[INFO] fetching crate bridgetree 0.7.0...
[INFO] testing bridgetree-0.7.0 against 1.93.0 for beta-1.94-1
[INFO] extracting crate bridgetree 0.7.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate bridgetree 0.7.0
[INFO] finished tweaking crates.io crate bridgetree 0.7.0
[INFO] tweaked toml for crates.io crate bridgetree 0.7.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate bridgetree 0.7.0 on toolchain 1.93.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.93.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate bridgetree 0.7.0 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" "+1.93.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded incrementalmerkletree-testing v0.2.0-backcompat.0.8
[INFO] [stderr]   Downloaded tempfile v3.6.0
[INFO] [stderr]   Downloaded incrementalmerkletree v0.8.2
[INFO] [stderr]   Downloaded proptest v1.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7cbe2ccab606f54e3abcff6f81ef0290dc00075bfa36007482b1464dc8585176
[INFO] running `Command { std: "docker" "start" "-a" "7cbe2ccab606f54e3abcff6f81ef0290dc00075bfa36007482b1464dc8585176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cbe2ccab606f54e3abcff6f81ef0290dc00075bfa36007482b1464dc8585176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cbe2ccab606f54e3abcff6f81ef0290dc00075bfa36007482b1464dc8585176", kill_on_drop: false }`
[INFO] [stdout] 7cbe2ccab606f54e3abcff6f81ef0290dc00075bfa36007482b1464dc8585176
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a99ae3bc400d75bcd8680ba857d2b217ff68b0f54126fc51db63c9cf443a798
[INFO] running `Command { std: "docker" "start" "-a" "1a99ae3bc400d75bcd8680ba857d2b217ff68b0f54126fc51db63c9cf443a798", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling incrementalmerkletree v0.8.2
[INFO] [stderr]    Compiling bridgetree v0.7.0 (/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: `AuthBase` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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(usize, &'a Checkpoint<C>),
[INFO] [stdout] 828 +             Checkpoint((), &'a Checkpoint<C>),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "1a99ae3bc400d75bcd8680ba857d2b217ff68b0f54126fc51db63c9cf443a798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a99ae3bc400d75bcd8680ba857d2b217ff68b0f54126fc51db63c9cf443a798", kill_on_drop: false }`
[INFO] [stdout] 1a99ae3bc400d75bcd8680ba857d2b217ff68b0f54126fc51db63c9cf443a798
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c69b0863c71efd72987f15a84f392f8e1f9748dcc95dc2ef4398d48aeb98d8bc
[INFO] running `Command { std: "docker" "start" "-a" "c69b0863c71efd72987f15a84f392f8e1f9748dcc95dc2ef4398d48aeb98d8bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling tempfile v3.6.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[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 proptest v1.2.0
[INFO] [stderr]    Compiling incrementalmerkletree v0.8.2
[INFO] [stderr]    Compiling incrementalmerkletree-testing v0.2.0-backcompat.0.8
[INFO] [stderr]    Compiling bridgetree v0.7.0 (/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: `AuthBase` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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(usize, &'a Checkpoint<C>),
[INFO] [stdout] 828 +             Checkpoint((), &'a Checkpoint<C>),
[INFO] [stdout]     |
[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: `AuthBase` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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(usize, &'a Checkpoint<C>),
[INFO] [stdout] 828 +             Checkpoint((), &'a Checkpoint<C>),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 21.89s
[INFO] running `Command { std: "docker" "inspect" "c69b0863c71efd72987f15a84f392f8e1f9748dcc95dc2ef4398d48aeb98d8bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c69b0863c71efd72987f15a84f392f8e1f9748dcc95dc2ef4398d48aeb98d8bc", kill_on_drop: false }`
[INFO] [stdout] c69b0863c71efd72987f15a84f392f8e1f9748dcc95dc2ef4398d48aeb98d8bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0b9f3c876ac6c2bf9b713e898e8245f17c446e32fed7e12fd79adabbbab3cb4e
[INFO] running `Command { std: "docker" "start" "-a" "0b9f3c876ac6c2bf9b713e898e8245f17c446e32fed7e12fd79adabbbab3cb4e", 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: `AuthBase` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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(usize, &'a Checkpoint<C>),
[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-fb78ab9be7b582d9)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test tests::checkpoint_rewind ... ok
[INFO] [stdout] test tests::combined_rewind_remove_mark ... ok
[INFO] [stdout] test tests::rewind_remove_mark ... ok
[INFO] [stdout] test tests::tree_depth ... ok
[INFO] [stdout] test tests::combined_remove_mark ... ok
[INFO] [stdout] test tests::root_hashes ... ok
[INFO] [stdout] test tests::witness ... ok
[INFO] [stdout] test tests::garbage_collect ... 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
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "0b9f3c876ac6c2bf9b713e898e8245f17c446e32fed7e12fd79adabbbab3cb4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b9f3c876ac6c2bf9b713e898e8245f17c446e32fed7e12fd79adabbbab3cb4e", kill_on_drop: false }`
[INFO] [stdout] 0b9f3c876ac6c2bf9b713e898e8245f17c446e32fed7e12fd79adabbbab3cb4e
