[INFO] fetching crate merkle-cbt 0.3.2...
[INFO] testing merkle-cbt-0.3.2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate merkle-cbt 0.3.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate merkle-cbt 0.3.2
[INFO] finished tweaking crates.io crate merkle-cbt 0.3.2
[INFO] tweaked toml for crates.io crate merkle-cbt 0.3.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate merkle-cbt 0.3.2 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate merkle-cbt 0.3.2 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ba6ea384b2ce0f8d05a53a6567e44a1bc258ee2dffb52675f67119c0eae3f71
[INFO] running `Command { std: "docker" "start" "-a" "1ba6ea384b2ce0f8d05a53a6567e44a1bc258ee2dffb52675f67119c0eae3f71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ba6ea384b2ce0f8d05a53a6567e44a1bc258ee2dffb52675f67119c0eae3f71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ba6ea384b2ce0f8d05a53a6567e44a1bc258ee2dffb52675f67119c0eae3f71", kill_on_drop: false }`
[INFO] [stdout] 1ba6ea384b2ce0f8d05a53a6567e44a1bc258ee2dffb52675f67119c0eae3f71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37ddd909f758c8dea8d46f0268d21ec9ab96d85e509e248d55ae27ebcb909e42
[INFO] running `Command { std: "docker" "start" "-a" "37ddd909f758c8dea8d46f0268d21ec9ab96d85e509e248d55ae27ebcb909e42", kill_on_drop: false }`
[INFO] [stderr]    Compiling merkle-cbt v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "37ddd909f758c8dea8d46f0268d21ec9ab96d85e509e248d55ae27ebcb909e42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37ddd909f758c8dea8d46f0268d21ec9ab96d85e509e248d55ae27ebcb909e42", kill_on_drop: false }`
[INFO] [stdout] 37ddd909f758c8dea8d46f0268d21ec9ab96d85e509e248d55ae27ebcb909e42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbf0b4c2da2a2b60496f2be355c74cca014c81232d81b6b6c7fcfa3c7210e0c2
[INFO] running `Command { std: "docker" "start" "-a" "dbf0b4c2da2a2b60496f2be355c74cca014c81232d81b6b6c7fcfa3c7210e0c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling fastrand v1.6.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling quick-error v2.0.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling getrandom v0.2.4
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling proptest v1.0.0
[INFO] [stderr]    Compiling merkle-cbt v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 12.30s
[INFO] running `Command { std: "docker" "inspect" "dbf0b4c2da2a2b60496f2be355c74cca014c81232d81b6b6c7fcfa3c7210e0c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbf0b4c2da2a2b60496f2be355c74cca014c81232d81b6b6c7fcfa3c7210e0c2", kill_on_drop: false }`
[INFO] [stdout] dbf0b4c2da2a2b60496f2be355c74cca014c81232d81b6b6c7fcfa3c7210e0c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5b7f39324d95fd338af6e904a6f11673081700fbafc3dc79f1dabcdb884061b2
[INFO] running `Command { std: "docker" "start" "-a" "5b7f39324d95fd338af6e904a6f11673081700fbafc3dc79f1dabcdb884061b2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/merkle_cbt-de6c7b78d384411b)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test merkle_tree::tests::build_five ... ok
[INFO] [stdout] test merkle_tree::tests::build_one ... ok
[INFO] [stdout] test merkle_tree::tests::build_proof ... ok
[INFO] [stdout] test merkle_tree::tests::build_two ... ok
[INFO] [stdout] test merkle_tree::tests::verify_retrieve_leaves ... ok
[INFO] [stdout] test merkle_tree::tests::build_empty ... ok
[INFO] [stdout] test merkle_tree::tests::rebuild_proof ... ok
[INFO] [stdout] test merkle_tree::tests::build_root_directly ... ok
[INFO] [stdout] test merkle_tree::tests::build_root_is_same_as_tree_root ... ok
[INFO] [stderr]    Doc-tests merkle_cbt
[INFO] [stdout] test merkle_tree::tests::tree_root_is_same_as_proof_root ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.37s
[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" "5b7f39324d95fd338af6e904a6f11673081700fbafc3dc79f1dabcdb884061b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b7f39324d95fd338af6e904a6f11673081700fbafc3dc79f1dabcdb884061b2", kill_on_drop: false }`
[INFO] [stdout] 5b7f39324d95fd338af6e904a6f11673081700fbafc3dc79f1dabcdb884061b2