[INFO] fetching crate gemla 0.1.2...
[INFO] testing gemla-0.1.2 against 1.59.0 for beta-1.60-1
[INFO] extracting crate gemla 0.1.2 into /workspace/builds/worker-25/source
[INFO] validating manifest of crates.io crate gemla 0.1.2 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gemla 0.1.2
[INFO] finished tweaking crates.io crate gemla 0.1.2
[INFO] tweaked toml for crates.io crate gemla 0.1.2 written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] crate crates.io crate gemla 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96ec7e0c0c6627d4ec92dd0bbf6d517fd276a58f8c0d5e23be3c7dfea7e49d4e
[INFO] running `Command { std: "docker" "start" "-a" "96ec7e0c0c6627d4ec92dd0bbf6d517fd276a58f8c0d5e23be3c7dfea7e49d4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96ec7e0c0c6627d4ec92dd0bbf6d517fd276a58f8c0d5e23be3c7dfea7e49d4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96ec7e0c0c6627d4ec92dd0bbf6d517fd276a58f8c0d5e23be3c7dfea7e49d4e", kill_on_drop: false }`
[INFO] [stdout] 96ec7e0c0c6627d4ec92dd0bbf6d517fd276a58f8c0d5e23be3c7dfea7e49d4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9dc0e29e7e9030f6edb34e9d1cc525b16d40890eebe4d27c187ad57d0d00a90
[INFO] running `Command { std: "docker" "start" "-a" "f9dc0e29e7e9030f6edb34e9d1cc525b16d40890eebe4d27c187ad57d0d00a90", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.27.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling file_linked v0.1.2
[INFO] [stderr]    Compiling gemla v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.09s
[INFO] running `Command { std: "docker" "inspect" "f9dc0e29e7e9030f6edb34e9d1cc525b16d40890eebe4d27c187ad57d0d00a90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9dc0e29e7e9030f6edb34e9d1cc525b16d40890eebe4d27c187ad57d0d00a90", kill_on_drop: false }`
[INFO] [stdout] f9dc0e29e7e9030f6edb34e9d1cc525b16d40890eebe4d27c187ad57d0d00a90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d60d28fedc84186e814ac069347352b43eeb64f3a00e374654a24f09963378b
[INFO] running `Command { std: "docker" "start" "-a" "9d60d28fedc84186e814ac069347352b43eeb64f3a00e374654a24f09963378b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling gemla v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `Command { std: "docker" "inspect" "9d60d28fedc84186e814ac069347352b43eeb64f3a00e374654a24f09963378b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d60d28fedc84186e814ac069347352b43eeb64f3a00e374654a24f09963378b", kill_on_drop: false }`
[INFO] [stdout] 9d60d28fedc84186e814ac069347352b43eeb64f3a00e374654a24f09963378b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 56514179e7ef4c9b77caf560638ae00d2835599dfac080f1cbded7bc30b7667d
[INFO] running `Command { std: "docker" "start" "-a" "56514179e7ef4c9b77caf560638ae00d2835599dfac080f1cbded7bc30b7667d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gemla-214f176e8999b632)
[INFO] [stdout] test tree::tests::test_height ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bin-aa1246dff00a0aa7)
[INFO] [stdout] test tree::tests::test_new ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_state::tests::test_initialize ... ok
[INFO] [stderr]    Doc-tests gemla
[INFO] [stdout] test test_state::tests::test_merge ... ok
[INFO] [stdout] test test_state::tests::test_mutate ... ok
[INFO] [stdout] test test_state::tests::test_simulate ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/tree/mod.rs - tree (line 5) ... ok
[INFO] [stdout] test src/tree/mod.rs - tree::Tree<T>::new (line 105) ... ok
[INFO] [stdout] test src/tree/mod.rs - tree::Tree (line 26) ... ok
[INFO] [stdout] test src/tree/mod.rs - tree::Tree<T>::height (line 123) ... ok
[INFO] [stdout] test src/tree/mod.rs - tree::btree (line 50) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.65s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "56514179e7ef4c9b77caf560638ae00d2835599dfac080f1cbded7bc30b7667d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56514179e7ef4c9b77caf560638ae00d2835599dfac080f1cbded7bc30b7667d", kill_on_drop: false }`
[INFO] [stdout] 56514179e7ef4c9b77caf560638ae00d2835599dfac080f1cbded7bc30b7667d