[INFO] cloning repository https://github.com/euclio/seventeen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/euclio/seventeen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feuclio%2Fseventeen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feuclio%2Fseventeen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 241200cc673fda4456a1f6c67c1520a7be1c4255
[INFO] checking euclio/seventeen against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feuclio%2Fseventeen" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/euclio/seventeen on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/euclio/seventeen
[INFO] finished tweaking git repo https://github.com/euclio/seventeen
[INFO] tweaked toml for git repo https://github.com/euclio/seventeen written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/euclio/seventeen already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `rename-dependency` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/nightly/cargo/reference/specifying-dependencies.html#renaming-dependencies-in-cargotoml for more information about using this feature.
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27777a552f9a965569c7efe93e6cc93090a39b24db4dc772982f62b4a5943a57
[INFO] running `Command { std: "docker" "start" "-a" "27777a552f9a965569c7efe93e6cc93090a39b24db4dc772982f62b4a5943a57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27777a552f9a965569c7efe93e6cc93090a39b24db4dc772982f62b4a5943a57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27777a552f9a965569c7efe93e6cc93090a39b24db4dc772982f62b4a5943a57", kill_on_drop: false }`
[INFO] [stdout] 27777a552f9a965569c7efe93e6cc93090a39b24db4dc772982f62b4a5943a57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efc5e3eb52a84555c164fbc52bf11e9fa2f9bb33513d0809739b26b2812d6cd4
[INFO] running `Command { std: "docker" "start" "-a" "efc5e3eb52a84555c164fbc52bf11e9fa2f9bb33513d0809739b26b2812d6cd4", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `rename-dependency` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/nightly/cargo/reference/specifying-dependencies.html#renaming-dependencies-in-cargotoml for more information about using this feature.
[INFO] [stderr]     Checking libc v0.2.41
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling serde v1.0.65
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.4
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]     Checking smallvec v0.6.5
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]    Compiling matrixmultiply v0.1.14
[INFO] [stderr]     Checking rustc-demangle v0.1.8
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking yaml-rust v0.4.0
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling syn v0.14.1
[INFO] [stderr]     Checking backtrace v0.3.8
[INFO] [stderr]     Checking lock_api v0.1.3
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]    Compiling ndarray v0.11.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]     Checking chrono v0.4.2
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking itertools v0.7.8
[INFO] [stderr]     Checking crossbeam-epoch v0.6.0
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking flate2 v1.0.1
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking crossbeam v0.3.2
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking crossbeam-channel v0.2.6
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking euclid v0.19.2
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking serde_json v1.0.19
[INFO] [stderr]     Checking serde-value v0.5.2
[INFO] [stderr]     Checking serde_yaml v0.7.4
[INFO] [stderr]     Checking log-panics v2.0.0
[INFO] [stderr]     Checking xdg v2.1.0
[INFO] [stderr]     Checking futures v0.1.21
[INFO] [stderr]    Compiling structopt-derive v0.2.8
[INFO] [stderr]    Compiling serde_derive v1.0.65
[INFO] [stderr]     Checking structopt v0.2.8
[INFO] [stderr]     Checking log4rs v0.8.0
[INFO] [stderr]     Checking seventeen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `futures` is imported redundantly
[INFO] [stdout]   --> src/core.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 | use futures::{self, Complete, Future};
[INFO] [stdout]    |               ^^^^ the item `futures` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/core.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 | use serde_json::{self, Value};
[INFO] [stdout]    |                  ^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/editor/line_cache.rs:224:39
[INFO] [stdout]     |
[INFO] [stdout] 224 |             Bound::Excluded(bound) => (bound - 1 - start),
[INFO] [stdout]     |                                       ^                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 224 -             Bound::Excluded(bound) => (bound - 1 - start),
[INFO] [stdout] 224 +             Bound::Excluded(bound) => bound - 1 - start,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/protocol.rs:18:18
[INFO] [stdout]    |
[INFO] [stdout] 18 | use serde_json::{self, Value};
