[INFO] fetching crate bridgetree 0.4.0...
[INFO] testing bridgetree-0.4.0 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate bridgetree 0.4.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate bridgetree 0.4.0 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bridgetree 0.4.0
[INFO] finished tweaking crates.io crate bridgetree 0.4.0
[INFO] tweaked toml for crates.io crate bridgetree 0.4.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 41 packages to latest compatible versions
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (latest: v0.6.4)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded incrementalmerkletree v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ac3100ff25d4111634223858abecd86408c035bd2600ec618565d704f5b7b72
[INFO] running `Command { std: "docker" "start" "-a" "5ac3100ff25d4111634223858abecd86408c035bd2600ec618565d704f5b7b72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ac3100ff25d4111634223858abecd86408c035bd2600ec618565d704f5b7b72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ac3100ff25d4111634223858abecd86408c035bd2600ec618565d704f5b7b72", kill_on_drop: false }`
[INFO] [stdout] 5ac3100ff25d4111634223858abecd86408c035bd2600ec618565d704f5b7b72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a97e8fe4b5f5297520aebec4b3e3508c78122f06182a8b3f8d78585e5c75a628
[INFO] running `Command { std: "docker" "start" "-a" "a97e8fe4b5f5297520aebec4b3e3508c78122f06182a8b3f8d78585e5c75a628", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.12.0
[INFO] [stderr]    Compiling incrementalmerkletree v0.5.1
[INFO] [stderr]    Compiling bridgetree v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:828:24
[INFO] [stdout]     |
[INFO] [stdout] 828 |             Checkpoint(usize, &'a Checkpoint<C>),
[INFO] [stdout]     |             ---------- ^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 828 |             Checkpoint((), &'a Checkpoint<C>),
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "a97e8fe4b5f5297520aebec4b3e3508c78122f06182a8b3f8d78585e5c75a628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a97e8fe4b5f5297520aebec4b3e3508c78122f06182a8b3f8d78585e5c75a628", kill_on_drop: false }`
[INFO] [stdout] a97e8fe4b5f5297520aebec4b3e3508c78122f06182a8b3f8d78585e5c75a628
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5551c24077647d2a308deaa0ccfdd3f1c841f68c43ee4bfae2366b8448900015
[INFO] running `Command { std: "docker" "start" "-a" "5551c24077647d2a308deaa0ccfdd3f1c841f68c43ee4bfae2366b8448900015", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling unarray v0.1.4
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling proptest v1.4.0
[INFO] [stderr]    Compiling incrementalmerkletree v0.5.1
[INFO] [stderr]    Compiling bridgetree v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:828:24
[INFO] [stdout]     |
[INFO] [stdout] 828 |             Checkpoint(usize, &'a Checkpoint<C>),
[INFO] [stdout]     |             ---------- ^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 828 |             Checkpoint((), &'a Checkpoint<C>),
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:828:24
[INFO] [stdout]     |
[INFO] [stdout] 828 |             Checkpoint(usize, &'a Checkpoint<C>),
[INFO] [stdout]     |             ---------- ^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 828 |             Checkpoint((), &'a Checkpoint<C>),
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.92s
[INFO] running `Command { std: "docker" "inspect" "5551c24077647d2a308deaa0ccfdd3f1c841f68c43ee4bfae2366b8448900015", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5551c24077647d2a308deaa0ccfdd3f1c841f68c43ee4bfae2366b8448900015", kill_on_drop: false }`
[INFO] [stdout] 5551c24077647d2a308deaa0ccfdd3f1c841f68c43ee4bfae2366b8448900015
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c7cc62b9ca2b5df68ee67a51fdbd459b878e150565ce6c0776fb334a652073e2
[INFO] running `Command { std: "docker" "start" "-a" "c7cc62b9ca2b5df68ee67a51fdbd459b878e150565ce6c0776fb334a652073e2", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/lib.rs:828:24
[INFO] [stderr]     |
[INFO] [stderr] 828 |             Checkpoint(usize, &'a Checkpoint<C>),
[INFO] [stderr]     |             ---------- ^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 828 |             Checkpoint((), &'a Checkpoint<C>),
[INFO] [stderr]     |                        ~~
[INFO] [stderr] 
[INFO] [stderr] warning: `bridgetree` (lib) generated 1 warning
[INFO] [stderr] warning: `bridgetree` (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/bridgetree-19e508060354a453)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test tests::garbage_collect ... ok
[INFO] [stdout] test tests::combined_remove_mark ... ok
[INFO] [stdout] test tests::checkpoint_rewind ... ok
[INFO] [stdout] test tests::combined_rewind_remove_mark ... ok
[INFO] [stdout] test tests::root_hashes ... ok
[INFO] [stdout] test tests::witness ... ok
[INFO] [stdout] test tests::tree_depth ... ok
[INFO] [stdout] test tests::rewind_remove_mark ... ok
[INFO] [stdout] test tests::bridgetree_from_parts ... ok
[INFO] [stdout] test tests::prop_garbage_collect ... ok
[INFO] [stdout] test tests::check_randomized_str_ops has been running for over 60 seconds
[INFO] [stdout] test tests::check_randomized_u64_ops has been running for over 60 seconds
[INFO] [stdout] test tests::check_randomized_u64_ops ... ok
[INFO] [stdout] test tests::check_randomized_str_ops ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 343.50s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bridgetree
[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" "c7cc62b9ca2b5df68ee67a51fdbd459b878e150565ce6c0776fb334a652073e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7cc62b9ca2b5df68ee67a51fdbd459b878e150565ce6c0776fb334a652073e2", kill_on_drop: false }`
[INFO] [stdout] c7cc62b9ca2b5df68ee67a51fdbd459b878e150565ce6c0776fb334a652073e2
