[INFO] fetching crate debug_tree 0.4.0...
[INFO] testing debug_tree-0.4.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate debug_tree 0.4.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate debug_tree 0.4.0
[INFO] finished tweaking crates.io crate debug_tree 0.4.0
[INFO] tweaked toml for crates.io crate debug_tree 0.4.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate debug_tree 0.4.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate debug_tree 0.4.0 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pin-project-lite v0.1.4
[INFO] [stderr]   Downloaded proc-macro2 v1.0.9
[INFO] [stderr]   Downloaded futures-task v0.3.4
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.12
[INFO] [stderr]   Downloaded futures-sink v0.3.4
[INFO] [stderr]   Downloaded futures-macro v0.3.4
[INFO] [stderr]   Downloaded futures-core v0.3.4
[INFO] [stderr]   Downloaded proc-macro-nested v0.1.4
[INFO] [stderr]   Downloaded futures-io v0.3.4
[INFO] [stderr]   Downloaded once_cell v1.3.1
[INFO] [stderr]   Downloaded futures-executor v0.3.4
[INFO] [stderr]   Downloaded futures-channel v0.3.4
[INFO] [stderr]   Downloaded syn v1.0.16
[INFO] [stderr]   Downloaded bytes v0.5.4
[INFO] [stderr]   Downloaded futures v0.3.4
[INFO] [stderr]   Downloaded futures-util v0.3.4
[INFO] [stderr]   Downloaded tokio v0.2.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 7a57aaa383ad4608a40858297670af9eb856f0ceaf461f54a4ef2aa5ec545bca
[INFO] running `Command { std: "docker" "start" "7a57aaa383ad4608a40858297670af9eb856f0ceaf461f54a4ef2aa5ec545bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a57aaa383ad4608a40858297670af9eb856f0ceaf461f54a4ef2aa5ec545bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7a57aaa383ad4608a40858297670af9eb856f0ceaf461f54a4ef2aa5ec545bca" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a57aaa383ad4608a40858297670af9eb856f0ceaf461f54a4ef2aa5ec545bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7a57aaa383ad4608a40858297670af9eb856f0ceaf461f54a4ef2aa5ec545bca" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stderr]    Compiling debug_tree v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "7a57aaa383ad4608a40858297670af9eb856f0ceaf461f54a4ef2aa5ec545bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7a57aaa383ad4608a40858297670af9eb856f0ceaf461f54a4ef2aa5ec545bca" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling futures-sink v0.3.4
[INFO] [stderr]    Compiling futures-core v0.3.4
[INFO] [stderr]    Compiling futures-io v0.3.4
[INFO] [stderr]    Compiling futures-task v0.3.4
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling pin-project-lite v0.1.4
[INFO] [stderr]    Compiling futures-channel v0.3.4
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.12
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling tokio v0.2.13
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling futures-executor v0.3.4
[INFO] [stderr]    Compiling futures v0.3.4
[INFO] [stderr]    Compiling debug_tree v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::*`
[INFO] [stdout]    --> src/default.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |     use crate::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `max` and `min`
[INFO] [stdout]  --> src/test.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 |     use std::cmp::{max, min};
[INFO] [stdout]   |                    ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 12.38s
[INFO] running `Command { std: "docker" "inspect" "7a57aaa383ad4608a40858297670af9eb856f0ceaf461f54a4ef2aa5ec545bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7a57aaa383ad4608a40858297670af9eb856f0ceaf461f54a4ef2aa5ec545bca" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::*`
[INFO] [stderr]    --> src/default.rs:119:9
[INFO] [stderr]     |
[INFO] [stderr] 119 |     use crate::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `max` and `min`
[INFO] [stderr]  --> src/test.rs:5:20
[INFO] [stderr]   |
[INFO] [stderr] 5 |     use std::cmp::{max, min};
[INFO] [stderr]   |                    ^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `debug_tree` (lib test) generated 2 warnings (run `cargo fix --lib -p debug_tree --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/debug_tree-be8069fba39e409b)
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test default::test::named_branch ... ok
[INFO] [stdout] test test::test::async_barrier ... ok
[INFO] [stdout] test test::test::enabled_output ... ok
[INFO] [stdout] test test::test::format_output_thick ... ok
[INFO] [stdout] test test::test::format_output ... ok
[INFO] [stdout] test test::test::defer_peek_write ... FAILED
[INFO] [stdout] test test::test::depth ... ok
[INFO] [stdout] test test::test::indent ... ok
[INFO] [stdout] test test::test::defer_write ... FAILED
[INFO] [stdout] test test::test::macros ... ok
[INFO] [stdout] test test::test::format_output_rounded ... ok
[INFO] [stdout] test default::test::unnamed_branch ... ok
[INFO] [stdout] test test::test::macros2 ... ok
[INFO] [stdout] test test::test::defer_peek_write_panic - should panic ... ok
[INFO] [stdout] test default::test::leaf_with_value ... ok
[INFO] [stdout] test test::test::disabled_output ... ok
[INFO] [stdout] test test::test::format_output_pipes ... ok
[INFO] [stdout] test test::test::leaf_with_value ... ok
[INFO] [stdout] test test::test::format_output_dashed ... ok
[INFO] [stdout] test test::test::tree_by_name ... ok
[INFO] [stdout] test test::test::nested ... ok
[INFO] [stdout] test test::test::tree_by_name_disabled ... ok
