[INFO] fetching crate libpylon 0.17.0...
[INFO] testing libpylon-0.17.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate libpylon 0.17.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate libpylon 0.17.0
[INFO] finished tweaking crates.io crate libpylon 0.17.0
[INFO] tweaked toml for crates.io crate libpylon 0.17.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate libpylon 0.17.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 268 packages to latest compatible versions
[INFO] [stderr]       Adding derive_builder v0.12.0 (available: v0.20.2)
[INFO] [stderr]       Adding magic-wormhole v0.6.1 (available: v0.7.6)
[INFO] [stderr]       Adding smol v1.3.0 (available: v2.0.2)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.16)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trackable_derive v1.0.0
[INFO] [stderr]   Downloaded noise-rust-crypto v0.6.2
[INFO] [stderr]   Downloaded stun_codec v0.3.5
[INFO] [stderr]   Downloaded noise-protocol v0.2.0
[INFO] [stderr]   Downloaded trackable v1.3.0
[INFO] [stderr]   Downloaded spake2 v0.4.0
[INFO] [stderr]   Downloaded crypto_secretbox v0.1.1
[INFO] [stderr]   Downloaded async-tls v0.12.0
[INFO] [stderr]   Downloaded async-tar v0.4.2
[INFO] [stderr]   Downloaded futures_ringbuf v0.4.0
[INFO] [stderr]   Downloaded async-tungstenite v0.23.0
[INFO] [stderr]   Downloaded bytecodec v0.4.15
[INFO] [stderr]   Downloaded trackable v0.2.24
[INFO] [stderr]   Downloaded magic-wormhole v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c437a5aad1ad7976c8d8e602d795835766e83995da79806f6e661109072848bf
[INFO] running `Command { std: "docker" "start" "-a" "c437a5aad1ad7976c8d8e602d795835766e83995da79806f6e661109072848bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c437a5aad1ad7976c8d8e602d795835766e83995da79806f6e661109072848bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c437a5aad1ad7976c8d8e602d795835766e83995da79806f6e661109072848bf", kill_on_drop: false }`
[INFO] [stdout] c437a5aad1ad7976c8d8e602d795835766e83995da79806f6e661109072848bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7f054bafa9fb6c705f1a0ea428ff2f06abf8df7faeb8fb50e87a5116614741f
[INFO] running `Command { std: "docker" "start" "-a" "f7f054bafa9fb6c705f1a0ea428ff2f06abf8df7faeb8fb50e87a5116614741f", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `aes v0.8.4`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   unable to get packages from source
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack package `aes v0.8.4`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/aes-0.8.4`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "f7f054bafa9fb6c705f1a0ea428ff2f06abf8df7faeb8fb50e87a5116614741f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7f054bafa9fb6c705f1a0ea428ff2f06abf8df7faeb8fb50e87a5116614741f", kill_on_drop: false }`
[INFO] [stdout] f7f054bafa9fb6c705f1a0ea428ff2f06abf8df7faeb8fb50e87a5116614741f