[INFO] fetching crate secret-keeper-test_util 0.3.5...
[INFO] checking secret-keeper-test_util-0.3.5 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate secret-keeper-test_util 0.3.5 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate secret-keeper-test_util 0.3.5 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 secret-keeper-test_util 0.3.5
[INFO] finished tweaking crates.io crate secret-keeper-test_util 0.3.5
[INFO] tweaked toml for crates.io crate secret-keeper-test_util 0.3.5 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 18 packages
[INFO] [stderr]       Adding bytes v0.5.6 (latest: v1.6.0)
[INFO] [stderr]       Adding mktemp v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding pin-project-lite v0.1.12 (latest: v0.2.14)
[INFO] [stderr]       Adding tokio v0.2.25 (latest: v1.37.0)
[INFO] [stderr]       Adding tokio-test v0.2.1 (latest: v0.4.4)
[INFO] [stderr]       Adding uuid v0.8.2 (latest: v1.8.0)
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mktemp v0.4.1
[INFO] [stderr]   Downloaded random-trait v0.1.1
[INFO] [stderr]   Downloaded tokio-test v0.2.1
[INFO] [stderr]   Downloaded random-fast-rng v0.1.1
[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] e2f2cc0327b419938bfa08deb99712a1cdd35b92a6c33ff36313150bc1c5b4db
[INFO] running `Command { std: "docker" "start" "-a" "e2f2cc0327b419938bfa08deb99712a1cdd35b92a6c33ff36313150bc1c5b4db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2f2cc0327b419938bfa08deb99712a1cdd35b92a6c33ff36313150bc1c5b4db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2f2cc0327b419938bfa08deb99712a1cdd35b92a6c33ff36313150bc1c5b4db", kill_on_drop: false }`
[INFO] [stdout] e2f2cc0327b419938bfa08deb99712a1cdd35b92a6c33ff36313150bc1c5b4db
[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] a89ec840b0de001c4a56ddb9bf9939de4fcce287b1276587bdaa4b006ef4147e
[INFO] running `Command { std: "docker" "start" "-a" "a89ec840b0de001c4a56ddb9bf9939de4fcce287b1276587bdaa4b006ef4147e", kill_on_drop: false }`
[INFO] [stderr]    Compiling random-trait v0.1.1
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking mktemp v0.4.1
[INFO] [stderr]     Checking random-fast-rng v0.1.1
[INFO] [stderr]     Checking tokio-test v0.2.1
[INFO] [stderr]     Checking secret-keeper-test_util v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `FastRng` is imported redundantly
[INFO] [stdout]    --> src/test_util.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |     use super::*;
[INFO] [stdout]     |         -------- the item `FastRng` is already imported here
[INFO] [stdout] 122 |     use bytes::Bytes;
[INFO] [stdout] 123 |     use random_fast_rng::FastRng;
[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 3.36s
[INFO] running `Command { std: "docker" "inspect" "a89ec840b0de001c4a56ddb9bf9939de4fcce287b1276587bdaa4b006ef4147e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a89ec840b0de001c4a56ddb9bf9939de4fcce287b1276587bdaa4b006ef4147e", kill_on_drop: false }`
[INFO] [stdout] a89ec840b0de001c4a56ddb9bf9939de4fcce287b1276587bdaa4b006ef4147e