[INFO] fetching crate ucan-key-support 0.1.7...
[INFO] checking ucan-key-support-0.1.7 against master#35936c4839dd272646394779d151e060d0f6b3ac for pr-122960-1
[INFO] extracting crate ucan-key-support 0.1.7 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate ucan-key-support 0.1.7 on toolchain 35936c4839dd272646394779d151e060d0f6b3ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ucan-key-support 0.1.7
[INFO] finished tweaking crates.io crate ucan-key-support 0.1.7
[INFO] tweaked toml for crates.io crate ucan-key-support 0.1.7 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" "+35936c4839dd272646394779d151e060d0f6b3ac" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strum v0.24.1
[INFO] [stderr]   Downloaded proc-macro-crate v1.1.3
[INFO] [stderr]   Downloaded serde-big-array v0.3.3
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[INFO] [stderr]   Downloaded async-recursion v1.1.0
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[INFO] [stderr]   Downloaded strum_macros v0.25.3
[INFO] [stderr]   Downloaded ucan v0.4.0
[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" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e954146832ad620b67947d5b3e39d491e7f105b24b5e1c5f29a1916d9aff885b
[INFO] running `Command { std: "docker" "start" "-a" "e954146832ad620b67947d5b3e39d491e7f105b24b5e1c5f29a1916d9aff885b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e954146832ad620b67947d5b3e39d491e7f105b24b5e1c5f29a1916d9aff885b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e954146832ad620b67947d5b3e39d491e7f105b24b5e1c5f29a1916d9aff885b", kill_on_drop: false }`
[INFO] [stdout] e954146832ad620b67947d5b3e39d491e7f105b24b5e1c5f29a1916d9aff885b
[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" "+35936c4839dd272646394779d151e060d0f6b3ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01209ba778c0f9113d4e881f10204665709489ec45bcbdf2bcfff6c76857e03e
[INFO] running `Command { std: "docker" "start" "-a" "01209ba778c0f9113d4e881f10204665709489ec45bcbdf2bcfff6c76857e03e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling syn v1.0.109
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[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking constant_time_eq v0.3.0
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]    Compiling data-encoding v2.5.0
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking sha2 v0.10.8
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[INFO] [stderr]     Checking unsigned-varint v0.7.2
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[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
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[INFO] [stderr]    Compiling toml v0.5.11
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[INFO] [stderr]     Checking num-iter v0.1.44
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[INFO] [stderr]     Checking rsa v0.9.6
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.12
[INFO] [stderr]     Checking data-encoding-macro v0.1.14
[INFO] [stderr]     Checking multibase v0.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling async-recursion v1.1.0
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling multihash-derive v0.8.1
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking serde-big-array v0.3.3
[INFO] [stderr]     Checking serde_bytes v0.11.14
[INFO] [stderr]     Checking ed25519-zebra v3.1.0
[INFO] [stderr]     Checking multihash v0.18.1
[INFO] [stderr]     Checking cid v0.10.1
[INFO] [stderr]     Checking libipld-core v0.16.0
[INFO] [stderr]     Checking libipld-json v0.16.0
[INFO] [stderr]     Checking ucan v0.4.0
[INFO] [stderr]     Checking ucan-key-support v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rand`
[INFO] [stdout]   --> src/ed25519.rs:70:19
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let rng = rand::thread_rng();
[INFO] [stdout]    |                   ^^^^ use of undeclared crate or module `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ucan-key-support` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "01209ba778c0f9113d4e881f10204665709489ec45bcbdf2bcfff6c76857e03e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01209ba778c0f9113d4e881f10204665709489ec45bcbdf2bcfff6c76857e03e", kill_on_drop: false }`
[INFO] [stdout] 01209ba778c0f9113d4e881f10204665709489ec45bcbdf2bcfff6c76857e03e