[INFO] fetching crate opt_struct 0.1.4...
[INFO] testing opt_struct-0.1.4 against beta-2025-04-13 for beta-1.87-1
[INFO] extracting crate opt_struct 0.1.4 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate opt_struct 0.1.4 on toolchain beta-2025-04-13
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate opt_struct 0.1.4
[INFO] finished tweaking crates.io crate opt_struct 0.1.4
[INFO] tweaked toml for crates.io crate opt_struct 0.1.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate opt_struct 0.1.4 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-2025-04-13" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing opt_struct-0.1.4 against beta-2025-04-13 for beta-1.87-1
[INFO] extracting crate opt_struct 0.1.4 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate opt_struct 0.1.4 on toolchain beta-2025-04-13
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate opt_struct 0.1.4
[INFO] finished tweaking crates.io crate opt_struct 0.1.4
[INFO] tweaked toml for crates.io crate opt_struct 0.1.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate opt_struct 0.1.4 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-2025-04-13" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: symlink ../8d96b381770410271a4bc26403c3c92c3baff7818af39f6d4bbe7d3f5f879549-init/diff /var/lib/docker/overlay2/l/HRNPWKSRH6H6YSAYWX7VYEEOSH: no space left on device
[INFO] testing opt_struct-0.1.4 against beta-2025-04-13 for beta-1.87-1
[INFO] extracting crate opt_struct 0.1.4 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate opt_struct 0.1.4 on toolchain beta-2025-04-13
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate opt_struct 0.1.4
[INFO] finished tweaking crates.io crate opt_struct 0.1.4
[INFO] tweaked toml for crates.io crate opt_struct 0.1.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate opt_struct 0.1.4 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-2025-04-13" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b339ef48aba11829b47d5a59c046ed7bfda6aefa9787a707a45b33efe7ad6ca
[INFO] running `Command { std: "docker" "start" "-a" "3b339ef48aba11829b47d5a59c046ed7bfda6aefa9787a707a45b33efe7ad6ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b339ef48aba11829b47d5a59c046ed7bfda6aefa9787a707a45b33efe7ad6ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b339ef48aba11829b47d5a59c046ed7bfda6aefa9787a707a45b33efe7ad6ca", kill_on_drop: false }`
[INFO] [stdout] 3b339ef48aba11829b47d5a59c046ed7bfda6aefa9787a707a45b33efe7ad6ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2855d8ee9c06212dda959f71824380fd39a538c72803210dccdf55cac1e2e175
[INFO] running `Command { std: "docker" "start" "-a" "2855d8ee9c06212dda959f71824380fd39a538c72803210dccdf55cac1e2e175", kill_on_drop: false }`
[INFO] [stderr]    Compiling opt_struct v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/hash_map.rs:215:32
[INFO] [stdout]     |
[INFO] [stdout] 215 | pub struct TupleMapper<'t,T,V>(&'t (T,V));
[INFO] [stdout]     |            -----------         ^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "2855d8ee9c06212dda959f71824380fd39a538c72803210dccdf55cac1e2e175", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2855d8ee9c06212dda959f71824380fd39a538c72803210dccdf55cac1e2e175", kill_on_drop: false }`
[INFO] [stdout] 2855d8ee9c06212dda959f71824380fd39a538c72803210dccdf55cac1e2e175
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e25aca609a040c53c19a75913222eb20175508f4e647ec3a38d987d86a7c081
[INFO] running `Command { std: "docker" "start" "-a" "8e25aca609a040c53c19a75913222eb20175508f4e647ec3a38d987d86a7c081", kill_on_drop: false }`
[INFO] [stderr]    Compiling opt_struct v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/hash_map.rs:215:32
[INFO] [stdout]     |
[INFO] [stdout] 215 | pub struct TupleMapper<'t,T,V>(&'t (T,V));
[INFO] [stdout]     |            -----------         ^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/hash_map.rs:215:32
[INFO] [stdout]     |
[INFO] [stdout] 215 | pub struct TupleMapper<'t,T,V>(&'t (T,V));
[INFO] [stdout]     |            -----------         ^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "8e25aca609a040c53c19a75913222eb20175508f4e647ec3a38d987d86a7c081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e25aca609a040c53c19a75913222eb20175508f4e647ec3a38d987d86a7c081", kill_on_drop: false }`
[INFO] [stdout] 8e25aca609a040c53c19a75913222eb20175508f4e647ec3a38d987d86a7c081
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ff5e6f6415c9a657c53f60ab6846a57710937d724a4bc1ec6c47b9f2155de437
[INFO] running `Command { std: "docker" "start" "-a" "ff5e6f6415c9a657c53f60ab6846a57710937d724a4bc1ec6c47b9f2155de437", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/hash_map.rs:215:32
[INFO] [stderr]     |
[INFO] [stderr] 215 | pub struct TupleMapper<'t,T,V>(&'t (T,V));
[INFO] [stderr]     |            -----------         ^^^^^^^^^
[INFO] [stderr]     |            |
[INFO] [stderr]     |            field in this struct
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider removing this field
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `opt_struct` (lib) generated 1 warning
[INFO] [stderr] warning: `opt_struct` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/opt_struct-89a75e1c52d9fe90)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test static_vec::test::basic_get ... ok
[INFO] [stdout] test static_vec::test::basic_into_iter ... ok
[INFO] [stdout] test static_vec::test::basic_iter ... ok
[INFO] [stdout] test static_vec::test::basic ... ok
[INFO] [stdout] test vec::test::basic_iter ... ok
[INFO] [stdout] test static_vec::test::basic_iter_mut ... ok
[INFO] [stdout] test vec::test::basic_get ... ok
[INFO] [stdout] test vec::test::basic_into_iter ... ok
[INFO] [stdout] test vec::test::basic ... ok
[INFO] [stdout] test vec::test::basic_iter_mut ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests opt_struct
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ff5e6f6415c9a657c53f60ab6846a57710937d724a4bc1ec6c47b9f2155de437", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff5e6f6415c9a657c53f60ab6846a57710937d724a4bc1ec6c47b9f2155de437", kill_on_drop: false }`
[INFO] [stdout] ff5e6f6415c9a657c53f60ab6846a57710937d724a4bc1ec6c47b9f2155de437