[INFO] fetching crate signatory-client-lib-rs-mg 0.1.0...
[INFO] checking signatory-client-lib-rs-mg-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate signatory-client-lib-rs-mg 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate signatory-client-lib-rs-mg 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 signatory-client-lib-rs-mg 0.1.0
[INFO] finished tweaking crates.io crate signatory-client-lib-rs-mg 0.1.0
[INFO] tweaked toml for crates.io crate signatory-client-lib-rs-mg 0.1.0 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]      Locking 40 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 curve25519-dalek v3.2.1 (latest: v4.1.2)
[INFO] [stderr]       Adding digest v0.9.0 (latest: v0.10.7)
[INFO] [stderr]       Adding ed25519 v1.5.3 (latest: v2.2.3)
[INFO] [stderr]       Adding ed25519-dalek v1.0.1 (latest: v2.1.1)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding getrandom v0.1.16 (latest: v0.2.12)
[INFO] [stderr]       Adding rand v0.7.3 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.2.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.5.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.2.0 (latest: v0.3.2)
[INFO] [stderr]       Adding sha2 v0.9.9 (latest: v0.10.8)
[INFO] [stderr]       Adding signature v1.6.4 (latest: v2.2.0)
[INFO] [stderr]       Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding zeroize v1.3.0 (latest: v1.7.0)
[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-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] 93ae081aa4ae573d5cdf50eec2489f02ef64242e8e0e7ca6c186dceed2a83298
[INFO] running `Command { std: "docker" "start" "-a" "93ae081aa4ae573d5cdf50eec2489f02ef64242e8e0e7ca6c186dceed2a83298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93ae081aa4ae573d5cdf50eec2489f02ef64242e8e0e7ca6c186dceed2a83298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93ae081aa4ae573d5cdf50eec2489f02ef64242e8e0e7ca6c186dceed2a83298", kill_on_drop: false }`
[INFO] [stdout] 93ae081aa4ae573d5cdf50eec2489f02ef64242e8e0e7ca6c186dceed2a83298
[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] 9d6e111133abc23252acab8eb39ebf14506baa97f56117809770a4a6a3747113
[INFO] running `Command { std: "docker" "start" "-a" "9d6e111133abc23252acab8eb39ebf14506baa97f56117809770a4a6a3747113", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking signature v1.6.4
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking bs58 v0.5.1
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking ed25519 v1.5.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking curve25519-dalek v3.2.1
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking assert-json-diff v2.0.2
[INFO] [stderr]     Checking signatory-client-lib-rs-mg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Endorsement` is imported redundantly
[INFO] [stdout]    --> src/payment_in_lieu.rs:288:30
[INFO] [stdout]     |
[INFO] [stdout] 287 |     use super::*;
[INFO] [stdout]     |         -------- the item `Endorsement` is already imported here
[INFO] [stdout] 288 |     use crate::endorsement::{Endorsement, EndorsementParams};
[INFO] [stdout]     |                              ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` 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 16.59s
[INFO] running `Command { std: "docker" "inspect" "9d6e111133abc23252acab8eb39ebf14506baa97f56117809770a4a6a3747113", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d6e111133abc23252acab8eb39ebf14506baa97f56117809770a4a6a3747113", kill_on_drop: false }`
[INFO] [stdout] 9d6e111133abc23252acab8eb39ebf14506baa97f56117809770a4a6a3747113