[INFO] fetching crate snp 1.0.1...
[INFO] checking snp-1.0.1 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate snp 1.0.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate snp 1.0.1
[INFO] finished tweaking crates.io crate snp 1.0.1
[INFO] tweaked toml for crates.io crate snp 1.0.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate snp 1.0.1 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] crate crates.io crate snp 1.0.1 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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 toml_edit v0.23.2
[INFO] [stderr]   Downloaded pep440_rs v0.7.3
[INFO] [stderr]   Downloaded bloom v0.3.2
[INFO] [stderr]   Downloaded referencing v0.32.0
[INFO] [stderr]   Downloaded clap-cargo v0.15.2
[INFO] [stderr]   Downloaded rustc-stable-hash v0.1.2
[INFO] [stderr]   Downloaded fancy-regex v0.15.0
[INFO] [stderr]   Downloaded jsonschema v0.32.0
[INFO] [stderr]   Downloaded tame-index v0.18.1
[INFO] [stderr]   Downloaded cargo-release v0.25.18
[INFO] [stderr]   Downloaded toml-span v0.4.1
[INFO] [stderr]   Downloaded trycmd v0.15.10
[INFO] [stderr]   Downloaded daggy v0.9.0
[INFO] [stderr]   Downloaded unscanny v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 501c5d9584907fe8c6bfdf9f4d4e7f16bae7298fdb4b0925932e50e7b34eea86
[INFO] running `Command { std: "docker" "start" "-a" "501c5d9584907fe8c6bfdf9f4d4e7f16bae7298fdb4b0925932e50e7b34eea86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "501c5d9584907fe8c6bfdf9f4d4e7f16bae7298fdb4b0925932e50e7b34eea86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "501c5d9584907fe8c6bfdf9f4d4e7f16bae7298fdb4b0925932e50e7b34eea86", kill_on_drop: false }`
[INFO] [stdout] 501c5d9584907fe8c6bfdf9f4d4e7f16bae7298fdb4b0925932e50e7b34eea86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1cc7995b94fe6da6df5f71373dec9bbb0864a96f247e5c22c554466c2a27b2c7
[INFO] running `Command { std: "docker" "start" "-a" "1cc7995b94fe6da6df5f71373dec9bbb0864a96f247e5c22c554466c2a27b2c7", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `env_home 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 `env_home 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/env_home-0.1.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "1cc7995b94fe6da6df5f71373dec9bbb0864a96f247e5c22c554466c2a27b2c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cc7995b94fe6da6df5f71373dec9bbb0864a96f247e5c22c554466c2a27b2c7", kill_on_drop: false }`
[INFO] [stdout] 1cc7995b94fe6da6df5f71373dec9bbb0864a96f247e5c22c554466c2a27b2c7