[INFO] updating cached repository https://github.com/nejucomo/sappho-on-rust
[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] d771023fcdea57ed965a67d91ba1805b291b74ae
[INFO] checking nejucomo/sappho-on-rust against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnejucomo%2Fsappho-on-rust" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nejucomo/sappho-on-rust on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/nejucomo/sappho-on-rust
[INFO] finished tweaking git repo https://github.com/nejucomo/sappho-on-rust
[INFO] tweaked toml for git repo https://github.com/nejucomo/sappho-on-rust written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/nejucomo/sappho-on-rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ba62efd6b4b2691a1448ff437cde34c99cabed52e7a97d88391640e17de7f917
[INFO] running `"docker" "start" "-a" "ba62efd6b4b2691a1448ff437cde34c99cabed52e7a97d88391640e17de7f917"`
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling syn v0.14.7
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking combine v2.5.2
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling failure v0.1.2
[INFO] [stderr]    Compiling include_dir_impl v0.2.1
[INFO] [stderr]     Checking include_dir v0.2.1
[INFO] [stderr]     Checking sappho-on-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/value/number.rs:82:17
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 try!(write!(f, "{}", digs));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/main.rs:1:9
[INFO] [stderr]    |
[INFO] [stderr] 1  | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/value/number.rs:84:21
[INFO] [stderr]    |
[INFO] [stderr] 84 |                     try!(write!(f, "0"));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/value/number.rs:99:21
[INFO] [stderr]    |
[INFO] [stderr] 99 |                     try!(write!(f, "{}0.", signprefix));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/value/number.rs:101:25
[INFO] [stderr]     |
[INFO] [stderr] 101 |                         try!(write!(f, "0"));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `Parser` is imported redundantly
[INFO] [stderr]  --> src/parser/atom/boolean.rs:5:26
[INFO] [stderr]   |
[INFO] [stderr] 1 | use combine::Parser;
[INFO] [stderr]   |     --------------- the item `Parser` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 5 |     use combine::{value, Parser};
[INFO] [stderr]   |                          ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]  --> src/main.rs:1:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![deny(warnings)]
[INFO] [stderr]   |         ^^^^^^^^
[INFO] [stderr]   = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: the item `Parser` is imported redundantly
[INFO] [stderr]  --> src/parser/atom/identifier.rs:8:27
[INFO] [stderr]   |
[INFO] [stderr] 2 | use combine::Parser;
[INFO] [stderr]   |     --------------- the item `Parser` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 8 |     use combine::{parser, Parser};
[INFO] [stderr]   |                           ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `Parser` is imported redundantly
[INFO] [stderr]   --> src/parser/atom/identifier.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 2  | use combine::Parser;
[INFO] [stderr]    |     --------------- the item `Parser` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 44 |     use combine::Parser;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `Symbol` is imported redundantly
[INFO] [stderr]   --> src/parser/atom/identifier.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 3  | use value::Symbol;
[INFO] [stderr]    |     ------------- the item `Symbol` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 45 |     use value::Symbol;
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `Parser` is imported redundantly
[INFO] [stderr]   --> src/parser/atom/number.rs:24:24
[INFO] [stderr]    |
[INFO] [stderr] 1  | use combine::Parser;
[INFO] [stderr]    |     --------------- the item `Parser` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 24 |     use combine::{try, Parser};
[INFO] [stderr]    |                        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `Parser` is imported redundantly
[INFO] [stderr]   --> src/parser/atom/number.rs:31:35
[INFO] [stderr]    |
[INFO] [stderr] 1  | use combine::Parser;
[INFO] [stderr]    |     --------------- the item `Parser` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 31 |     use combine::{many1, satisfy, Parser};
[INFO] [stderr]    |                                   ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `Parser` is imported redundantly
[INFO] [stderr]   --> src/parser/atom/number.rs:44:41
[INFO] [stderr]    |
[INFO] [stderr] 1  | use combine::Parser;
[INFO] [stderr]    |     --------------- the item `Parser` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 44 |     use combine::{many1, optional, try, Parser};
[INFO] [stderr]    |                                         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `BigInt` is imported redundantly
[INFO] [stderr]   --> src/parser/atom/number.rs:55:27
