[INFO] fetching crate diplomat 0.12.0...
[INFO] testing diplomat-0.12.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate diplomat 0.12.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate diplomat 0.12.0
[INFO] finished tweaking crates.io crate diplomat 0.12.0
[INFO] tweaked toml for crates.io crate diplomat 0.12.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate diplomat 0.12.0 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 diplomat 0.12.0 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" "+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 strck v1.0.0
[INFO] [stderr]   Downloaded diplomat_core v0.12.0
[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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d780f0006d087e5998e11ca1bb122339d0ac72b73c9dd6876491d0f4058400d
[INFO] running `Command { std: "docker" "start" "-a" "8d780f0006d087e5998e11ca1bb122339d0ac72b73c9dd6876491d0f4058400d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d780f0006d087e5998e11ca1bb122339d0ac72b73c9dd6876491d0f4058400d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d780f0006d087e5998e11ca1bb122339d0ac72b73c9dd6876491d0f4058400d", kill_on_drop: false }`
[INFO] [stdout] 8d780f0006d087e5998e11ca1bb122339d0ac72b73c9dd6876491d0f4058400d
[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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe36fde89cbb2355c248927d039a9e09c44edf1c27632d3e7e5354c93aed608f
[INFO] running `Command { std: "docker" "start" "-a" "fe36fde89cbb2355c248927d039a9e09c44edf1c27632d3e7e5354c93aed608f", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling strck v1.0.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.99
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling diplomat_core v0.12.0
[INFO] [stderr]    Compiling diplomat v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.94s
[INFO] running `Command { std: "docker" "inspect" "fe36fde89cbb2355c248927d039a9e09c44edf1c27632d3e7e5354c93aed608f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe36fde89cbb2355c248927d039a9e09c44edf1c27632d3e7e5354c93aed608f", kill_on_drop: false }`
[INFO] [stdout] fe36fde89cbb2355c248927d039a9e09c44edf1c27632d3e7e5354c93aed608f
[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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af93c2a33d7a2ba8c462fad054145adeb50a6e5cdbca1e41d3eded0d2ee4b72b
[INFO] running `Command { std: "docker" "start" "-a" "af93c2a33d7a2ba8c462fad054145adeb50a6e5cdbca1e41d3eded0d2ee4b72b", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `tempfile v3.10.1`
[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 `tempfile v3.10.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tempfile-3.10.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "af93c2a33d7a2ba8c462fad054145adeb50a6e5cdbca1e41d3eded0d2ee4b72b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af93c2a33d7a2ba8c462fad054145adeb50a6e5cdbca1e41d3eded0d2ee4b72b", kill_on_drop: false }`
[INFO] [stdout] af93c2a33d7a2ba8c462fad054145adeb50a6e5cdbca1e41d3eded0d2ee4b72b