[INFO] testing bridgetree-0.4.0 against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] extracting crate bridgetree 0.4.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate bridgetree 0.4.0 on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bridgetree 0.4.0
[INFO] finished tweaking crates.io crate bridgetree 0.4.0
[INFO] tweaked toml for crates.io crate bridgetree 0.4.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 41 packages to latest compatible versions
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (latest: v0.6.4)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22e30d22e6465641d0645a80fbc12f7bf54d3f29c9e43719047077f37b265e02
[INFO] running `Command { std: "docker" "start" "-a" "22e30d22e6465641d0645a80fbc12f7bf54d3f29c9e43719047077f37b265e02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22e30d22e6465641d0645a80fbc12f7bf54d3f29c9e43719047077f37b265e02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22e30d22e6465641d0645a80fbc12f7bf54d3f29c9e43719047077f37b265e02", kill_on_drop: false }`
[INFO] [stdout] 22e30d22e6465641d0645a80fbc12f7bf54d3f29c9e43719047077f37b265e02
[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_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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dadd8e97660649c4e20028c61e30739d02844628da955cbe365988ff51b2c7e4
[INFO] running `Command { std: "docker" "start" "-a" "dadd8e97660649c4e20028c61e30739d02844628da955cbe365988ff51b2c7e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.12.0
[INFO] [stderr]    Compiling incrementalmerkletree v0.5.1
[INFO] [stderr]    Compiling bridgetree v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:828:24
[INFO] [stdout]     |
[INFO] [stdout] 828 |             Checkpoint(usize, &'a Checkpoint<C>),
[INFO] [stdout]     |             ---------- ^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 828 |             Checkpoint((), &'a Checkpoint<C>),
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "dadd8e97660649c4e20028c61e30739d02844628da955cbe365988ff51b2c7e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dadd8e97660649c4e20028c61e30739d02844628da955cbe365988ff51b2c7e4", kill_on_drop: false }`
[INFO] [stdout] dadd8e97660649c4e20028c61e30739d02844628da955cbe365988ff51b2c7e4
[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_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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4401d8244343ff6f572863983472b0d04fec772bdc759cbbf2f2817f3de64f7e
[INFO] running `Command { std: "docker" "start" "-a" "4401d8244343ff6f572863983472b0d04fec772bdc759cbbf2f2817f3de64f7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling unarray v0.1.4
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling proptest v1.4.0
[INFO] [stderr]    Compiling incrementalmerkletree v0.5.1
[INFO] [stderr]    Compiling bridgetree v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:828:24
[INFO] [stdout]     |
[INFO] [stdout] 828 |             Checkpoint(usize, &'a Checkpoint<C>),
[INFO] [stdout]     |             ---------- ^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 828 |             Checkpoint((), &'a Checkpoint<C>),
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:828:24
[INFO] [stdout]     |
[INFO] [stdout] 828 |             Checkpoint(usize, &'a Checkpoint<C>),
[INFO] [stdout]     |             ---------- ^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 828 |             Checkpoint((), &'a Checkpoint<C>),
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.16s
[INFO] running `Command { std: "docker" "inspect" "4401d8244343ff6f572863983472b0d04fec772bdc759cbbf2f2817f3de64f7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4401d8244343ff6f572863983472b0d04fec772bdc759cbbf2f2817f3de64f7e", kill_on_drop: false }`
[INFO] [stdout] 4401d8244343ff6f572863983472b0d04fec772bdc759cbbf2f2817f3de64f7e
[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_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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6e08de920c1845a3f7ebfd4715ffc23528976aad34568880c38306b4c84b1d46
[INFO] running `Command { std: "docker" "start" "-a" "6e08de920c1845a3f7ebfd4715ffc23528976aad34568880c38306b4c84b1d46", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/lib.rs:828:24
[INFO] [stderr]     |
[INFO] [stderr] 828 |             Checkpoint(usize, &'a Checkpoint<C>),
[INFO] [stderr]     |             ---------- ^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 828 |             Checkpoint((), &'a Checkpoint<C>),
[INFO] [stderr]     |                        ~~
[INFO] [stderr] 
[INFO] [stderr] warning: `bridgetree` (lib) generated 1 warning
[INFO] [stderr] warning: `bridgetree` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bridgetree-19e508060354a453)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test tests::garbage_collect ... ok
[INFO] [stdout] test tests::checkpoint_rewind ... ok
[INFO] [stdout] test tests::rewind_remove_mark ... ok
[INFO] [stdout] test tests::combined_rewind_remove_mark ... ok
[INFO] [stdout] test tests::combined_remove_mark ... ok
[INFO] [stdout] test tests::witness ... ok
[INFO] [stdout] test tests::root_hashes ... ok
[INFO] [stdout] test tests::tree_depth ... ok
[INFO] [stdout] test tests::prop_garbage_collect ... ok
[INFO] [stdout] test tests::bridgetree_from_parts ... ok
[INFO] [stdout] test tests::check_randomized_str_ops has been running for over 60 seconds
[INFO] [stdout] test tests::check_randomized_u64_ops has been running for over 60 seconds
[INFO] [stdout] test tests::check_randomized_u64_ops ... ok
[INFO] [stdout] test tests::check_randomized_str_ops ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 357.51s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bridgetree
[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" "6e08de920c1845a3f7ebfd4715ffc23528976aad34568880c38306b4c84b1d46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e08de920c1845a3f7ebfd4715ffc23528976aad34568880c38306b4c84b1d46", kill_on_drop: false }`
[INFO] [stdout] 6e08de920c1845a3f7ebfd4715ffc23528976aad34568880c38306b4c84b1d46
