[INFO] fetching crate steam-vent-crypto 0.2.0...
[INFO] checking steam-vent-crypto-0.2.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate steam-vent-crypto 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate steam-vent-crypto 0.2.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate steam-vent-crypto 0.2.0
[INFO] finished tweaking crates.io crate steam-vent-crypto 0.2.0
[INFO] tweaked toml for crates.io crate steam-vent-crypto 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "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 spin v0.5.2 (latest: v0.9.8)
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e32d52cad8929f6262354889c05b428736607026d04d02efbd230c4ef0b47712
[INFO] running `Command { std: "docker" "start" "-a" "e32d52cad8929f6262354889c05b428736607026d04d02efbd230c4ef0b47712", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e32d52cad8929f6262354889c05b428736607026d04d02efbd230c4ef0b47712", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e32d52cad8929f6262354889c05b428736607026d04d02efbd230c4ef0b47712", kill_on_drop: false }`
[INFO] [stdout] e32d52cad8929f6262354889c05b428736607026d04d02efbd230c4ef0b47712
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45d82b865dcda280de205e72da3da817ae65b13ca900a97d9db29a50da9231b7
[INFO] running `Command { std: "docker" "start" "-a" "45d82b865dcda280de205e72da3da817ae65b13ca900a97d9db29a50da9231b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling const-oid v0.9.6
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling zeroize v1.7.0
[INFO] [stderr]    Compiling base64ct v1.6.0
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling num-bigint-dig v0.8.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling pem-rfc7468 v0.7.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling der v0.7.9
[INFO] [stderr]     Checking block-padding v0.3.3
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]    Compiling signature v2.2.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking cbc v0.1.2
[INFO] [stderr]     Checking sha-1 v0.10.1
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking spki v0.7.3
[INFO] [stderr]     Checking pkcs8 v0.10.2
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking pkcs1 v0.7.5
[INFO] [stderr]     Checking rsa v0.9.6
[INFO] [stderr]    Compiling steam-vent-crypto v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.84s
[INFO] running `Command { std: "docker" "inspect" "45d82b865dcda280de205e72da3da817ae65b13ca900a97d9db29a50da9231b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45d82b865dcda280de205e72da3da817ae65b13ca900a97d9db29a50da9231b7", kill_on_drop: false }`
[INFO] [stdout] 45d82b865dcda280de205e72da3da817ae65b13ca900a97d9db29a50da9231b7