[INFO] fetching crate multivariate-optimization 0.0.2...
[INFO] testing multivariate-optimization-0.0.2 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate multivariate-optimization 0.0.2 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate multivariate-optimization 0.0.2
[INFO] finished tweaking crates.io crate multivariate-optimization 0.0.2
[INFO] tweaked toml for crates.io crate multivariate-optimization 0.0.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate multivariate-optimization 0.0.2 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 106 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.5.1 (available: v0.7.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 171f10a97375268a92e093efc558778960528cb0d1217cc2eaccb356b79ee03b
[INFO] running `Command { std: "docker" "start" "-a" "171f10a97375268a92e093efc558778960528cb0d1217cc2eaccb356b79ee03b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "171f10a97375268a92e093efc558778960528cb0d1217cc2eaccb356b79ee03b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "171f10a97375268a92e093efc558778960528cb0d1217cc2eaccb356b79ee03b", kill_on_drop: false }`
[INFO] [stdout] 171f10a97375268a92e093efc558778960528cb0d1217cc2eaccb356b79ee03b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 523114fefa3a55ec34417f995a0a35acc9efbff4abadd81c0d61c740fb53bdd4
[INFO] running `Command { std: "docker" "start" "-a" "523114fefa3a55ec34417f995a0a35acc9efbff4abadd81c0d61c740fb53bdd4", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling multivariate-optimization v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.52s
[INFO] running `Command { std: "docker" "inspect" "523114fefa3a55ec34417f995a0a35acc9efbff4abadd81c0d61c740fb53bdd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "523114fefa3a55ec34417f995a0a35acc9efbff4abadd81c0d61c740fb53bdd4", kill_on_drop: false }`
[INFO] [stdout] 523114fefa3a55ec34417f995a0a35acc9efbff4abadd81c0d61c740fb53bdd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e73de34efb386a6682ed8aebe2d1a06f9fd1985808113bb4ec31ad34c0e13e6
[INFO] running `Command { std: "docker" "start" "-a" "6e73de34efb386a6682ed8aebe2d1a06f9fd1985808113bb4ec31ad34c0e13e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling multivariate-optimization v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 12.19s
[INFO] running `Command { std: "docker" "inspect" "6e73de34efb386a6682ed8aebe2d1a06f9fd1985808113bb4ec31ad34c0e13e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e73de34efb386a6682ed8aebe2d1a06f9fd1985808113bb4ec31ad34c0e13e6", kill_on_drop: false }`
[INFO] [stdout] 6e73de34efb386a6682ed8aebe2d1a06f9fd1985808113bb4ec31ad34c0e13e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fedf1115ab994c78667b24ba225150b7e0a530d9b24f14f36597be129821166c
[INFO] running `Command { std: "docker" "start" "-a" "fedf1115ab994c78667b24ba225150b7e0a530d9b24f14f36597be129821166c", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `futures-task v0.3.31`
[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 `futures-task v0.3.31`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-task-0.3.31`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "fedf1115ab994c78667b24ba225150b7e0a530d9b24f14f36597be129821166c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fedf1115ab994c78667b24ba225150b7e0a530d9b24f14f36597be129821166c", kill_on_drop: false }`
[INFO] [stdout] fedf1115ab994c78667b24ba225150b7e0a530d9b24f14f36597be129821166c