[INFO] updating cached repository https://github.com/MrJohz/completist
[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] 2a120d8174c58ae85f87123844ae8988e39e9a47
[INFO] testing MrJohz/completist against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMrJohz%2Fcompletist" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MrJohz/completist on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/MrJohz/completist
[INFO] finished tweaking git repo https://github.com/MrJohz/completist
[INFO] tweaked toml for git repo https://github.com/MrJohz/completist written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/MrJohz/completist 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] [stderr] error: the lock file /workspace/builds/worker-14/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[INFO] the lockfile is outdated, regenerating it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" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 156a45381335bd19b85c38e529ff9940cf15cc802945b45cc4e75d9581752b46
[INFO] running `"docker" "start" "-a" "156a45381335bd19b85c38e529ff9940cf15cc802945b45cc4e75d9581752b46"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling toml v0.1.30
[INFO] [stderr]    Compiling completist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/completist/io.rs:14:22
[INFO] [stderr]    |
[INFO] [stderr] 14 |             Box::new(try!(File::open(path)))
[INFO] [stderr]    |                      ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/completist/io.rs:25:22
[INFO] [stderr]    |
[INFO] [stderr] 25 |             Box::new(try!(File::create(path)))
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/completist/program.rs:215:28
[INFO] [stderr]     |
[INFO] [stderr] 215 |         let base_command = try!(Command::from_toml(data).ok_or(()));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/completist/program.rs:217:20
[INFO] [stderr]     |
[INFO] [stderr] 217 |         let name = try!(data.get("name").ok_or(()));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/completist/program.rs:218:20
[INFO] [stderr]     |
[INFO] [stderr] 218 |         let name = try!(name.as_str().ok_or(()));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/completist/formatter.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |             try!(output.write_fmt(format_args!("# {}", line)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/completist/formatter.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |         try!(output.write_fmt(format_args!(r#"
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/completist/formatter.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |         try!(out.write_fmt(format_args!("complete -c '{}' ", prog.name)));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/completist/formatter.rs:54:9
[INFO] [stderr]    |
[INFO] [stderr] 54 |         try!(out.write_fmt(format_args!(" -n '__fish_at_level_{} {}' ",
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/completist/formatter.rs:61:13
[INFO] [stderr]    |
[INFO] [stderr] 61 |             try!(out.write_fmt(format_args!(" -s '{}' ", short)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/completist/formatter.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |             try!(out.write_fmt(format_args!(" -{} '{}' ",
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/completist/formatter.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |         try!(out.write_fmt(format_args!(" -d '{}' ", opt.description)));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/completist/mod.rs:34:20
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let toml = try!(parser.parse()
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/completist/mod.rs:38:20
[INFO] [stderr]    |
[INFO] [stderr] 38 |         let prog = try!(program::Program::from_toml(&toml)
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/completist/io.rs:7:32
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub type Input = BufReader<Box<Read>>;
[INFO] [stderr]   |                                ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/completist/io.rs:18:33
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub type Output = BufWriter<Box<Write>>;
[INFO] [stderr]    |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Argument`, `Command`
[INFO] [stderr]  --> src/completist/formatter.rs:6:36
[INFO] [stderr]   |
[INFO] [stderr] 6 | use completist::program::{Program, Command, Argument, Opt};
[INFO] [stderr]   |                                    ^^^^^^^  ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]  --> src/completist/program.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::slice::<impl [T]>::connect': renamed to join
[INFO] [stderr]   --> src/completist/formatter.rs:55:28
[INFO] [stderr]    |
[INFO] [stderr] 55 |             prog.name, lvl.connect(" "))));
[INFO] [stderr]    |                            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]  --> src/completist/program.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `out`
[INFO] [stderr]   --> src/completist/formatter.rs:77:39
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn write_opt_arguments(&self, out: &mut Output, opt: &Opt) -> FmtResult {
[INFO] [stderr]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_out`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `opt`
[INFO] [stderr]   --> src/completist/formatter.rs:77:57
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn write_opt_arguments(&self, out: &mut Output, opt: &Opt) -> FmtResult {
[INFO] [stderr]    |                                                         ^^^ help: if this is intentional, prefix it with an underscore: `_opt`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]   --> src/completist/program.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     name: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]    --> src/completist/program.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     name: String,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `kind`
[INFO] [stderr]    --> src/completist/program.rs:103:5
[INFO] [stderr]     |
