[INFO] fetching crate actix-web-middleware-opa 0.1.1...
[INFO] checking actix-web-middleware-opa-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate actix-web-middleware-opa 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate actix-web-middleware-opa 0.1.1 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 actix-web-middleware-opa 0.1.1
[INFO] finished tweaking crates.io crate actix-web-middleware-opa 0.1.1
[INFO] tweaked toml for crates.io crate actix-web-middleware-opa 0.1.1 written to /workspace/builds/worker-1-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 205 packages
[INFO] [stderr]       Adding actix v0.7.9 (latest: v0.13.3)
[INFO] [stderr]       Adding actix-web v0.7.19 (latest: v4.5.1)
[INFO] [stderr]       Adding actix_derive v0.3.2 (latest: v0.6.1)
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[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
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[INFO] [stderr]       Adding v_htmlescape v0.4.5 (latest: v0.15.8)
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[INFO] [stderr]       Adding wasi v0.10.0+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)
[INFO] [stderr]       Adding winreg v0.5.1 (latest: v0.52.0)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded encoding_index_tests v0.1.4
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4f77a873bf72cd4bfcc936edc5d3c4ca91c1c021f6e1bf2d7ac628405ca1ccb7
[INFO] running `Command { std: "docker" "start" "-a" "4f77a873bf72cd4bfcc936edc5d3c4ca91c1c021f6e1bf2d7ac628405ca1ccb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f77a873bf72cd4bfcc936edc5d3c4ca91c1c021f6e1bf2d7ac628405ca1ccb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f77a873bf72cd4bfcc936edc5d3c4ca91c1c021f6e1bf2d7ac628405ca1ccb7", kill_on_drop: false }`
[INFO] [stdout] 4f77a873bf72cd4bfcc936edc5d3c4ca91c1c021f6e1bf2d7ac628405ca1ccb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e75d9b541165bd3b8497d5aefe530ef451b6ccec9ea2a72063d02a9462f8d742
[INFO] running `Command { std: "docker" "start" "-a" "e75d9b541165bd3b8497d5aefe530ef451b6ccec9ea2a72063d02a9462f8d742", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking cfg-if v0.1.10
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[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking futures v0.1.31
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[INFO] [stderr]    Compiling proc-macro2 v1.0.79
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[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking rand_core v0.3.1
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[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
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[INFO] [stderr]    Compiling quote v1.0.35
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[INFO] [stderr]     Checking tokio-sync v0.1.8
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[INFO] [stderr]     Checking tokio-executor v0.1.10
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[INFO] [stderr]     Checking tinyvec_macros v0.1.1
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[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking tokio-reactor v0.1.12
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[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking unicode-bidi v0.3.15
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[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]     Checking matches v0.1.10
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[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> src/lib.rs:122:18
[INFO] [stdout]     |
[INFO] [stdout] 122 |             .map({ |s| s.to_string() }),
[INFO] [stdout]     |                  ^^                 ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 122 -             .map({ |s| s.to_string() }),
[INFO] [stdout] 122 +             .map(|s| s.to_string()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> src/lib.rs:122:18
[INFO] [stdout]     |
[INFO] [stdout] 122 |             .map({ |s| s.to_string() }),
[INFO] [stdout]     |                  ^^                 ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 122 -             .map({ |s| s.to_string() }),
[INFO] [stdout] 122 +             .map(|s| s.to_string()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TestRequest`
[INFO] [stdout]    --> src/lib.rs:316:27
[INFO] [stdout]     |
[INFO] [stdout] 316 |     use actix_web::test::{TestRequest, TestServer};
[INFO] [stdout]     |                           ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `verifier`
[INFO] [stdout]    --> src/lib.rs:371:13
[INFO] [stdout]     |
[INFO] [stdout] 371 |         let verifier = Verifier::build(url_a.to_owned());
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_verifier`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `repr`
[INFO] [stdout]    --> src/lib.rs:378:13
[INFO] [stdout]     |
[INFO] [stdout] 378 |         let repr = format!("{:?}", request);
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_repr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `request` and `response` are never read
[INFO] [stdout]    --> src/lib.rs:219:5
[INFO] [stdout]     |
[INFO] [stdout] 216 | pub struct PolicyVerifier<A, B> {
[INFO] [stdout]     |            -------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 219 |     request: Option<A>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 220 |     response: Option<B>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `request` and `response` are never read
[INFO] [stdout]    --> src/lib.rs:219:5
[INFO] [stdout]     |
[INFO] [stdout] 216 | pub struct PolicyVerifier<A, B> {
[INFO] [stdout]     |            -------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 219 |     request: Option<A>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 220 |     response: Option<B>,
[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 1m 17s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3
[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" "e75d9b541165bd3b8497d5aefe530ef451b6ccec9ea2a72063d02a9462f8d742", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e75d9b541165bd3b8497d5aefe530ef451b6ccec9ea2a72063d02a9462f8d742", kill_on_drop: false }`
[INFO] [stdout] e75d9b541165bd3b8497d5aefe530ef451b6ccec9ea2a72063d02a9462f8d742