[INFO] fetching crate casperlabs-pausable 0.1.0...
[INFO] testing casperlabs-pausable-0.1.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate casperlabs-pausable 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate casperlabs-pausable 0.1.0
[INFO] finished tweaking crates.io crate casperlabs-pausable 0.1.0
[INFO] tweaked toml for crates.io crate casperlabs-pausable 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate casperlabs-pausable 0.1.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 81 packages to latest compatible versions
[INFO] [stderr]       Adding casper-contract v1.4.4 (available: v5.1.1)
[INFO] [stderr]       Adding casper-types v1.5.0 (available: v6.0.1)
[INFO] [stderr]       Adding casperlabs-contract-utils v0.1.4 (available: v0.2.2)
[INFO] [stderr]       Adding cryptoxide v0.3.6 (available: v0.5.1)
[INFO] [stderr]       Adding ed25519 v1.2.0 (available: v1.5.3)
[INFO] [stderr]       Adding signature v1.2.2 (available: v1.6.4)
[INFO] [stderr]       Adding subtle v2.4.1 (available: v2.6.1)
[INFO] [stderr]       Adding zeroize v1.3.0 (available: v1.8.1)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded casperlabs-contract-utils v0.1.4
[INFO] [stderr]   Downloaded casper_types_derive v0.1.0
[INFO] [stderr]   Downloaded casperlabs-owned v0.1.0
[INFO] [stderr]   Downloaded ed25519 v1.2.0
[INFO] [stderr]   Downloaded elliptic-curve v0.8.5
[INFO] [stderr]   Downloaded ecdsa v0.10.2
[INFO] [stderr]   Downloaded ff v0.8.0
[INFO] [stderr]   Downloaded base16 v0.2.1
[INFO] [stderr]   Downloaded casper-contract v1.4.4
[INFO] [stderr]   Downloaded group v0.8.0
[INFO] [stderr]   Downloaded signature v1.2.2
[INFO] [stderr]   Downloaded k256 v0.7.3
[INFO] [stderr]   Downloaded cryptoxide v0.3.6
[INFO] [stderr]   Downloaded bitvec v0.18.5
[INFO] [stderr]   Downloaded casper-types v1.5.0
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bacfd9a930d1cbe3460b5888e9349af83963578ba2fdf1c0a7dd7a4b0015144f
[INFO] running `Command { std: "docker" "start" "-a" "bacfd9a930d1cbe3460b5888e9349af83963578ba2fdf1c0a7dd7a4b0015144f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bacfd9a930d1cbe3460b5888e9349af83963578ba2fdf1c0a7dd7a4b0015144f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bacfd9a930d1cbe3460b5888e9349af83963578ba2fdf1c0a7dd7a4b0015144f", kill_on_drop: false }`
[INFO] [stdout] bacfd9a930d1cbe3460b5888e9349af83963578ba2fdf1c0a7dd7a4b0015144f
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9eb37fd16b434df7e955cebe660692ecc2c52fb24ddc4abe93db642260cf97e
[INFO] running `Command { std: "docker" "start" "-a" "a9eb37fd16b434df7e955cebe660692ecc2c52fb24ddc4abe93db642260cf97e", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `ryu v1.0.20`
[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 `ryu v1.0.20`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ryu-1.0.20`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "a9eb37fd16b434df7e955cebe660692ecc2c52fb24ddc4abe93db642260cf97e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9eb37fd16b434df7e955cebe660692ecc2c52fb24ddc4abe93db642260cf97e", kill_on_drop: false }`
[INFO] [stdout] a9eb37fd16b434df7e955cebe660692ecc2c52fb24ddc4abe93db642260cf97e