[INFO] [stderr] 103 |     kind: OptKind,
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `optional`
[INFO] [stderr]    --> src/completist/program.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     optional: bool,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `base_command`
[INFO] [stderr]    --> src/completist/program.rs:203:5
[INFO] [stderr]     |
[INFO] [stderr] 203 |     base_command: Command,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 27 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.16s
[INFO] running `"docker" "inspect" "156a45381335bd19b85c38e529ff9940cf15cc802945b45cc4e75d9581752b46"`
[INFO] running `"docker" "rm" "-f" "156a45381335bd19b85c38e529ff9940cf15cc802945b45cc4e75d9581752b46"`
[INFO] [stdout] 156a45381335bd19b85c38e529ff9940cf15cc802945b45cc4e75d9581752b46
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stdout] f8f4c86e71e8e3cfdbce7458c7f09202050ffc70b818fb2df6ab7a6d88f064af
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "f8f4c86e71e8e3cfdbce7458c7f09202050ffc70b818fb2df6ab7a6d88f064af"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling completist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/completist/io.rs:14:22
[INFO] [stderr]    |
[INFO] [stderr] 14 |             Box::new(try!(File::open(path)))
[INFO] [stderr]    |                      ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/completist/io.rs:25:22
[INFO] [stderr]    |
[INFO] [stderr] 25 |             Box::new(try!(File::create(path)))
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/completist/program.rs:215:28
[INFO] [stderr]     |
[INFO] [stderr] 215 |         let base_command = try!(Command::from_toml(data).ok_or(()));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/completist/program.rs:217:20
[INFO] [stderr]     |
[INFO] [stderr] 217 |         let name = try!(data.get("name").ok_or(()));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/completist/program.rs:218:20
[INFO] [stderr]     |
[INFO] [stderr] 218 |         let name = try!(name.as_str().ok_or(()));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/completist/formatter.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |             try!(output.write_fmt(format_args!("# {}", line)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/completist/formatter.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |         try!(output.write_fmt(format_args!(r#"
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/completist/formatter.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |         try!(out.write_fmt(format_args!("complete -c '{}' ", prog.name)));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/completist/formatter.rs:54:9
[INFO] [stderr]    |
[INFO] [stderr] 54 |         try!(out.write_fmt(format_args!(" -n '__fish_at_level_{} {}' ",
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/completist/formatter.rs:61:13
[INFO] [stderr]    |
[INFO] [stderr] 61 |             try!(out.write_fmt(format_args!(" -s '{}' ", short)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/completist/formatter.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |             try!(out.write_fmt(format_args!(" -{} '{}' ",
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/completist/formatter.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |         try!(out.write_fmt(format_args!(" -d '{}' ", opt.description)));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/completist/mod.rs:34:20
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let toml = try!(parser.parse()
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/completist/mod.rs:38:20
[INFO] [stderr]    |
[INFO] [stderr] 38 |         let prog = try!(program::Program::from_toml(&toml)
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/completist/io.rs:7:32
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub type Input = BufReader<Box<Read>>;
[INFO] [stderr]   |                                ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/completist/io.rs:18:33
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub type Output = BufWriter<Box<Write>>;
[INFO] [stderr]    |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/completist/io.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Argument`, `Command`
[INFO] [stderr]  --> src/completist/formatter.rs:6:36
[INFO] [stderr]   |
[INFO] [stderr] 6 | use completist::program::{Program, Command, Argument, Opt};
[INFO] [stderr]   |                                    ^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]  --> src/completist/program.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::slice::<impl [T]>::connect': renamed to join
[INFO] [stderr]   --> src/completist/formatter.rs:55:28
[INFO] [stderr]    |
[INFO] [stderr] 55 |             prog.name, lvl.connect(" "))));
[INFO] [stderr]    |                            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]  --> src/completist/program.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `out`
[INFO] [stderr]   --> src/completist/formatter.rs:77:39
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn write_opt_arguments(&self, out: &mut Output, opt: &Opt) -> FmtResult {
[INFO] [stderr]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_out`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `opt`
[INFO] [stderr]   --> src/completist/formatter.rs:77:57
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn write_opt_arguments(&self, out: &mut Output, opt: &Opt) -> FmtResult {
[INFO] [stderr]    |                                                         ^^^ help: if this is intentional, prefix it with an underscore: `_opt`
[INFO] [stderr] 
[INFO] [stderr] warning: 23 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.50s
[INFO] running `"docker" "inspect" "f8f4c86e71e8e3cfdbce7458c7f09202050ffc70b818fb2df6ab7a6d88f064af"`
[INFO] running `"docker" "rm" "-f" "f8f4c86e71e8e3cfdbce7458c7f09202050ffc70b818fb2df6ab7a6d88f064af"`
[INFO] [stdout] f8f4c86e71e8e3cfdbce7458c7f09202050ffc70b818fb2df6ab7a6d88f064af
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] b5d9b694a4c0d38820f5f5b5287c15ca511386a7ebc49c09db23bc3dd57ab30c