[INFO] [stderr]    |
[INFO] [stderr] 2  | use num::{BigInt, Num};
[INFO] [stderr]    |           ------ the item `BigInt` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 55 |                 use num::{BigInt, Num, ToPrimitive};
[INFO] [stderr]    |                           ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `Num` is imported redundantly
[INFO] [stderr]   --> src/parser/atom/number.rs:55:35
[INFO] [stderr]    |
[INFO] [stderr] 2  | use num::{BigInt, Num};
[INFO] [stderr]    |                   --- the item `Num` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 55 |                 use num::{BigInt, Num, ToPrimitive};
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `Parser` is imported redundantly
[INFO] [stderr]  --> src/parser/atom/text.rs:6:28
[INFO] [stderr]   |
[INFO] [stderr] 1 | use combine::{ParseResult, Parser, Stream};
[INFO] [stderr]   |                            ------ the item `Parser` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 6 |     use combine::{between, Parser};
[INFO] [stderr]   |                            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `Parser` is imported redundantly
[INFO] [stderr]   --> src/parser/atom/text.rs:17:34
[INFO] [stderr]    |
[INFO] [stderr] 1  | use combine::{ParseResult, Parser, Stream};
[INFO] [stderr]    |                            ------ the item `Parser` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 17 |     use combine::{between, many, Parser};
[INFO] [stderr]    |                                  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `boolean` is imported redundantly
[INFO] [stderr]   --> src/parser/atom/mod.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 6  | pub use self::boolean::boolean;
[INFO] [stderr]    |         ---------------------- the item `boolean` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 15 |     use self::boolean::boolean;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `symbol` is imported redundantly
[INFO] [stderr]   --> src/parser/atom/mod.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 7  | pub use self::identifier::{identifier, symbol};
[INFO] [stderr]    |                                        ------ the item `symbol` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 16 |     use self::identifier::symbol;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `number` is imported redundantly
[INFO] [stderr]   --> src/parser/atom/mod.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 8  | pub use self::number::number;
[INFO] [stderr]    |         -------------------- the item `number` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 17 |     use self::number::number;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `character` is imported redundantly
[INFO] [stderr]   --> src/parser/atom/mod.rs:18:22
[INFO] [stderr]    |
[INFO] [stderr] 9  | pub use self::text::{character, text};
[INFO] [stderr]    |                      --------- the item `character` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 18 |     use self::text::{character, text};
[INFO] [stderr]    |                      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `text` is imported redundantly
[INFO] [stderr]   --> src/parser/atom/mod.rs:18:33
[INFO] [stderr]    |
[INFO] [stderr] 9  | pub use self::text::{character, text};
[INFO] [stderr]    |                                 ---- the item `text` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 18 |     use self::text::{character, text};
[INFO] [stderr]    |                                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `Parser` is imported redundantly
[INFO] [stderr]   --> src/parser/common/space.rs:41:26
[INFO] [stderr]    |
[INFO] [stderr] 2  | use combine::Parser;
[INFO] [stderr]    |     --------------- the item `Parser` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 41 |     use combine::{many1, Parser};
[INFO] [stderr]    |                          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `Parser` is imported redundantly
[INFO] [stderr]   --> src/parser/common/space.rs:55:25
[INFO] [stderr]    |
[INFO] [stderr] 2  | use combine::Parser;
[INFO] [stderr]    |     --------------- the item `Parser` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 55 |     use combine::{many, Parser};
[INFO] [stderr]    |                         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `Parser` is imported redundantly
[INFO] [stderr]   --> src/parser/expr/compound.rs:75:9
[INFO] [stderr]    |
[INFO] [stderr] 2  | use combine::Parser;
[INFO] [stderr]    |     --------------- the item `Parser` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 75 |     use combine::Parser;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `Parser` is imported redundantly
[INFO] [stderr]    --> src/parser/expr/compound.rs:127:31
[INFO] [stderr]     |
[INFO] [stderr] 2   | use combine::Parser;
[INFO] [stderr]     |     --------------- the item `Parser` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 127 |     use combine::{sep_end_by, Parser};
