[INFO] fetching crate bogrep 0.6.1...
[INFO] checking bogrep-0.6.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate bogrep 0.6.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate bogrep 0.6.1 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] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate bogrep 0.6.1
[INFO] finished tweaking crates.io crate bogrep 0.6.1
[INFO] tweaked toml for crates.io crate bogrep 0.6.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate bogrep 0.6.1 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 }`
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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 }`
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[INFO] running `Command { std: "docker" "start" "-a" "b61553a2e2761e3f1ca5f274f651ffb378f665a12c1509db4e980b25b64f01f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b61553a2e2761e3f1ca5f274f651ffb378f665a12c1509db4e980b25b64f01f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b61553a2e2761e3f1ca5f274f651ffb378f665a12c1509db4e980b25b64f01f2", kill_on_drop: false }`
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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_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 }`
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[INFO] running `Command { std: "docker" "start" "-a" "041d57893664dabe997245daf121e689506b2cde8f4e574303ff2a22a77d9dbe", kill_on_drop: false }`
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[INFO] [stdout] warning: the item `Path` is imported redundantly
[INFO] [stdout]    --> src/bookmark_reader/chromium.rs:226:9
[INFO] [stdout]     |
[INFO] [stdout] 223 |     use super::*;
[INFO] [stdout]     |         -------- the item `Path` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 226 |         path::Path,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `utils` is imported redundantly
[INFO] [stdout]    --> src/bookmark_reader/firefox.rs:318:29
[INFO] [stdout]     |
[INFO] [stdout] 317 |     use super::*;
[INFO] [stdout]     |         -------- the item `utils` is already imported here
[INFO] [stdout] 318 |     use crate::{test_utils, utils};
[INFO] [stdout]     |                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Path` is imported redundantly
[INFO] [stdout]   --> src/bookmark_reader/simple.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     use super::*;
[INFO] [stdout]    |         -------- the item `Path` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 53 |         path::Path,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `HashMap` is imported redundantly
[INFO] [stdout]    --> src/bookmarks/target_bookmarks.rs:224:23
[INFO] [stdout]     |
[INFO] [stdout] 221 |     use super::*;
[INFO] [stdout]     |         -------- the item `HashMap` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 224 |         collections::{HashMap, HashSet},
[INFO] [stdout]     |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `HashSet` is imported redundantly
[INFO] [stdout]    --> src/bookmarks/target_bookmarks.rs:224:32
[INFO] [stdout]     |
[INFO] [stdout] 221 |     use super::*;
[INFO] [stdout]     |         -------- the item `HashSet` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 224 |         collections::{HashMap, HashSet},
[INFO] [stdout]     |                                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Utc` is imported redundantly
[INFO] [stdout]    --> src/cache.rs:412:9
[INFO] [stdout]     |
[INFO] [stdout] 411 |     use super::*;
[INFO] [stdout]     |         -------- the item `Utc` is already imported here
[INFO] [stdout] 412 |     use chrono::Utc;
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `url`, `content`, and `mock_guard` are never read
[INFO] [stdout]   --> tests/common.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub struct MockWebsite {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 76 |     pub url: String,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 77 |     pub content: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 78 |     pub mock_guard: MockGuard,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `url`, `content`, and `mock_guard` are never read
[INFO] [stdout]   --> tests/common.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub struct MockWebsite {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 76 |     pub url: String,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 77 |     pub content: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 78 |     pub mock_guard: MockGuard,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `url`, `content`, and `mock_guard` are never read
[INFO] [stdout]   --> tests/common.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub struct MockWebsite {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 76 |     pub url: String,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 77 |     pub content: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 78 |     pub mock_guard: MockGuard,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `url`, `content`, and `mock_guard` are never read
[INFO] [stdout]   --> tests/common.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub struct MockWebsite {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 76 |     pub url: String,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 77 |     pub content: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 78 |     pub mock_guard: MockGuard,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `content` and `mock_guard` are never read
[INFO] [stdout]   --> tests/common.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub struct MockWebsite {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 76 |     pub url: String,
[INFO] [stdout] 77 |     pub content: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 78 |     pub mock_guard: MockGuard,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `url`, `content`, and `mock_guard` are never read
[INFO] [stdout]   --> tests/common.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub struct MockWebsite {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 76 |     pub url: String,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 77 |     pub content: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 78 |     pub mock_guard: MockGuard,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 56.40s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: html5ever v0.24.1, xml5ever v0.16.2
[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" "041d57893664dabe997245daf121e689506b2cde8f4e574303ff2a22a77d9dbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "041d57893664dabe997245daf121e689506b2cde8f4e574303ff2a22a77d9dbe", kill_on_drop: false }`
[INFO] [stdout] 041d57893664dabe997245daf121e689506b2cde8f4e574303ff2a22a77d9dbe