[INFO] fetching crate tor-netdoc 0.9.1...
[INFO] checking tor-netdoc-0.9.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate tor-netdoc 0.9.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate tor-netdoc 0.9.1 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] started tweaking crates.io crate tor-netdoc 0.9.1
[INFO] finished tweaking crates.io crate tor-netdoc 0.9.1
[INFO] tweaked toml for crates.io crate tor-netdoc 0.9.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 250 packages
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.0)
[INFO] [stderr]       Adding block-buffer v0.9.0 (latest: v0.10.4)
[INFO] [stderr]       Adding config v0.13.4 (latest: v0.14.0)
[INFO] [stderr]       Adding convert_case v0.4.0 (latest: v0.6.0)
[INFO] [stderr]       Adding curve25519-dalek v3.2.0 (latest: v4.1.2)
[INFO] [stderr]       Adding darling v0.14.4 (latest: v0.20.8)
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[INFO] [stderr]       Adding digest v0.9.0 (latest: v0.10.7)
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[INFO] [stderr]       Adding educe v0.4.23 (latest: v0.5.11)
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[INFO] [stderr]       Adding getrandom v0.1.16 (latest: v0.2.12)
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[INFO] [stderr]       Adding itertools v0.11.0 (latest: v0.12.1)
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[INFO] [stderr]       Adding ordered-float v2.10.1 (latest: v4.2.0)
[INFO] [stderr]       Adding proc-macro-crate v1.3.1 (latest: v3.1.0)
[INFO] [stderr]       Adding rand v0.7.3 (latest: v0.8.5)
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[INFO] [stderr]       Adding sha2 v0.9.9 (latest: v0.10.8)
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[INFO] [stderr]       Adding siphasher v0.3.11 (latest: v1.0.1)
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[INFO] [stderr]       Adding tor-basic-utils v0.8.0 (latest: v0.17.0)
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[INFO] [stderr]       Adding tor-hscrypto v0.3.4 (latest: v0.17.0)
[INFO] [stderr]       Adding tor-linkspec v0.8.4 (latest: v0.17.0)
[INFO] [stderr]       Adding tor-llcrypto v0.5.6 (latest: v0.17.0)
[INFO] [stderr]       Adding tor-protover v0.5.4 (latest: v0.17.0)
[INFO] [stderr]       Adding tor-units v0.6.5 (latest: v0.17.0)
[INFO] [stderr]       Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
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[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
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[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
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[INFO] [stderr]       Adding winnow v0.5.40 (latest: v0.6.5)
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[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]  Downloading crates ...
[INFO] [stderr]   Downloaded tor-units v0.6.5
[INFO] [stderr]   Downloaded weak-table v0.3.2
[INFO] [stderr]   Downloaded x25519-dalek v2.0.0-pre.1
[INFO] [stderr]   Downloaded caret v0.4.5
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[INFO] [stderr]   Downloaded tor-cell v0.13.0
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[INFO] [stderr]   Downloaded derive-adhoc v0.7.3
[INFO] [stderr]   Downloaded pwd-grp v0.1.1
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[INFO] [stderr]   Downloaded tor-config v0.9.7
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[INFO] [stderr]   Downloaded tor-hscrypto v0.3.4
[INFO] [stderr]   Downloaded tor-bytes v0.7.5
[INFO] [stderr]   Downloaded serde_ignored v0.1.10
[INFO] [stderr]   Downloaded tor-error v0.5.5
[INFO] [stderr]   Downloaded tor-linkspec v0.8.4
[INFO] [stderr]   Downloaded safelog v0.3.6
[INFO] [stderr]   Downloaded tor-cert v0.8.0
[INFO] [stderr]   Downloaded by_address v1.2.1
[INFO] [stderr]   Downloaded tor-basic-utils v0.8.0
[INFO] [stderr]   Downloaded fluid-let v1.0.0
[INFO] [stderr]   Downloaded retry-error v0.5.2
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[INFO] [stderr]   Downloaded visibility v0.1.0
[INFO] [stderr]   Downloaded visible v0.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 98240732b2cf72e66badb19ee4853470102afa22a1b958a5ee71feaa0a485e2d
