[INFO] crate mber 0.1.5 is already in cache
[INFO] checking mber-0.1.5 against try#5e633973aa9255a88b65a39484627bb54e6044b3 for pr-66063
[INFO] extracting crate mber 0.1.5 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate mber 0.1.5 on toolchain 5e633973aa9255a88b65a39484627bb54e6044b3
[INFO] running `"/workspace/cargo-home/bin/cargo" "+5e633973aa9255a88b65a39484627bb54e6044b3" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mber 0.1.5
[INFO] finished tweaking crates.io crate mber 0.1.5
[INFO] tweaked toml for crates.io crate mber 0.1.5 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate mber 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+5e633973aa9255a88b65a39484627bb54e6044b3" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+5e633973aa9255a88b65a39484627bb54e6044b3" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3bcfcb62d234c77a13a7afd9fe06c16a03f824379ed0ceccacf58312a3c09ed1
[INFO] running `"docker" "start" "-a" "3bcfcb62d234c77a13a7afd9fe06c16a03f824379ed0ceccacf58312a3c09ed1"`
[INFO] [stderr]    Compiling serde v1.0.100
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling same-file v1.0.5
[INFO] [stderr]     Checking indexmap v1.2.0
[INFO] [stderr]     Checking yansi v0.5.0
[INFO] [stderr]     Checking tokio-sync v0.1.6
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling hyper v0.12.34
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling walkdir v2.2.9
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.100
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking mustache v0.9.0
[INFO] [stderr]    Compiling toml v0.5.3
[INFO] [stderr]    Compiling mber v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `mber v0.1.5 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/mber-dc463bf9fa73b20f/build-script-build` (exit code: 1)
[INFO] [stderr] --- stderr
[INFO] [stderr] Error: Os { code: 30, kind: Other, message: "Read-only file system" }
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "3bcfcb62d234c77a13a7afd9fe06c16a03f824379ed0ceccacf58312a3c09ed1"`
[INFO] running `"docker" "rm" "-f" "3bcfcb62d234c77a13a7afd9fe06c16a03f824379ed0ceccacf58312a3c09ed1"`
[INFO] [stdout] 3bcfcb62d234c77a13a7afd9fe06c16a03f824379ed0ceccacf58312a3c09ed1