[INFO] fetching crate CompactPrefixRadix 0.1.0...
[INFO] testing CompactPrefixRadix-0.1.0 against beta-2025-02-18 for beta-1.86-1
[INFO] extracting crate CompactPrefixRadix 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate CompactPrefixRadix 0.1.0 on toolchain beta-2025-02-18
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-02-18" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate CompactPrefixRadix 0.1.0
[INFO] finished tweaking crates.io crate CompactPrefixRadix 0.1.0
[INFO] tweaked toml for crates.io crate CompactPrefixRadix 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate CompactPrefixRadix 0.1.0 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" "+beta-2025-02-18" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb5f50725090962e1f346d4d3cdf8f8ed34c8c211635e68941955b078b5b7ad6
[INFO] running `Command { std: "docker" "start" "-a" "cb5f50725090962e1f346d4d3cdf8f8ed34c8c211635e68941955b078b5b7ad6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb5f50725090962e1f346d4d3cdf8f8ed34c8c211635e68941955b078b5b7ad6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb5f50725090962e1f346d4d3cdf8f8ed34c8c211635e68941955b078b5b7ad6", kill_on_drop: false }`
[INFO] [stdout] cb5f50725090962e1f346d4d3cdf8f8ed34c8c211635e68941955b078b5b7ad6
[INFO] testing CompactPrefixRadix-0.1.0 against beta-2025-02-18 for beta-1.86-1
[INFO] extracting crate CompactPrefixRadix 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate CompactPrefixRadix 0.1.0 on toolchain beta-2025-02-18
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-02-18" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate CompactPrefixRadix 0.1.0
[INFO] finished tweaking crates.io crate CompactPrefixRadix 0.1.0
[INFO] tweaked toml for crates.io crate CompactPrefixRadix 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate CompactPrefixRadix 0.1.0 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" "+beta-2025-02-18" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6c3aa9cba4ff54ac488225789224457450033e140c0b56a21d08c7e9e41824e
[INFO] running `Command { std: "docker" "start" "-a" "e6c3aa9cba4ff54ac488225789224457450033e140c0b56a21d08c7e9e41824e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6c3aa9cba4ff54ac488225789224457450033e140c0b56a21d08c7e9e41824e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6c3aa9cba4ff54ac488225789224457450033e140c0b56a21d08c7e9e41824e", kill_on_drop: false }`
[INFO] [stdout] e6c3aa9cba4ff54ac488225789224457450033e140c0b56a21d08c7e9e41824e
[INFO] testing CompactPrefixRadix-0.1.0 against beta-2025-02-18 for beta-1.86-1
[INFO] extracting crate CompactPrefixRadix 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate CompactPrefixRadix 0.1.0 on toolchain beta-2025-02-18
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-02-18" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate CompactPrefixRadix 0.1.0
[INFO] finished tweaking crates.io crate CompactPrefixRadix 0.1.0
[INFO] tweaked toml for crates.io crate CompactPrefixRadix 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate CompactPrefixRadix 0.1.0 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" "+beta-2025-02-18" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94fdccd5d6e9bcd921dc31b04a2bfd282fb31da7352ee3de1da947d0c1e7cdde
[INFO] running `Command { std: "docker" "start" "-a" "94fdccd5d6e9bcd921dc31b04a2bfd282fb31da7352ee3de1da947d0c1e7cdde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94fdccd5d6e9bcd921dc31b04a2bfd282fb31da7352ee3de1da947d0c1e7cdde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94fdccd5d6e9bcd921dc31b04a2bfd282fb31da7352ee3de1da947d0c1e7cdde", kill_on_drop: false }`
[INFO] [stdout] 94fdccd5d6e9bcd921dc31b04a2bfd282fb31da7352ee3de1da947d0c1e7cdde
[INFO] testing CompactPrefixRadix-0.1.0 against beta-2025-02-18 for beta-1.86-1
[INFO] extracting crate CompactPrefixRadix 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate CompactPrefixRadix 0.1.0 on toolchain beta-2025-02-18
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-02-18" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate CompactPrefixRadix 0.1.0
[INFO] finished tweaking crates.io crate CompactPrefixRadix 0.1.0
[INFO] tweaked toml for crates.io crate CompactPrefixRadix 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate CompactPrefixRadix 0.1.0 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" "+beta-2025-02-18" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9cfbb8d9171b0b2a9e8c4b43c9244f0b1acdd59b035914be711c03af382a2df2
[INFO] running `Command { std: "docker" "start" "-a" "9cfbb8d9171b0b2a9e8c4b43c9244f0b1acdd59b035914be711c03af382a2df2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cfbb8d9171b0b2a9e8c4b43c9244f0b1acdd59b035914be711c03af382a2df2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cfbb8d9171b0b2a9e8c4b43c9244f0b1acdd59b035914be711c03af382a2df2", kill_on_drop: false }`
[INFO] [stdout] 9cfbb8d9171b0b2a9e8c4b43c9244f0b1acdd59b035914be711c03af382a2df2
[INFO] testing CompactPrefixRadix-0.1.0 against beta-2025-02-18 for beta-1.86-1
[INFO] extracting crate CompactPrefixRadix 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate CompactPrefixRadix 0.1.0 on toolchain beta-2025-02-18
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-02-18" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate CompactPrefixRadix 0.1.0
[INFO] finished tweaking crates.io crate CompactPrefixRadix 0.1.0
[INFO] tweaked toml for crates.io crate CompactPrefixRadix 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate CompactPrefixRadix 0.1.0 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" "+beta-2025-02-18" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: symlink /proc/mounts /var/lib/docker/overlay2/4dcf839c8c30e36c44bd3ce692b59f9aca90ffc1959b70a51fa321abc83bcd68-init/merged/etc/mtab: file exists


sandbox container could not be created: command failed: exit status: 1

Error response from daemon: symlink /proc/mounts /var/lib/docker/overlay2/4dcf839c8c30e36c44bd3ce692b59f9aca90ffc1959b70a51fa321abc83bcd68-init/merged/etc/mtab: file exists

Caused by:
    command failed: exit status: 1
    
    Error response from daemon: symlink /proc/mounts /var/lib/docker/overlay2/4dcf839c8c30e36c44bd3ce692b59f9aca90ffc1959b70a51fa321abc83bcd68-init/merged/etc/mtab: file exists