[INFO] running `Command { std: "docker" "start" "-a" "98240732b2cf72e66badb19ee4853470102afa22a1b958a5ee71feaa0a485e2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98240732b2cf72e66badb19ee4853470102afa22a1b958a5ee71feaa0a485e2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98240732b2cf72e66badb19ee4853470102afa22a1b958a5ee71feaa0a485e2d", kill_on_drop: false }`
[INFO] [stdout] 98240732b2cf72e66badb19ee4853470102afa22a1b958a5ee71feaa0a485e2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ca6eb6fb52c5a916b37e3b8f5b3f4557675c3d051bd1e81ca7941aec79b542d3
[INFO] running `Command { std: "docker" "start" "-a" "ca6eb6fb52c5a916b37e3b8f5b3f4557675c3d051bd1e81ca7941aec79b542d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.8
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[INFO] [stderr]     Checking base64ct v1.6.0
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[INFO] [stderr]    Compiling async-trait v0.1.79
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[INFO] [stderr]     Checking derive_builder_fork_arti v0.11.2
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[INFO] [stderr]     Checking tor-llcrypto v0.5.6
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[INFO] [stderr]     Checking tor-cell v0.13.0
[INFO] [stderr]     Checking tor-netdoc v0.9.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Pos` is imported redundantly
[INFO] [stdout]    --> src/parse/tokenize.rs:733:40
[INFO] [stdout]     |
[INFO] [stdout] 731 |     use super::*;
[INFO] [stdout]     |         -------- the item `Pos` is already imported here
[INFO] [stdout] 732 |     use crate::parse::macros::test::Fruit;
[INFO] [stdout] 733 |     use crate::{NetdocErrorKind as EK, Pos, Result};
[INFO] [stdout]     |                                        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]    --> src/parse/tokenize.rs:733:45
[INFO] [stdout]     |
[INFO] [stdout] 731 |     use super::*;
[INFO] [stdout]     |         -------- the item `Result` is already imported here
[INFO] [stdout] 732 |     use crate::parse::macros::test::Fruit;
[INFO] [stdout] 733 |     use crate::{NetdocErrorKind as EK, Pos, Result};
[INFO] [stdout]     |                                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]    --> src/types/family.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |     use super::*;
[INFO] [stdout]     |         -------- the item `Result` is already imported here
[INFO] [stdout] 102 |     use crate::Result;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `iter` is imported redundantly
[INFO] [stdout]    --> src/util/batching_split_before.rs:335:9
[INFO] [stdout]     |
[INFO] [stdout] 331 |     use super::*;
[INFO] [stdout]     |         -------- the item `iter` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 335 |     use std::iter;
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_ok_with_annotation`, `is_ok_with_kwd_not_in`, and `is_empty_line` are never used
[INFO] [stdout]    --> src/parse/tokenize.rs:554:8
[INFO] [stdout]     |
[INFO] [stdout] 552 | pub(crate) trait ItemResult<K: Keyword> {
[INFO] [stdout]     |                  ---------- methods in this trait
[INFO] [stdout] 553 |     /// Return true if this is an ok result with an annotation.
[INFO] [stdout] 554 |     fn is_ok_with_annotation(&self) -> bool;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 564 |     fn is_ok_with_kwd_not_in(&self, ks: &[K]) -> bool;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 565 |     /// Return true if this is an empty-line error.
[INFO] [stdout] 566 |     fn is_empty_line(&self) -> bool;
[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: method `is_empty_line` is never used
[INFO] [stdout]    --> src/parse/tokenize.rs:566:8
[INFO] [stdout]     |
[INFO] [stdout] 552 | pub(crate) trait ItemResult<K: Keyword> {
[INFO] [stdout]     |                  ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 566 |     fn is_empty_line(&self) -> bool;
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.17s
[INFO] running `Command { std: "docker" "inspect" "ca6eb6fb52c5a916b37e3b8f5b3f4557675c3d051bd1e81ca7941aec79b542d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca6eb6fb52c5a916b37e3b8f5b3f4557675c3d051bd1e81ca7941aec79b542d3", kill_on_drop: false }`
[INFO] [stdout] ca6eb6fb52c5a916b37e3b8f5b3f4557675c3d051bd1e81ca7941aec79b542d3