[INFO] fetching crate pex 0.2.4...
[INFO] checking pex-0.2.4 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate pex 0.2.4 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate pex 0.2.4 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pex 0.2.4
[INFO] finished tweaking crates.io crate pex 0.2.4
[INFO] tweaked toml for crates.io crate pex 0.2.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d2b59e7fbe3df09044405b61f32c0cfa4dc2a8d057c86acba67b45ea8b6ef54
[INFO] running `Command { std: "docker" "start" "-a" "1d2b59e7fbe3df09044405b61f32c0cfa4dc2a8d057c86acba67b45ea8b6ef54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d2b59e7fbe3df09044405b61f32c0cfa4dc2a8d057c86acba67b45ea8b6ef54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d2b59e7fbe3df09044405b61f32c0cfa4dc2a8d057c86acba67b45ea8b6ef54", kill_on_drop: false }`
[INFO] [stdout] 1d2b59e7fbe3df09044405b61f32c0cfa4dc2a8d057c86acba67b45ea8b6ef54
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 909b3750160c6207a12991f950dbc99d3a86e67542f124d769d1292bc567c0ed
[INFO] running `Command { std: "docker" "start" "-a" "909b3750160c6207a12991f950dbc99d3a86e67542f124d769d1292bc567c0ed", kill_on_drop: false }`
[INFO] [stderr]     Checking pex v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `StringView` is imported redundantly
[INFO] [stdout]  --> src/helpers/comment/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `StringView` is already imported here
[INFO] [stdout] 2 | use crate::StringView;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ParseResult` is imported redundantly
[INFO] [stdout]  --> src/helpers/surround_pair.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `ParseResult` is already imported here
[INFO] [stdout] 2 | use crate::{ParseResult, ParseState, StopBecause};
[INFO] [stdout]   |             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ParseState` is imported redundantly
[INFO] [stdout]  --> src/helpers/surround_pair.rs:2:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `ParseState` is already imported here
[INFO] [stdout] 2 | use crate::{ParseResult, ParseState, StopBecause};
[INFO] [stdout]   |                          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `StopBecause` is imported redundantly
[INFO] [stdout]  --> src/helpers/surround_pair.rs:2:38
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `StopBecause` is already imported here
[INFO] [stdout] 2 | use crate::{ParseResult, ParseState, StopBecause};
[INFO] [stdout]   |                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ParseResult` is imported redundantly
[INFO] [stdout]  --> src/states/choice.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{ParseResult, ParseResult::Stop, Parsed};
[INFO] [stdout]   |             ^^^^^^^^^^^
[INFO] [stdout] 2 |
[INFO] [stdout] 3 | use super::*;
[INFO] [stdout]   |     -------- the item `ParseResult` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Stop` is imported redundantly
[INFO] [stdout]  --> src/states/choice.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{ParseResult, ParseResult::Stop, Parsed};
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 2 |
[INFO] [stdout] 3 | use super::*;
[INFO] [stdout]   |     -------- the item `Stop` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Parsed` is imported redundantly
[INFO] [stdout]  --> src/states/choice.rs:1:45
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{ParseResult, ParseResult::Stop, Parsed};
[INFO] [stdout]   |                                             ^^^^^^
[INFO] [stdout] 2 |
[INFO] [stdout] 3 | use super::*;
[INFO] [stdout]   |     -------- the item `Parsed` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `StringView` is imported redundantly
[INFO] [stdout]  --> src/helpers/comment/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `StringView` is already imported here
[INFO] [stdout] 2 | use crate::StringView;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ParseResult` is imported redundantly
[INFO] [stdout]  --> src/helpers/surround_pair.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `ParseResult` is already imported here
[INFO] [stdout] 2 | use crate::{ParseResult, ParseState, StopBecause};
[INFO] [stdout]   |             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ParseState` is imported redundantly
[INFO] [stdout]  --> src/helpers/surround_pair.rs:2:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `ParseState` is already imported here
[INFO] [stdout] 2 | use crate::{ParseResult, ParseState, StopBecause};
[INFO] [stdout]   |                          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `StopBecause` is imported redundantly
[INFO] [stdout]  --> src/helpers/surround_pair.rs:2:38
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `StopBecause` is already imported here
[INFO] [stdout] 2 | use crate::{ParseResult, ParseState, StopBecause};
[INFO] [stdout]   |                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ParseResult` is imported redundantly
[INFO] [stdout]  --> src/states/choice.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{ParseResult, ParseResult::Stop, Parsed};
[INFO] [stdout]   |             ^^^^^^^^^^^
[INFO] [stdout] 2 |
[INFO] [stdout] 3 | use super::*;
[INFO] [stdout]   |     -------- the item `ParseResult` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Stop` is imported redundantly
[INFO] [stdout]  --> src/states/choice.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{ParseResult, ParseResult::Stop, Parsed};
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 2 |
[INFO] [stdout] 3 | use super::*;
[INFO] [stdout]   |     -------- the item `Stop` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Parsed` is imported redundantly
[INFO] [stdout]  --> src/states/choice.rs:1:45
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{ParseResult, ParseResult::Stop, Parsed};
[INFO] [stdout]   |                                             ^^^^^^
[INFO] [stdout] 2 |
[INFO] [stdout] 3 | use super::*;
[INFO] [stdout]   |     -------- the item `Parsed` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 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 0.20s
[INFO] running `Command { std: "docker" "inspect" "909b3750160c6207a12991f950dbc99d3a86e67542f124d769d1292bc567c0ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "909b3750160c6207a12991f950dbc99d3a86e67542f124d769d1292bc567c0ed", kill_on_drop: false }`
[INFO] [stdout] 909b3750160c6207a12991f950dbc99d3a86e67542f124d769d1292bc567c0ed