[INFO] fetching crate pros 0.9.0...
[INFO] testing pros-0.9.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate pros 0.9.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate pros 0.9.0
[INFO] finished tweaking crates.io crate pros 0.9.0
[INFO] tweaked toml for crates.io crate pros 0.9.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pros 0.9.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pros 0.9.0 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" "+b83b707f97d809763b7861afa7638871f3339a33" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eac1118c7f48602d64b365ac63d10099504872b0957de68d32cc17820017fd73
[INFO] running `Command { std: "docker" "start" "-a" "eac1118c7f48602d64b365ac63d10099504872b0957de68d32cc17820017fd73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eac1118c7f48602d64b365ac63d10099504872b0957de68d32cc17820017fd73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eac1118c7f48602d64b365ac63d10099504872b0957de68d32cc17820017fd73", kill_on_drop: false }`
[INFO] [stdout] eac1118c7f48602d64b365ac63d10099504872b0957de68d32cc17820017fd73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 926406c1b135154cee92cc76d6d4d6cd8893cac2d053517103789fc081c1f4a3
[INFO] running `Command { std: "docker" "start" "-a" "926406c1b135154cee92cc76d6d4d6cd8893cac2d053517103789fc081c1f4a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling pros-sys v0.8.0
[INFO] [stderr]    Compiling waker-fn v1.1.1
[INFO] [stderr]    Compiling async-task v4.7.0
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling no_std_io v0.6.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.5
[INFO] [stderr]    Compiling num-iter v0.1.44
[INFO] [stderr]    Compiling num v0.4.1
[INFO] [stderr]    Compiling snafu-derive v0.8.0
[INFO] [stderr]    Compiling snafu v0.8.0
[INFO] [stderr]    Compiling pros-core v0.1.1
[INFO] [stderr]    Compiling pros-devices v0.2.0
[INFO] [stderr]    Compiling pros-math v0.1.0
[INFO] [stderr]    Compiling pros-async v0.2.0
[INFO] [stderr]    Compiling pros-panic v0.1.1
[INFO] [stderr]    Compiling pros v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.72s
[INFO] running `Command { std: "docker" "inspect" "926406c1b135154cee92cc76d6d4d6cd8893cac2d053517103789fc081c1f4a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "926406c1b135154cee92cc76d6d4d6cd8893cac2d053517103789fc081c1f4a3", kill_on_drop: false }`
[INFO] [stdout] 926406c1b135154cee92cc76d6d4d6cd8893cac2d053517103789fc081c1f4a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffc081173385b299210629044fb9866cccb65222f6c973651ec21fa1589f74a6
[INFO] running `Command { std: "docker" "start" "-a" "ffc081173385b299210629044fb9866cccb65222f6c973651ec21fa1589f74a6", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `num v0.4.1`
[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 `num v0.4.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num-0.4.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "ffc081173385b299210629044fb9866cccb65222f6c973651ec21fa1589f74a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffc081173385b299210629044fb9866cccb65222f6c973651ec21fa1589f74a6", kill_on_drop: false }`
[INFO] [stdout] ffc081173385b299210629044fb9866cccb65222f6c973651ec21fa1589f74a6