[INFO] fetching crate plabble-codec 0.1.0...
[INFO] checking plabble-codec-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate plabble-codec 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate plabble-codec 0.1.0 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 plabble-codec 0.1.0
[INFO] finished tweaking crates.io crate plabble-codec 0.1.0
[INFO] tweaked toml for crates.io crate plabble-codec 0.1.0 written to /workspace/builds/worker-5-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 52 packages
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 3a72eb1321a2a01cde522b2e298d862dd55c12a403194ec5144a57b0afead5e1
[INFO] running `Command { std: "docker" "start" "-a" "3a72eb1321a2a01cde522b2e298d862dd55c12a403194ec5144a57b0afead5e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a72eb1321a2a01cde522b2e298d862dd55c12a403194ec5144a57b0afead5e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a72eb1321a2a01cde522b2e298d862dd55c12a403194ec5144a57b0afead5e1", kill_on_drop: false }`
[INFO] [stdout] 3a72eb1321a2a01cde522b2e298d862dd55c12a403194ec5144a57b0afead5e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] bd4823d52b4430446c74b5b85503d6047212c331f402bcaa430bb4e59b46e49f
[INFO] running `Command { std: "docker" "start" "-a" "bd4823d52b4430446c74b5b85503d6047212c331f402bcaa430bb4e59b46e49f", kill_on_drop: false }`
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]    Compiling time-macros v0.2.17
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking universal-hash v0.5.1
[INFO] [stderr]     Checking aead v0.5.2
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking poly1305 v0.8.0
[INFO] [stderr]     Checking chacha20 v0.9.1
[INFO] [stderr]     Checking hkdf v0.12.4
[INFO] [stderr]     Checking chacha20poly1305 v0.10.1
[INFO] [stderr]     Checking plabble-codec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Serializable` is imported redundantly
[INFO] [stdout]    --> src/codec/request/request_body.rs:165:31
[INFO] [stdout]     |
[INFO] [stdout] 164 |     use super::*;
[INFO] [stdout]     |         -------- the item `Serializable` is already imported here
[INFO] [stdout] 165 |     use crate::abstractions::{Serializable, SerializationError::InvalidFormat};
[INFO] [stdout]     |                               ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `InvalidFormat` is imported redundantly
[INFO] [stdout]    --> src/codec/request/request_body.rs:165:45
[INFO] [stdout]     |
[INFO] [stdout] 164 |     use super::*;
[INFO] [stdout]     |         -------- the item `InvalidFormat` is already imported here
[INFO] [stdout] 165 |     use crate::abstractions::{Serializable, SerializationError::InvalidFormat};
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Serializable` is imported redundantly
[INFO] [stdout]    --> src/codec/request/request_body.rs:281:9
[INFO] [stdout]     |
[INFO] [stdout] 281 |     use crate::abstractions::Serializable;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 282 |
[INFO] [stdout] 283 |     use super::*;
[INFO] [stdout]     |         -------- the item `Serializable` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Serializable` is imported redundantly
[INFO] [stdout]    --> src/codec/response/response_body.rs:185:9
[INFO] [stdout]     |
[INFO] [stdout] 185 |     use crate::abstractions::Serializable;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 186 |
[INFO] [stdout] 187 |     use super::*;
[INFO] [stdout]     |         -------- the item `Serializable` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.09s
[INFO] running `Command { std: "docker" "inspect" "bd4823d52b4430446c74b5b85503d6047212c331f402bcaa430bb4e59b46e49f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd4823d52b4430446c74b5b85503d6047212c331f402bcaa430bb4e59b46e49f", kill_on_drop: false }`
[INFO] [stdout] bd4823d52b4430446c74b5b85503d6047212c331f402bcaa430bb4e59b46e49f