[INFO] fetching crate tskit-derive 0.1.0...
[INFO] testing tskit-derive-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate tskit-derive 0.1.0 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate tskit-derive 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tskit-derive 0.1.0
[INFO] finished tweaking crates.io crate tskit-derive 0.1.0
[INFO] tweaked toml for crates.io crate tskit-derive 0.1.0 written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7188619181ad5edf8c3a3d20c5d7ee43587454aff1340cf0a46b6eef7bc6a614
[INFO] running `Command { std: "docker" "start" "-a" "7188619181ad5edf8c3a3d20c5d7ee43587454aff1340cf0a46b6eef7bc6a614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7188619181ad5edf8c3a3d20c5d7ee43587454aff1340cf0a46b6eef7bc6a614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7188619181ad5edf8c3a3d20c5d7ee43587454aff1340cf0a46b6eef7bc6a614", kill_on_drop: false }`
[INFO] [stdout] 7188619181ad5edf8c3a3d20c5d7ee43587454aff1340cf0a46b6eef7bc6a614
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2f0d663b9c06700ee4f7df9bc6939d7ad864f02703eaffb48a100be8d58d9ac
[INFO] running `Command { std: "docker" "start" "-a" "b2f0d663b9c06700ee4f7df9bc6939d7ad864f02703eaffb48a100be8d58d9ac", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tskit-derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.17s
[INFO] running `Command { std: "docker" "inspect" "b2f0d663b9c06700ee4f7df9bc6939d7ad864f02703eaffb48a100be8d58d9ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2f0d663b9c06700ee4f7df9bc6939d7ad864f02703eaffb48a100be8d58d9ac", kill_on_drop: false }`
[INFO] [stdout] b2f0d663b9c06700ee4f7df9bc6939d7ad864f02703eaffb48a100be8d58d9ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2c7e159196f9ef7a1ad1e56bc4e6301a6a92bfc977c43955847a50105ecb182
[INFO] running `Command { std: "docker" "start" "-a" "b2c7e159196f9ef7a1ad1e56bc4e6301a6a92bfc977c43955847a50105ecb182", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tskit-derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "b2c7e159196f9ef7a1ad1e56bc4e6301a6a92bfc977c43955847a50105ecb182", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2c7e159196f9ef7a1ad1e56bc4e6301a6a92bfc977c43955847a50105ecb182", kill_on_drop: false }`
[INFO] [stdout] b2c7e159196f9ef7a1ad1e56bc4e6301a6a92bfc977c43955847a50105ecb182
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f43e6741b68f56f1de0e2ba9c833f5432b5e37a0f3b1faa6bd9cfd83825fe700
[INFO] running `Command { std: "docker" "start" "-a" "f43e6741b68f56f1de0e2ba9c833f5432b5e37a0f3b1faa6bd9cfd83825fe700", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tskit_derive-2ad39bc648d56301)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tskit-derive
[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] [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" "f43e6741b68f56f1de0e2ba9c833f5432b5e37a0f3b1faa6bd9cfd83825fe700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f43e6741b68f56f1de0e2ba9c833f5432b5e37a0f3b1faa6bd9cfd83825fe700", kill_on_drop: false }`
[INFO] [stdout] f43e6741b68f56f1de0e2ba9c833f5432b5e37a0f3b1faa6bd9cfd83825fe700