[INFO] fetching crate charts-rs 0.3.24...
[INFO] testing charts-rs-0.3.24 against master#160e7623e8cbbf1feab2b6e2a24733a98c7bde9c for pr-145628
[INFO] extracting crate charts-rs 0.3.24 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate charts-rs 0.3.24
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate charts-rs 0.3.24
[INFO] tweaked toml for crates.io crate charts-rs 0.3.24 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate charts-rs 0.3.24 on toolchain 160e7623e8cbbf1feab2b6e2a24733a98c7bde9c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate charts-rs 0.3.24 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" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-ccc v0.4.0
[INFO] [stderr]   Downloaded unicode-bidi-mirroring v0.4.0
[INFO] [stderr]   Downloaded snafu-derive v0.8.6
[INFO] [stderr]   Downloaded charts-rs-derive v0.2.4
[INFO] [stderr]   Downloaded rustybuzz v0.20.1
[INFO] [stderr]   Downloaded snafu v0.8.6
[INFO] [stderr]   Downloaded fontdb v0.23.0
[INFO] [stderr]   Downloaded fontdue v0.9.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbb8975be9eb501ab485ab8e0c8f1ee5caf5a1d8e75ea113632ce2c0ff33b7e2
[INFO] running `Command { std: "docker" "start" "-a" "dbb8975be9eb501ab485ab8e0c8f1ee5caf5a1d8e75ea113632ce2c0ff33b7e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbb8975be9eb501ab485ab8e0c8f1ee5caf5a1d8e75ea113632ce2c0ff33b7e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbb8975be9eb501ab485ab8e0c8f1ee5caf5a1d8e75ea113632ce2c0ff33b7e2", kill_on_drop: false }`
[INFO] [stdout] dbb8975be9eb501ab485ab8e0c8f1ee5caf5a1d8e75ea113632ce2c0ff33b7e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ee3b03c0333124271cf2eacafc76747a075173fd5a04c1248c3db55ec87fb9b
[INFO] running `Command { std: "docker" "start" "-a" "0ee3b03c0333124271cf2eacafc76747a075173fd5a04c1248c3db55ec87fb9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]    Compiling libc v0.2.173
[INFO] [stderr]    Compiling substring v1.4.5
[INFO] [stderr]    Compiling ttf-parser v0.21.1
[INFO] [stderr]    Compiling arc-swap v1.7.1
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling fontdue v0.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling snafu-derive v0.8.6
[INFO] [stderr]    Compiling charts-rs-derive v0.2.4
[INFO] [stderr]    Compiling snafu v0.8.6
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling charts-rs v0.3.24 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.77s
[INFO] running `Command { std: "docker" "inspect" "0ee3b03c0333124271cf2eacafc76747a075173fd5a04c1248c3db55ec87fb9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ee3b03c0333124271cf2eacafc76747a075173fd5a04c1248c3db55ec87fb9b", kill_on_drop: false }`
[INFO] [stdout] 0ee3b03c0333124271cf2eacafc76747a075173fd5a04c1248c3db55ec87fb9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] defefd3972e79c213f90ce60315e44a591fb5d351af57ccc455dedb705644fa1
[INFO] running `Command { std: "docker" "start" "-a" "defefd3972e79c213f90ce60315e44a591fb5d351af57ccc455dedb705644fa1", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `allocator-api2 v0.2.21`
[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 `allocator-api2 v0.2.21`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/allocator-api2-0.2.21`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "defefd3972e79c213f90ce60315e44a591fb5d351af57ccc455dedb705644fa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "defefd3972e79c213f90ce60315e44a591fb5d351af57ccc455dedb705644fa1", kill_on_drop: false }`
[INFO] [stdout] defefd3972e79c213f90ce60315e44a591fb5d351af57ccc455dedb705644fa1