d9106e2fcf3