[INFO] fetching crate lk 0.5.1...
[INFO] testing lk-0.5.1 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate lk 0.5.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate lk 0.5.1
[INFO] finished tweaking crates.io crate lk 0.5.1
[INFO] tweaked toml for crates.io crate lk 0.5.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate lk 0.5.1 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] crate crates.io crate lk 0.5.1 already has a lockfile, it will not be regenerated
[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]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt v0.3.23
[INFO] [stderr]   Downloaded pest_derive v2.3.0
[INFO] [stderr]   Downloaded pest_meta v2.3.0
[INFO] [stderr]   Downloaded anyhow v1.0.44
[INFO] [stderr]   Downloaded fuzzy_finder v0.4.1
[INFO] [stderr]   Downloaded pest v2.3.0
[INFO] [stderr]   Downloaded toml_edit v0.22.9
[INFO] [stderr]   Downloaded compact_str v0.7.1
[INFO] [stderr]   Downloaded winnow v0.6.6
[INFO] [stderr]   Downloaded log4rs v1.0.0
[INFO] [stderr]   Downloaded termion v3.0.0
[INFO] [stderr]   Downloaded memchr v2.6.1
[INFO] [stderr]   Downloaded syn v2.0.32
[INFO] [stderr]   Downloaded pest_generator v2.3.0
[INFO] [stderr]   Downloaded ordered-float v2.8.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.34
[INFO] [stderr]   Downloaded pastel_colours v0.2.0
[INFO] [stderr]   Downloaded thiserror v1.0.34
[INFO] [stderr]   Downloaded castaway v0.2.2
[INFO] [stderr]   Downloaded spinners v4.1.0
[INFO] [stderr]   Downloaded structopt-derive v0.4.16
[INFO] [stderr]   Downloaded ratatui v0.26.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d6ab57f5dbb42c33372f7786abd438ce6e29f2cb281af80e23bd1077719bce5e
[INFO] running `Command { std: "docker" "start" "-a" "d6ab57f5dbb42c33372f7786abd438ce6e29f2cb281af80e23bd1077719bce5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6ab57f5dbb42c33372f7786abd438ce6e29f2cb281af80e23bd1077719bce5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6ab57f5dbb42c33372f7786abd438ce6e29f2cb281af80e23bd1077719bce5e", kill_on_drop: false }`
[INFO] [stdout] d6ab57f5dbb42c33372f7786abd438ce6e29f2cb281af80e23bd1077719bce5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f6002b7d51573fe7cbdc3bb2e1a10716f6c1a42658b4668ec4aa538cea19bf32
[INFO] running `Command { std: "docker" "start" "-a" "f6002b7d51573fe7cbdc3bb2e1a10716f6c1a42658b4668ec4aa538cea19bf32", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `log-mdc v0.1.0`
[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 `log-mdc v0.1.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/log-mdc-0.1.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "f6002b7d51573fe7cbdc3bb2e1a10716f6c1a42658b4668ec4aa538cea19bf32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6002b7d51573fe7cbdc3bb2e1a10716f6c1a42658b4668ec4aa538cea19bf32", kill_on_drop: false }`
[INFO] [stdout] f6002b7d51573fe7cbdc3bb2e1a10716f6c1a42658b4668ec4aa538cea19bf32