[INFO] running `"docker" "start" "-a" "b5d9b694a4c0d38820f5f5b5287c15ca511386a7ebc49c09db23bc3dd57ab30c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/completist/io.rs:14:22
[INFO] [stderr]    |
[INFO] [stderr] 14 |             Box::new(try!(File::open(path)))
[INFO] [stderr]    |                      ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/completist/io.rs:25:22
[INFO] [stderr]    |
[INFO] [stderr] 25 |             Box::new(try!(File::create(path)))
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/completist/program.rs:215:28
[INFO] [stderr]     |
[INFO] [stderr] 215 |         let base_command = try!(Command::from_toml(data).ok_or(()));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/completist/program.rs:217:20
[INFO] [stderr]     |
[INFO] [stderr] 217 |         let name = try!(data.get("name").ok_or(()));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/completist/program.rs:218:20
[INFO] [stderr]     |
[INFO] [stderr] 218 |         let name = try!(name.as_str().ok_or(()));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/completist/formatter.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |             try!(output.write_fmt(format_args!("# {}", line)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/completist/formatter.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |         try!(output.write_fmt(format_args!(r#"
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/completist/formatter.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |         try!(out.write_fmt(format_args!("complete -c '{}' ", prog.name)));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/completist/formatter.rs:54:9
[INFO] [stderr]    |
[INFO] [stderr] 54 |         try!(out.write_fmt(format_args!(" -n '__fish_at_level_{} {}' ",
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/completist/formatter.rs:61:13
[INFO] [stderr]    |
[INFO] [stderr] 61 |             try!(out.write_fmt(format_args!(" -s '{}' ", short)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/completist/formatter.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |             try!(out.write_fmt(format_args!(" -{} '{}' ",
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/completist/formatter.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |         try!(out.write_fmt(format_args!(" -d '{}' ", opt.description)));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/completist/mod.rs:34:20
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let toml = try!(parser.parse()
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/completist/mod.rs:38:20
[INFO] [stderr]    |
[INFO] [stderr] 38 |         let prog = try!(program::Program::from_toml(&toml)
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/completist/io.rs:7:32
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub type Input = BufReader<Box<Read>>;
[INFO] [stderr]   |                                ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/completist/io.rs:18:33
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub type Output = BufWriter<Box<Write>>;
[INFO] [stderr]    |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/completist/io.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Argument`, `Command`
[INFO] [stderr]  --> src/completist/formatter.rs:6:36
[INFO] [stderr]   |
[INFO] [stderr] 6 | use completist::program::{Program, Command, Argument, Opt};
[INFO] [stderr]   |                                    ^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]  --> src/completist/program.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::slice::<impl [T]>::connect': renamed to join
[INFO] [stderr]   --> src/completist/formatter.rs:55:28
[INFO] [stderr]    |
[INFO] [stderr] 55 |             prog.name, lvl.connect(" "))));
[INFO] [stderr]    |                            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]  --> src/completist/program.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `out`
[INFO] [stderr]   --> src/completist/formatter.rs:77:39
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn write_opt_arguments(&self, out: &mut Output, opt: &Opt) -> FmtResult {
[INFO] [stderr]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_out`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `opt`
[INFO] [stderr]   --> src/completist/formatter.rs:77:57
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn write_opt_arguments(&self, out: &mut Output, opt: &Opt) -> FmtResult {
[INFO] [stderr]    |                                                         ^^^ help: if this is intentional, prefix it with an underscore: `_opt`
[INFO] [stderr] 
[INFO] [stderr] warning: 23 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/completist-08953506ab2e2fb5
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test completist::formatter::tests::builder::update_extensions ... ok
[INFO] [stdout] test completist::formatter::tests::formatter::matches_extension ... ok
[INFO] [stdout] test completist::formatter::tests::builder::construct_builder ... ok
[INFO] [stdout] test completist::formatter::tests::builder::build_extensions ... ok
[INFO] [stdout] test completist::program::tests::normalise_options ... ok
[INFO] [stdout] test completist::tests::create_completist ... ok
[INFO] [stdout] test completist::utils::tests::test_normalise_extension ... ok
[INFO] [stdout] test completist::tests::parse_string ... ok
[INFO] [stdout] test completist::program::tests::create_program ... ok
[INFO] [stdout] test completist::program::tests::create_program_with_options ... ok
[INFO] [stdout] test completist::tests::add_formatter ... ok
[INFO] [stdout] test completist::program::tests::create_program_with_subcommands ... ok
[INFO] [stdout] test completist::program::tests::create_program_with_arguments ... ok
[INFO] [stdout] test completist::program::tests::different_argkinds ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b5d9b694a4c0d38820f5f5b5287c15ca511386a7ebc49c09db23bc3dd57ab30c"`
[INFO] running `"docker" "rm" "-f" "b5d9b694a4c0d38820f5f5b5287c15ca511386a7ebc49c09db23bc3dd57ab30c"`
[INFO] [stdout] b5d9b694a4c0d38820f5f5b5287c15ca511386a7ebc49c09db23bc3dd57ab30c