[INFO] [stdout]    |                  ^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `futures` is imported redundantly
[INFO] [stdout]   --> src/core.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 | use futures::{self, Complete, Future};
[INFO] [stdout]    |               ^^^^ the item `futures` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/core.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 | use serde_json::{self, Value};
[INFO] [stdout]    |                  ^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/editor/line_cache.rs:224:39
[INFO] [stdout]     |
[INFO] [stdout] 224 |             Bound::Excluded(bound) => (bound - 1 - start),
[INFO] [stdout]     |                                       ^                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 224 -             Bound::Excluded(bound) => (bound - 1 - start),
[INFO] [stdout] 224 +             Bound::Excluded(bound) => bound - 1 - start,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PathBuf` is imported redundantly
[INFO] [stdout]    --> src/protocol.rs:203:9
[INFO] [stdout]     |
[INFO] [stdout] 203 |     use std::path::PathBuf;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 207 |     use super::*;
[INFO] [stdout]     |         -------- the item `PathBuf` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]    --> src/protocol.rs:205:22
[INFO] [stdout]     |
[INFO] [stdout] 205 |     use serde_json::{self, json, json_internal};
[INFO] [stdout]     |                      ^^^^
[INFO] [stdout] 206 |
[INFO] [stdout] 207 |     use super::*;
[INFO] [stdout]     |         -------- the item `serde_json` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `bitflags::core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]   --> src/editor/window.rs:56:18
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 .trim_right_matches('\n')
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 .trim_end_matches('\n')
[INFO] [stdout]    |                  ~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `bitflags::core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]   --> src/editor/window.rs:56:18
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 .trim_right_matches('\n')
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 .trim_end_matches('\n')
[INFO] [stdout]    |                  ~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Style` is never constructed
[INFO] [stdout]   --> src/editor/line_cache.rs:73:19
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub(crate) struct Style {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Style` is never constructed
[INFO] [stdout]   --> src/editor/line_cache.rs:73:19
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub(crate) struct Style {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.27s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.13.11, syn v0.14.1, traitobject v0.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "efc5e3eb52a84555c164fbc52bf11e9fa2f9bb33513d0809739b26b2812d6cd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efc5e3eb52a84555c164fbc52bf11e9fa2f9bb33513d0809739b26b2812d6cd4", kill_on_drop: false }`
[INFO] [stdout] efc5e3eb52a84555c164fbc52bf11e9fa2f9bb33513d0809739b26b2812d6cd4
[INFO] checking euclio/seventeen against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feuclio%2Fseventeen" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/euclio/seventeen on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/euclio/seventeen
[INFO] finished tweaking git repo https://github.com/euclio/seventeen
[INFO] tweaked toml for git repo https://github.com/euclio/seventeen written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/euclio/seventeen already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `rename-dependency` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/specifying-dependencies.html#renaming-dependencies-in-cargotoml for more information about using this feature.
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4921aa2d7111ba0456befc22887108dc0e6eed4643394d57e83856a8e07116cf
[INFO] running `Command { std: "docker" "start" "-a" "4921aa2d7111ba0456befc22887108dc0e6eed4643394d57e83856a8e07116cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4921aa2d7111ba0456befc22887108dc0e6eed4643394d57e83856a8e07116cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4921aa2d7111ba0456befc22887108dc0e6eed4643394d57e83856a8e07116cf", kill_on_drop: false }`
[INFO] [stdout] 4921aa2d7111ba0456befc22887108dc0e6eed4643394d57e83856a8e07116cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cf3a51ac7fcbba71fb065bba6749d45b4ddc359ca17dfe3d153f367ba36e10f
[INFO] running `Command { std: "docker" "start" "-a" "9cf3a51ac7fcbba71fb065bba6749d45b4ddc359ca17dfe3d153f367ba36e10f", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `rename-dependency` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/specifying-dependencies.html#renaming-dependencies-in-cargotoml for more information about using this feature.