[INFO] [stdout] test test::test::recursive ... ok
[INFO] [stdout] test test::test::macros_with_fn ... ok
[INFO] [stdout] test test::test::test_branch ... ok
[INFO] [stdout] test test::test::mid ... ok
[INFO] [stdout] test test::test::test_branch2 ... ok
[INFO] [stdout] test test::test::simple ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test::test::defer_peek_write stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'test::test::defer_peek_write' (722) panicked at src/test.rs:359:59:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5e710e2c3b21 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x5e710e2d7eaa - core[df12db4294e9bfd3]::fmt::write
[INFO] [stdout]    2:     0x5e710e2c806c - <alloc[2182bb758b4b3781]::vec::Vec<u8> as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x5e710e29f046 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x5e710e2bbcb9 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stdout]    5:     0x5e710e256ce0 - test[9d35eded1c95d3be]::test_main_inner::<test[9d35eded1c95d3be]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]    6:     0x5e710e2bbe72 - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x5e710e29f0f2 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x5e710e297b99 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x5e710e29fced - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stdout]   10:     0x5e710e2d85dc - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stdout]   11:     0x5e710e2d83b2 - core[df12db4294e9bfd3]::result::unwrap_failed
[INFO] [stdout]   12:     0x5e710e2364f3 - debug_tree[4e3b998be5a66064]::test::test::defer_peek_write
[INFO] [stdout]   13:     0x5e710e246259 - <debug_tree[4e3b998be5a66064]::test::test::defer_peek_write::{closure#0} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   14:     0x5e710e249fcb - test[9d35eded1c95d3be]::__rust_begin_short_backtrace::<core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>, fn() -> core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>>
[INFO] [stdout]   15:     0x5e710e257635 - test[9d35eded1c95d3be]::run_test::{closure#0}
[INFO] [stdout]   16:     0x5e710e250ef4 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>
[INFO] [stdout]   17:     0x5e710e25a792 - <std[70759c8f55707aa4]::thread::lifecycle::spawn_unchecked<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>::{closure#1} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   18:     0x5e710e2c3059 - <std[70759c8f55707aa4]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   19:     0x765fa0cb0dfa - <unknown>
[INFO] [stdout]   20:     0x765fa0d443d4 - clone
[INFO] [stdout]   21:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- test::test::defer_write stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'test::test::defer_write' (724) panicked at src/test.rs:340:54:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5e710e2c3b21 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x5e710e2d7eaa - core[df12db4294e9bfd3]::fmt::write
[INFO] [stdout]    2:     0x5e710e2c806c - <alloc[2182bb758b4b3781]::vec::Vec<u8> as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x5e710e29f046 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x5e710e2bbcb9 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stdout]    5:     0x5e710e256ce0 - test[9d35eded1c95d3be]::test_main_inner::<test[9d35eded1c95d3be]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]    6:     0x5e710e2bbe72 - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x5e710e29f0f2 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x5e710e297b99 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x5e710e29fced - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stdout]   10:     0x5e710e2d85dc - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stdout]   11:     0x5e710e2d83b2 - core[df12db4294e9bfd3]::result::unwrap_failed
[INFO] [stdout]   12:     0x5e710e233bd7 - debug_tree[4e3b998be5a66064]::test::test::defer_write
[INFO] [stdout]   13:     0x5e710e246119 - <debug_tree[4e3b998be5a66064]::test::test::defer_write::{closure#0} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   14:     0x5e710e249fcb - test[9d35eded1c95d3be]::__rust_begin_short_backtrace::<core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>, fn() -> core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>>
[INFO] [stdout]   15:     0x5e710e257635 - test[9d35eded1c95d3be]::run_test::{closure#0}
[INFO] [stdout]   16:     0x5e710e250ef4 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>
[INFO] [stdout]   17:     0x5e710e25a792 - <std[70759c8f55707aa4]::thread::lifecycle::spawn_unchecked<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>::{closure#1} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   18:     0x5e710e2c3059 - <std[70759c8f55707aa4]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   19:     0x765fa0cb0dfa - <unknown>
[INFO] [stdout]   20:     0x765fa0d443d4 - clone
[INFO] [stdout]   21:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test::test::defer_peek_write
[INFO] [stdout]     test::test::defer_write
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 26 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "7a57aaa383ad4608a40858297670af9eb856f0ceaf461f54a4ef2aa5ec545bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a57aaa383ad4608a40858297670af9eb856f0ceaf461f54a4ef2aa5ec545bca", kill_on_drop: false }`
[INFO] [stdout] 7a57aaa383ad4608a40858297670af9eb856f0ceaf461f54a4ef2aa5ec545bca
