[INFO] fetching crate slack_cmd_handlers 0.0.6...
[INFO] checking slack_cmd_handlers-0.0.6 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate slack_cmd_handlers 0.0.6 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate slack_cmd_handlers 0.0.6
[INFO] finished tweaking crates.io crate slack_cmd_handlers 0.0.6
[INFO] tweaked toml for crates.io crate slack_cmd_handlers 0.0.6 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate slack_cmd_handlers 0.0.6 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "generate-lockfile" "--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]      Locking 315 packages to latest compatible versions
[INFO] [stderr]       Adding matchit v0.8.4 (available: v0.8.6)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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 slack_cmd_core v0.0.6
[INFO] [stderr]   Downloaded rsb_derive v0.5.1
[INFO] [stderr]   Downloaded rvs_derive v0.3.2
[INFO] [stderr]   Downloaded rvstruct v0.3.2
[INFO] [stderr]   Downloaded slack-morphism v2.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 633dd483340802b0f20fc3d80d76c5f0eecc3f22ace2968d4ecd426eb90fefb1
[INFO] running `Command { std: "docker" "start" "-a" "633dd483340802b0f20fc3d80d76c5f0eecc3f22ace2968d4ecd426eb90fefb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "633dd483340802b0f20fc3d80d76c5f0eecc3f22ace2968d4ecd426eb90fefb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "633dd483340802b0f20fc3d80d76c5f0eecc3f22ace2968d4ecd426eb90fefb1", kill_on_drop: false }`
[INFO] [stdout] 633dd483340802b0f20fc3d80d76c5f0eecc3f22ace2968d4ecd426eb90fefb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 885dbc288ec96989ae33648a1e3f8349e16c81a3cab86c68c3f2f6f6d67b3130
[INFO] running `Command { std: "docker" "start" "-a" "885dbc288ec96989ae33648a1e3f8349e16c81a3cab86c68c3f2f6f6d67b3130", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `rand_core v0.9.3`
[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 `rand_core v0.9.3`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand_core-0.9.3`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "885dbc288ec96989ae33648a1e3f8349e16c81a3cab86c68c3f2f6f6d67b3130", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "885dbc288ec96989ae33648a1e3f8349e16c81a3cab86c68c3f2f6f6d67b3130", kill_on_drop: false }`
[INFO] [stdout] 885dbc288ec96989ae33648a1e3f8349e16c81a3cab86c68c3f2f6f6d67b3130