[INFO] [stderr]     |                               ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `Parser` is imported redundantly
[INFO] [stderr]  --> src/parser/expr/lambda.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 2 | use combine::Parser;
[INFO] [stderr]   |     --------------- the item `Parser` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 8 |     use combine::Parser;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `Parser` is imported redundantly
[INFO] [stderr]   --> src/parser/expr/lambda.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 2  | use combine::Parser;
[INFO] [stderr]    |     --------------- the item `Parser` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 19 |     use combine::Parser;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `Parser` is imported redundantly
[INFO] [stderr]   --> src/parser/expr/lambda.rs:34:36
[INFO] [stderr]    |
[INFO] [stderr] 2  | use combine::Parser;
[INFO] [stderr]    |     --------------- the item `Parser` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 34 |     use combine::{optional, value, Parser};
[INFO] [stderr]    |                                    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `FunctionDefinition` is imported redundantly
[INFO] [stderr]    --> src/parser/expr/lambda.rs:100:9
[INFO] [stderr]     |
[INFO] [stderr] 1   | use ast::{Expr, FunctionDefinition, LambdaDefinition, ProcDefinition, QueryDefinition};
[INFO] [stderr]     |                 ------------------ the item `FunctionDefinition` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 100 |     use ast::FunctionDefinition;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `Parser` is imported redundantly
[INFO] [stderr]    --> src/parser/expr/lambda.rs:103:26
[INFO] [stderr]     |
[INFO] [stderr] 2   | use combine::Parser;
[INFO] [stderr]     |     --------------- the item `Parser` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 103 |     use combine::{value, Parser};
[INFO] [stderr]     |                          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `QueryDefinition` is imported redundantly
[INFO] [stderr]    --> src/parser/expr/lambda.rs:122:9
[INFO] [stderr]     |
[INFO] [stderr] 1   | use ast::{Expr, FunctionDefinition, LambdaDefinition, ProcDefinition, QueryDefinition};
[INFO] [stderr]     |                                                                       --------------- the item `QueryDefinition` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 122 |     use ast::QueryDefinition;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `Parser` is imported redundantly
[INFO] [stderr]    --> src/parser/expr/lambda.rs:123:9
[INFO] [stderr]     |
[INFO] [stderr] 2   | use combine::Parser;
[INFO] [stderr]     |     --------------- the item `Parser` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 123 |     use combine::Parser;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `ProcDefinition` is imported redundantly
[INFO] [stderr]    --> src/parser/expr/lambda.rs:134:9
[INFO] [stderr]     |
[INFO] [stderr] 1   | use ast::{Expr, FunctionDefinition, LambdaDefinition, ProcDefinition, QueryDefinition};
[INFO] [stderr]     |                                                       -------------- the item `ProcDefinition` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 134 |     use ast::ProcDefinition;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `Parser` is imported redundantly
[INFO] [stderr]    --> src/parser/expr/lambda.rs:135:36
[INFO] [stderr]     |
[INFO] [stderr] 2   | use combine::Parser;
[INFO] [stderr]     |     --------------- the item `Parser` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 135 |     use combine::{optional, value, Parser};
[INFO] [stderr]     |                                    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: unnecessary parentheses around type
[INFO] [stderr]   --> src/parser/expr/scopecheck.rs:66:15
[INFO] [stderr]    |
[INFO] [stderr] 66 |         pos: <(&str) as StreamOnce>::Position,
[INFO] [stderr]    |               ^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/main.rs:1:9
[INFO] [stderr]    |
[INFO] [stderr] 1  | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[deny(unused_parens)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: the item `ParseError` is imported redundantly
[INFO] [stderr]    --> src/parser/expr/scopecheck.rs:122:9
[INFO] [stderr]     |
[INFO] [stderr] 2   | use combine::{ParseError, Parser, StreamOnce};
[INFO] [stderr]     |               ---------- the item `ParseError` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 122 |     use combine::ParseError;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `Zero` is imported redundantly
[INFO] [stderr]   --> src/value/number.rs:75:13
[INFO] [stderr]    |
[INFO] [stderr] 1  | use num::{BigInt, FromPrimitive, Zero};
[INFO] [stderr]    |                                  ---- the item `Zero` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 75 |         use num::Zero;
[INFO] [stderr]    |             ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 36 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `sappho-on-rust`.