[INFO] [stderr]     Checking libc v0.2.41
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling serde v1.0.65
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.4
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]     Checking smallvec v0.6.5
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking rustc-demangle v0.1.8
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]    Compiling matrixmultiply v0.1.14
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking yaml-rust v0.4.0
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]    Compiling syn v0.14.1
[INFO] [stderr]     Checking backtrace v0.3.8
[INFO] [stderr]     Checking lock_api v0.1.3
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling ndarray v0.11.2
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking crossbeam-epoch v0.6.0
[INFO] [stderr]     Checking chrono v0.4.2
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]     Checking itertools v0.7.8
[INFO] [stderr]     Checking flate2 v1.0.1
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking crossbeam v0.3.2
[INFO] [stderr]     Checking crossbeam-channel v0.2.6
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking serde_yaml v0.7.4
[INFO] [stderr]     Checking serde_json v1.0.19
[INFO] [stderr]     Checking serde-value v0.5.2
[INFO] [stderr]     Checking log-panics v2.0.0
[INFO] [stderr]     Checking euclid v0.19.2
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]    Compiling serde_derive v1.0.65
[INFO] [stderr]     Checking xdg v2.1.0
[INFO] [stderr]     Checking futures v0.1.21
[INFO] [stderr]    Compiling structopt-derive v0.2.8
[INFO] [stderr]     Checking structopt v0.2.8
[INFO] [stderr]     Checking log4rs v0.8.0
[INFO] [stderr]     Checking seventeen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `futures` is imported redundantly
[INFO] [stdout]   --> src/core.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 | use futures::{self, Complete, Future};
[INFO] [stdout]    |               ^^^^ the item `futures` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/core.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 | use serde_json::{self, Value};
[INFO] [stdout]    |                  ^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/editor/line_cache.rs:224:39
[INFO] [stdout]     |
[INFO] [stdout] 224 |             Bound::Excluded(bound) => (bound - 1 - start),
[INFO] [stdout]     |                                       ^                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 224 -             Bound::Excluded(bound) => (bound - 1 - start),
[INFO] [stdout] 224 +             Bound::Excluded(bound) => bound - 1 - start,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/protocol.rs:18:18
[INFO] [stdout]    |
[INFO] [stdout] 18 | use serde_json::{self, Value};
[INFO] [stdout]    |                  ^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `futures` is imported redundantly
[INFO] [stdout]   --> src/core.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 | use futures::{self, Complete, Future};
[INFO] [stdout]    |               ^^^^ the item `futures` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/core.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 | use serde_json::{self, Value};
[INFO] [stdout]    |                  ^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/editor/line_cache.rs:224:39
[INFO] [stdout]     |
[INFO] [stdout] 224 |             Bound::Excluded(bound) => (bound - 1 - start),
[INFO] [stdout]     |                                       ^                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 224 -             Bound::Excluded(bound) => (bound - 1 - start),
[INFO] [stdout] 224 +             Bound::Excluded(bound) => bound - 1 - start,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PathBuf` is imported redundantly
[INFO] [stdout]    --> src/protocol.rs:203:9
[INFO] [stdout]     |
[INFO] [stdout] 203 |     use std::path::PathBuf;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 207 |     use super::*;
[INFO] [stdout]     |         -------- the item `PathBuf` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]    --> src/protocol.rs:205:22
[INFO] [stdout]     |
[INFO] [stdout] 205 |     use serde_json::{self, json, json_internal};
[INFO] [stdout]     |                      ^^^^
[INFO] [stdout] 206 |
[INFO] [stdout] 207 |     use super::*;
[INFO] [stdout]     |         -------- the item `serde_json` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `bitflags::core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]   --> src/editor/window.rs:56:18
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 .trim_right_matches('\n')
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 .trim_end_matches('\n')
[INFO] [stdout]    |                  ~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `bitflags::core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]   --> src/editor/window.rs:56:18
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 .trim_right_matches('\n')
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 .trim_end_matches('\n')
[INFO] [stdout]    |                  ~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Style` is never constructed
[INFO] [stdout]   --> src/editor/line_cache.rs:73:19
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub(crate) struct Style {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Style` is never constructed
[INFO] [stdout]   --> src/editor/line_cache.rs:73:19
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub(crate) struct Style {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.61s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.13.11, syn v0.14.1, traitobject v0.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "9cf3a51ac7fcbba71fb065bba6749d45b4ddc359ca17dfe3d153f367ba36e10f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cf3a51ac7fcbba71fb065bba6749d45b4ddc359ca17dfe3d153f367ba36e10f", kill_on_drop: false }`
[INFO] [stdout] 9cf3a51ac7fcbba71fb065bba6749d45b4ddc359ca17dfe3d153f367ba36e10f