[INFO] fetching crate ec2-search 0.14.1...
[INFO] testing ec2-search-0.14.1 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate ec2-search 0.14.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate ec2-search 0.14.1
[INFO] finished tweaking crates.io crate ec2-search 0.14.1
[INFO] tweaked toml for crates.io crate ec2-search 0.14.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ec2-search 0.14.1 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] crate crates.io crate ec2-search 0.14.1 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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]  Downloading crates ...
[INFO] [stderr]   Downloaded cli-table v0.4.6
[INFO] [stderr]   Downloaded cli-table-derive v0.4.4
[INFO] [stderr]   Downloaded zeroize v1.4.3
[INFO] [stderr]   Downloaded aws-types v0.9.0
[INFO] [stderr]   Downloaded aws-smithy-client v0.39.0
[INFO] [stderr]   Downloaded aws-endpoint v0.9.0
[INFO] [stderr]   Downloaded aws-smithy-query v0.39.0
[INFO] [stderr]   Downloaded aws-smithy-json v0.39.0
[INFO] [stderr]   Downloaded aws-smithy-xml v0.39.0
[INFO] [stderr]   Downloaded aws-sdk-sso v0.9.0
[INFO] [stderr]   Downloaded futures-channel v0.3.7
[INFO] [stderr]   Downloaded tower v0.4.11
[INFO] [stderr]   Downloaded pin-project-internal v1.0.1
[INFO] [stderr]   Downloaded aws-config v0.9.0
[INFO] [stderr]   Downloaded syn v1.0.67
[INFO] [stderr]   Downloaded pin-project v1.0.1
[INFO] [stderr]   Downloaded aws-sdk-sts v0.9.0
[INFO] [stderr]   Downloaded aws-sdk-elasticloadbalancingv2 v0.9.0
[INFO] [stderr]   Downloaded aws-sdk-autoscaling v0.9.0
[INFO] [stderr]   Downloaded aws-smithy-http v0.39.0
[INFO] [stderr]   Downloaded aws-smithy-http-tower v0.39.0
[INFO] [stderr]   Downloaded tracing v0.1.21
[INFO] [stderr]   Downloaded aws-http v0.9.0
[INFO] [stderr]   Downloaded h2 v0.3.9
[INFO] [stderr]   Downloaded aws-sigv4 v0.9.0
[INFO] [stderr]   Downloaded aws-sig-auth v0.9.0
[INFO] [stderr]   Downloaded aws-smithy-async v0.39.0
[INFO] [stderr]   Downloaded futures-sink v0.3.7
[INFO] [stderr]   Downloaded aws-smithy-types v0.39.0
[INFO] [stderr]   Downloaded aws-sdk-ec2 v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 24265913b8f2fa1507a70c4e2004321849b0d37015cc630e622e1e7cfeba9115
[INFO] running `Command { std: "docker" "start" "-a" "24265913b8f2fa1507a70c4e2004321849b0d37015cc630e622e1e7cfeba9115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24265913b8f2fa1507a70c4e2004321849b0d37015cc630e622e1e7cfeba9115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24265913b8f2fa1507a70c4e2004321849b0d37015cc630e622e1e7cfeba9115", kill_on_drop: false }`
[INFO] [stdout] 24265913b8f2fa1507a70c4e2004321849b0d37015cc630e622e1e7cfeba9115
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 619708324e2fff62d9934e5c9f888136b96e4e24f2e8ceb3071efcf27eefa4ad
[INFO] running `Command { std: "docker" "start" "-a" "619708324e2fff62d9934e5c9f888136b96e4e24f2e8ceb3071efcf27eefa4ad", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `bitflags v1.2.1`
[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 `bitflags v1.2.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bitflags-1.2.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "619708324e2fff62d9934e5c9f888136b96e4e24f2e8ceb3071efcf27eefa4ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "619708324e2fff62d9934e5c9f888136b96e4e24f2e8ceb3071efcf27eefa4ad", kill_on_drop: false }`
[INFO] [stdout] 619708324e2fff62d9934e5c9f888136b96e4e24f2e8ceb3071efcf27eefa4ad