[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] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/value/number.rs:82:17
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 try!(write!(f, "{}", digs));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/main.rs:1:9
[INFO] [stderr]    |
[INFO] [stderr] 1  | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/value/number.rs:84:21
[INFO] [stderr]    |
[INFO] [stderr] 84 |                     try!(write!(f, "0"));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/value/number.rs:99:21
[INFO] [stderr]    |
[INFO] [stderr] 99 |                     try!(write!(f, "{}0.", signprefix));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/value/number.rs:101:25
[INFO] [stderr]     |
[INFO] [stderr] 101 |                         try!(write!(f, "0"));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `Write` is imported redundantly
[INFO] [stderr]   --> src/parser/testutils.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 3  | use std::fmt::{Debug, Error, Write};
[INFO] [stderr]    |                              ----- the item `Write` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 48 |     use std::fmt::Write;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/main.rs:1:9
[INFO] [stderr]    |
[INFO] [stderr] 1  | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: the item `Parser` is imported redundantly
[INFO] [stderr]    --> src/parser/testutils.rs:150:24
[INFO] [stderr]     |
[INFO] [stderr] 1   | use combine::{ParseError, Parser};
[INFO] [stderr]     |                           ------ the item `Parser` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 150 |     use combine::{eof, Parser};
[INFO] [stderr]     |                        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `Parser` is imported redundantly
[INFO] [stderr]  --> src/parser/atom/boolean.rs:5:26
[INFO] [stderr]   |
[INFO] [stderr] 1 | use combine::Parser;
[INFO] [stderr]   |     --------------- the item `Parser` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 5 |     use combine::{value, Parser};
[INFO] [stderr]   |                          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `Parser` is imported redundantly
[INFO] [stderr]  --> src/parser/atom/identifier.rs:8:27
[INFO] [stderr]   |
[INFO] [stderr] 2 | use combine::Parser;
[INFO] [stderr]   |     --------------- the item `Parser` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 8 |     use combine::{parser, Parser};
[INFO] [stderr]   |                           ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `Parser` is imported redundantly
[INFO] [stderr]   --> src/parser/atom/identifier.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 2  | use combine::Parser;
[INFO] [stderr]    |     --------------- the item `Parser` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 44 |     use combine::Parser;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `Symbol` is imported redundantly
[INFO] [stderr]   --> src/parser/atom/identifier.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 3  | use value::Symbol;
[INFO] [stderr]    |     ------------- the item `Symbol` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 45 |     use value::Symbol;
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `Parser` is imported redundantly
[INFO] [stderr]   --> src/parser/atom/number.rs:24:24
[INFO] [stderr]    |
[INFO] [stderr] 1  | use combine::Parser;
[INFO] [stderr]    |     --------------- the item `Parser` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 24 |     use combine::{try, Parser};
[INFO] [stderr]    |                        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `Parser` is imported redundantly
[INFO] [stderr]   --> src/parser/atom/number.rs:31:35
[INFO] [stderr]    |
[INFO] [stderr] 1  | use combine::Parser;
[INFO] [stderr]    |     --------------- the item `Parser` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 31 |     use combine::{many1, satisfy, Parser};
[INFO] [stderr]    |                                   ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `Parser` is imported redundantly
[INFO] [stderr]   --> src/parser/atom/number.rs:44:41
[INFO] [stderr]    |
[INFO] [stderr] 1  | use combine::Parser;
[INFO] [stderr]    |     --------------- the item `Parser` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 44 |     use combine::{many1, optional, try, Parser};
[INFO] [stderr]    |                                         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `BigInt` is imported redundantly
[INFO] [stderr]   --> src/parser/atom/number.rs:55:27
[INFO] [stderr]    |
[INFO] [stderr] 2  | use num::{BigInt, Num};
[INFO] [stderr]    |           ------ the item `BigInt` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 55 |                 use num::{BigInt, Num, ToPrimitive};
[INFO] [stderr]    |                           ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `Num` is imported redundantly
[INFO] [stderr]   --> src/parser/atom/number.rs:55:35
[INFO] [stderr]    |
[INFO] [stderr] 2  | use num::{BigInt, Num};
