[INFO] cloning repository https://github.com/garyyu/rust-dag
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/garyyu/rust-dag" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaryyu%2Frust-dag", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaryyu%2Frust-dag'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d1e427807a0cf5a8ad4163bcf7fffab1da1d15bb
[INFO] testing garyyu/rust-dag against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaryyu%2Frust-dag" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/garyyu/rust-dag on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/garyyu/rust-dag
[INFO] finished tweaking git repo https://github.com/garyyu/rust-dag
[INFO] tweaked toml for git repo https://github.com/garyyu/rust-dag written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/garyyu/rust-dag already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b5bffd9faf065a8c089c4e2195a49f493fa664c43c0abe28c3cfa4317bfe135
[INFO] running `Command { std: "docker" "start" "-a" "7b5bffd9faf065a8c089c4e2195a49f493fa664c43c0abe28c3cfa4317bfe135", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b5bffd9faf065a8c089c4e2195a49f493fa664c43c0abe28c3cfa4317bfe135", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b5bffd9faf065a8c089c4e2195a49f493fa664c43c0abe28c3cfa4317bfe135", kill_on_drop: false }`
[INFO] [stdout] 7b5bffd9faf065a8c089c4e2195a49f493fa664c43c0abe28c3cfa4317bfe135
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c355842de998a3d45cb5d6bf188bd0d25f0ab354bf7c55edd1a3a3bce5a96ac2
[INFO] running `Command { std: "docker" "start" "-a" "c355842de998a3d45cb5d6bf188bd0d25f0ab354bf7c55edd1a3a3bce5a96ac2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling quick-error v1.2.1
[INFO] [stderr]    Compiling termcolor v0.3.6
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling regex-syntax v0.5.5
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling atty v0.2.9
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling env_logger v0.5.9
[INFO] [stderr]    Compiling blockdag v0.1.0 (/opt/rustwide/workdir/blockdag)
[INFO] [stdout] warning: unused label
[INFO] [stdout]   --> blockdag/src/blockdag/dagsim.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     'outer: for reference in references {
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> blockdag/src/blockdag/dagsim.rs:44:24
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 panic!(except_message);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 panic!("{}", except_message);
[INFO] [stdout]    |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 std::panic::panic_any(except_message);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling godag v0.1.0 (/opt/rustwide/workdir/godag)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.31s
[INFO] running `Command { std: "docker" "inspect" "c355842de998a3d45cb5d6bf188bd0d25f0ab354bf7c55edd1a3a3bce5a96ac2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c355842de998a3d45cb5d6bf188bd0d25f0ab354bf7c55edd1a3a3bce5a96ac2", kill_on_drop: false }`
[INFO] [stdout] c355842de998a3d45cb5d6bf188bd0d25f0ab354bf7c55edd1a3a3bce5a96ac2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2c18c716e2c26e70a4d4309939d8b659d07dd6d132fa6c5cbaf01f26f2bed0e
[INFO] running `Command { std: "docker" "start" "-a" "c2c18c716e2c26e70a4d4309939d8b659d07dd6d132fa6c5cbaf01f26f2bed0e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: unused label
[INFO] [stdout]   --> blockdag/src/blockdag/dagsim.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     'outer: for reference in references {
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> blockdag/src/blockdag/dagsim.rs:44:24
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 panic!(except_message);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 panic!("{}", except_message);
[INFO] [stdout]    |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 std::panic::panic_any(except_message);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling blockdag v0.1.0 (/opt/rustwide/workdir/blockdag)
[INFO] [stderr]    Compiling godag v0.1.0 (/opt/rustwide/workdir/godag)
[INFO] [stdout] warning: unused label
[INFO] [stdout]   --> blockdag/src/blockdag/dagsim.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     'outer: for reference in references {
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]    --> blockdag/src/lib.rs:789:13
[INFO] [stdout]     |
[INFO] [stdout] 789 |             'dis_outer: loop {
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> blockdag/src/blockdag/dagsim.rs:44:24
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 panic!(except_message);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 panic!("{}", except_message);
[INFO] [stdout]    |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 std::panic::panic_any(except_message);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 18.06s
[INFO] running `Command { std: "docker" "inspect" "c2c18c716e2c26e70a4d4309939d8b659d07dd6d132fa6c5cbaf01f26f2bed0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2c18c716e2c26e70a4d4309939d8b659d07dd6d132fa6c5cbaf01f26f2bed0e", kill_on_drop: false }`
[INFO] [stdout] c2c18c716e2c26e70a4d4309939d8b659d07dd6d132fa6c5cbaf01f26f2bed0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 62c77a4726267933306e945428e42ab43cd625b5e02e44c13fa22fc9ea703afd
[INFO] running `Command { std: "docker" "start" "-a" "62c77a4726267933306e945428e42ab43cd625b5e02e44c13fa22fc9ea703afd", kill_on_drop: false }`
[INFO] [stderr] warning: unused label
[INFO] [stderr]   --> blockdag/src/blockdag/dagsim.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     'outer: for reference in references {
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_labels)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> blockdag/src/blockdag/dagsim.rs:44:24
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 panic!(except_message);
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 panic!("{}", except_message);
[INFO] [stderr]    |                        ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 std::panic::panic_any(except_message);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused label
[INFO] [stderr]   --> blockdag/src/blockdag/dagsim.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     'outer: for reference in references {
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_labels)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused label
[INFO] [stderr]    --> blockdag/src/lib.rs:789:13
[INFO] [stderr]     |
[INFO] [stderr] 789 |             'dis_outer: loop {
[INFO] [stderr]     |             ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> blockdag/src/blockdag/dagsim.rs:44:24
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 panic!(except_message);
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 panic!("{}", except_message);
[INFO] [stderr]    |                        ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 std::panic::panic_any(except_message);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/blockdag-5b80de68e9b392db)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::test_anticone ... ok
[INFO] [stdout] test tests::test_fig_x2 ... ok
[INFO] [stdout] test tests::test_fig3 ... ok
[INFO] [stdout] test tests::test_fig_x1 ... ok
[INFO] [stdout] test tests::test_fig4 ... ok
[INFO] [stdout] test tests::test_fig_x3 ... ok
[INFO] [stdout] test tests::test_add_block has been running for over 60 seconds
[INFO] [stdout] test tests::test_nodes_sync has been running for over 60 seconds
[INFO] [stdout] test tests::test_nodes_sync ... ok
[INFO] [stderr] error: test failed, to rerun pass '-p blockdag --lib'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/blockdag-5b80de68e9b392db` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "62c77a4726267933306e945428e42ab43cd625b5e02e44c13fa22fc9ea703afd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62c77a4726267933306e945428e42ab43cd625b5e02e44c13fa22fc9ea703afd", kill_on_drop: false }`
[INFO] [stdout] 62c77a4726267933306e945428e42ab43cd625b5e02e44c13fa22fc9ea703afd