[INFO] fetching crate ssstar 0.7.3...
[INFO] testing ssstar-0.7.3 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate ssstar 0.7.3 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate ssstar 0.7.3
[INFO] finished tweaking crates.io crate ssstar 0.7.3
[INFO] tweaked toml for crates.io crate ssstar 0.7.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ssstar 0.7.3 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 385 packages to latest compatible versions
[INFO] [stderr]       Adding aws-smithy-http v0.60.12 (available: v0.62.3)
[INFO] [stderr]       Adding byte-unit v4.0.19 (available: v5.1.6)
[INFO] [stderr]       Adding crc-fast v1.3.0 (available: v1.4.0)
[INFO] [stderr]       Adding http v0.2.12 (available: v1.3.1)
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.14.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding snafu v0.7.5 (available: v0.8.8)
[INFO] [stderr]       Adding strum v0.24.1 (available: v0.27.2)
[INFO] [stderr]       Adding tower v0.4.13 (available: v0.5.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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 aws-smithy-http v0.60.12
[INFO] [stderr]   Downloaded aws-smithy-checksums v0.63.8
[INFO] [stderr]   Downloaded aws-smithy-http-tower v0.60.3
[INFO] [stderr]   Downloaded again v0.1.2
[INFO] [stderr]   Downloaded aws-smithy-types-convert v0.60.9
[INFO] [stderr]   Downloaded aws-smithy-eventstream v0.60.11
[INFO] [stderr]   Downloaded aws-smithy-client v0.60.3
[INFO] [stderr]   Downloaded ssstar-testing v0.7.3
[INFO] [stderr]   Downloaded aws-sdk-s3 v1.104.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e46424a16440ecdae71abf078068c3c086c5c8d5fa78a0f2e842161dd41c8852
[INFO] running `Command { std: "docker" "start" "-a" "e46424a16440ecdae71abf078068c3c086c5c8d5fa78a0f2e842161dd41c8852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e46424a16440ecdae71abf078068c3c086c5c8d5fa78a0f2e842161dd41c8852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e46424a16440ecdae71abf078068c3c086c5c8d5fa78a0f2e842161dd41c8852", kill_on_drop: false }`
[INFO] [stdout] e46424a16440ecdae71abf078068c3c086c5c8d5fa78a0f2e842161dd41c8852
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80c5038d44d8c41ebde882bd5a40496df5f021583a06640b9c2f6c845dba5f3b
[INFO] running `Command { std: "docker" "start" "-a" "80c5038d44d8c41ebde882bd5a40496df5f021583a06640b9c2f6c845dba5f3b", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `autocfg v1.5.0`
[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 `autocfg v1.5.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/autocfg-1.5.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "80c5038d44d8c41ebde882bd5a40496df5f021583a06640b9c2f6c845dba5f3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80c5038d44d8c41ebde882bd5a40496df5f021583a06640b9c2f6c845dba5f3b", kill_on_drop: false }`
[INFO] [stdout] 80c5038d44d8c41ebde882bd5a40496df5f021583a06640b9c2f6c845dba5f3b