[INFO] [stderr]    |                   --- the item `Num` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 55 |                 use num::{BigInt, Num, ToPrimitive};
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `Parser` is imported redundantly
[INFO] [stderr]  --> src/parser/atom/text.rs:6:28
[INFO] [stderr]   |
[INFO] [stderr] 1 | use combine::{ParseResult, Parser, Stream};
[INFO] [stderr]   |                            ------ the item `Parser` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 6 |     use combine::{between, Parser};
[INFO] [stderr]   |                            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `Parser` is imported redundantly
[INFO] [stderr]   --> src/parser/atom/text.rs:17:34
[INFO] [stderr]    |
[INFO] [stderr] 1  | use combine::{ParseResult, Parser, Stream};
[INFO] [stderr]    |                            ------ the item `Parser` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 17 |     use combine::{between, many, Parser};
[INFO] [stderr]    |                                  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `boolean` is imported redundantly
[INFO] [stderr]   --> src/parser/atom/mod.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 6  | pub use self::boolean::boolean;
[INFO] [stderr]    |         ---------------------- the item `boolean` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 15 |     use self::boolean::boolean;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `symbol` is imported redundantly
[INFO] [stderr]   --> src/parser/atom/mod.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 7  | pub use self::identifier::{identifier, symbol};
[INFO] [stderr]    |                                        ------ the item `symbol` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 16 |     use self::identifier::symbol;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `number` is imported redundantly
[INFO] [stderr]   --> src/parser/atom/mod.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 8  | pub use self::number::number;
[INFO] [stderr]    |         -------------------- the item `number` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 17 |     use self::number::number;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `character` is imported redundantly
[INFO] [stderr]   --> src/parser/atom/mod.rs:18:22
[INFO] [stderr]    |
[INFO] [stderr] 9  | pub use self::text::{character, text};
[INFO] [stderr]    |                      --------- the item `character` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 18 |     use self::text::{character, text};
[INFO] [stderr]    |                      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `text` is imported redundantly
[INFO] [stderr]   --> src/parser/atom/mod.rs:18:33
[INFO] [stderr]    |
[INFO] [stderr] 9  | pub use self::text::{character, text};
[INFO] [stderr]    |                                 ---- the item `text` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 18 |     use self::text::{character, text};
[INFO] [stderr]    |                                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `Parser` is imported redundantly
[INFO] [stderr]   --> src/parser/common/space.rs:41:26
[INFO] [stderr]    |
[INFO] [stderr] 2  | use combine::Parser;
[INFO] [stderr]    |     --------------- the item `Parser` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 41 |     use combine::{many1, Parser};
[INFO] [stderr]    |                          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `Parser` is imported redundantly
[INFO] [stderr]   --> src/parser/common/space.rs:55:25
[INFO] [stderr]    |
[INFO] [stderr] 2  | use combine::Parser;
[INFO] [stderr]    |     --------------- the item `Parser` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 55 |     use combine::{many, Parser};
[INFO] [stderr]    |                         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `Parser` is imported redundantly
[INFO] [stderr]   --> src/parser/expr/compound.rs:75:9
[INFO] [stderr]    |
[INFO] [stderr] 2  | use combine::Parser;
[INFO] [stderr]    |     --------------- the item `Parser` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 75 |     use combine::Parser;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `Parser` is imported redundantly
[INFO] [stderr]    --> src/parser/expr/compound.rs:127:31
[INFO] [stderr]     |
[INFO] [stderr] 2   | use combine::Parser;
[INFO] [stderr]     |     --------------- the item `Parser` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 127 |     use combine::{sep_end_by, Parser};
[INFO] [stderr]     |                               ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `Parser` is imported redundantly
[INFO] [stderr]  --> src/parser/expr/lambda.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 2 | use combine::Parser;
[INFO] [stderr]   |     --------------- the item `Parser` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 8 |     use combine::Parser;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `Parser` is imported redundantly
[INFO] [stderr]   --> src/parser/expr/lambda.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 2  | use combine::Parser;
[INFO] [stderr]    |     --------------- the item `Parser` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 19 |     use combine::Parser;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `Parser` is imported redundantly
[INFO] [stderr]   --> src/parser/expr/lambda.rs:34:36
[INFO] [stderr]    |
[INFO] [stderr] 2  | use combine::Parser;
[INFO] [stderr]    |     --------------- the item `Parser` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 34 |     use combine::{optional, value, Parser};
[INFO] [stderr]    |                                    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `FunctionDefinition` is imported redundantly
[INFO] [stderr]    --> src/parser/expr/lambda.rs:100:9
[INFO] [stderr]     |
[INFO] [stderr] 1   | use ast::{Expr, FunctionDefinition, LambdaDefinition, ProcDefinition, QueryDefinition};
[INFO] [stderr]     |                 ------------------ the item `FunctionDefinition` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 100 |     use ast::FunctionDefinition;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `Parser` is imported redundantly
[INFO] [stderr]    --> src/parser/expr/lambda.rs:103:26
[INFO] [stderr]     |
[INFO] [stderr] 2   | use combine::Parser;
[INFO] [stderr]     |     --------------- the item `Parser` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 103 |     use combine::{value, Parser};
[INFO] [stderr]     |                          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `QueryDefinition` is imported redundantly
[INFO] [stderr]    --> src/parser/expr/lambda.rs:122:9
[INFO] [stderr]     |
[INFO] [stderr] 1   | use ast::{Expr, FunctionDefinition, LambdaDefinition, ProcDefinition, QueryDefinition};
[INFO] [stderr]     |                                                                       --------------- the item `QueryDefinition` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 122 |     use ast::QueryDefinition;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `Parser` is imported redundantly
[INFO] [stderr]    --> src/parser/expr/lambda.rs:123:9
[INFO] [stderr]     |
[INFO] [stderr] 2   | use combine::Parser;
[INFO] [stderr]     |     --------------- the item `Parser` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 123 |     use combine::Parser;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `ProcDefinition` is imported redundantly
[INFO] [stderr]    --> src/parser/expr/lambda.rs:134:9
[INFO] [stderr]     |
[INFO] [stderr] 1   | use ast::{Expr, FunctionDefinition, LambdaDefinition, ProcDefinition, QueryDefinition};
[INFO] [stderr]     |                                                       -------------- the item `ProcDefinition` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 134 |     use ast::ProcDefinition;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `Parser` is imported redundantly
[INFO] [stderr]    --> src/parser/expr/lambda.rs:135:36
[INFO] [stderr]     |
[INFO] [stderr] 2   | use combine::Parser;
[INFO] [stderr]     |     --------------- the item `Parser` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 135 |     use combine::{optional, value, Parser};
[INFO] [stderr]     |                                    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: unnecessary parentheses around type
[INFO] [stderr]   --> src/parser/expr/scopecheck.rs:66:15
[INFO] [stderr]    |
[INFO] [stderr] 66 |         pos: <(&str) as StreamOnce>::Position,
[INFO] [stderr]    |               ^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/main.rs:1:9
[INFO] [stderr]    |
[INFO] [stderr] 1  | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[deny(unused_parens)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: the item `ParseError` is imported redundantly
[INFO] [stderr]    --> src/parser/expr/scopecheck.rs:122:9
[INFO] [stderr]     |
[INFO] [stderr] 2   | use combine::{ParseError, Parser, StreamOnce};
[INFO] [stderr]     |               ---------- the item `ParseError` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 122 |     use combine::ParseError;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `Zero` is imported redundantly
[INFO] [stderr]   --> src/value/number.rs:75:13
[INFO] [stderr]    |
[INFO] [stderr] 1  | use num::{BigInt, FromPrimitive, Zero};
[INFO] [stderr]    |                                  ---- the item `Zero` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 75 |         use num::Zero;
[INFO] [stderr]    |             ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/parser/testutils.rs:63:31
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let expected = rawexp.trim_right();
[INFO] [stderr]    |                               ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 39 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `sappho-on-rust`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ba62efd6b4b2691a1448ff437cde34c99cabed52e7a97d88391640e17de7f917"`
[INFO] running `"docker" "rm" "-f" "ba62efd6b4b2691a1448ff437cde34c99cabed52e7a97d88391640e17de7f917"`
[INFO] [stdout] ba62efd6b4b2691a1448ff437cde34c99cabed52e7a97d88391640e17de7f917
