[INFO] fetching crate debug_tree 0.4.0...
[INFO] testing debug_tree-0.4.0 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate debug_tree 0.4.0 into /workspace/builds/worker-5-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate debug_tree 0.4.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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] c463822e02c6ad26157f62c396284cea8d9e5653c128414435d1c70cd7a31974
[INFO] running `Command { std: "docker" "start" "c463822e02c6ad26157f62c396284cea8d9e5653c128414435d1c70cd7a31974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c463822e02c6ad26157f62c396284cea8d9e5653c128414435d1c70cd7a31974", 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" "c463822e02c6ad26157f62c396284cea8d9e5653c128414435d1c70cd7a31974" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c463822e02c6ad26157f62c396284cea8d9e5653c128414435d1c70cd7a31974", 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" "c463822e02c6ad26157f62c396284cea8d9e5653c128414435d1c70cd7a31974" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "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 0.88s
[INFO] running `Command { std: "docker" "inspect" "c463822e02c6ad26157f62c396284cea8d9e5653c128414435d1c70cd7a31974", 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" "c463822e02c6ad26157f62c396284cea8d9e5653c128414435d1c70cd7a31974" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "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-task v0.3.4
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling futures-io v0.3.4
[INFO] [stderr]    Compiling pin-project-lite v0.1.4
[INFO] [stderr]    Compiling bytes v0.5.4
[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 futures-macro v0.3.4
[INFO] [stderr]    Compiling tokio v0.2.13
[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 12.34s
[INFO] running `Command { std: "docker" "inspect" "c463822e02c6ad26157f62c396284cea8d9e5653c128414435d1c70cd7a31974", 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" "c463822e02c6ad26157f62c396284cea8d9e5653c128414435d1c70cd7a31974" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "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/build/debug_tree/be8069fba39e409b/out/debug_tree-be8069fba39e409b)
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test test::test::format_output_thick ... ok
[INFO] [stdout] test test::test::async_barrier ... ok
[INFO] [stdout] test test::test::indent ... ok
[INFO] [stdout] test test::test::depth ... ok
[INFO] [stdout] test test::test::defer_peek_write ... FAILED
[INFO] [stdout] test default::test::leaf_with_value ... ok
[INFO] [stdout] test test::test::format_output_rounded ... ok
[INFO] [stdout] test test::test::defer_peek_write_panic - should panic ... ok
[INFO] [stdout] test test::test::enabled_output ... ok
[INFO] [stdout] test test::test::format_output_pipes ... ok
[INFO] [stdout] test default::test::named_branch ... ok
[INFO] [stdout] test test::test::disabled_output ... ok
[INFO] [stdout] test test::test::defer_write ... FAILED
[INFO] [stdout] test default::test::unnamed_branch ... ok
[INFO] [stdout] test test::test::format_output ... ok
[INFO] [stdout] test test::test::leaf_with_value ... ok
[INFO] [stdout] test test::test::macros2 ... ok
[INFO] [stdout] test test::test::macros ... ok
[INFO] [stdout] test test::test::macros_with_fn ... ok
[INFO] [stdout] test test::test::nested ... ok
[INFO] [stdout] test test::test::mid ... ok
[INFO] [stdout] test test::test::tree_by_name ... ok
[INFO] [stdout] test test::test::tree_by_name_disabled ... ok
[INFO] [stdout] test test::test::test_branch ... ok
[INFO] [stdout] test test::test::test_branch2 ... ok
[INFO] [stdout] test test::test::recursive ... ok
[INFO] [stdout] test test::test::format_output_dashed ... 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' (718) 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:     0x61b5c58daf61 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x61b5c58ef00a - core[a373ad73a504971]::fmt::write
[INFO] [stdout]    2:     0x61b5c58df22c - <alloc[2e1b2a31b91974c5]::vec::Vec<u8> as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x61b5c58b63f6 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x61b5c58d3029 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stdout]    5:     0x61b5c586e370 - test[aada8e7e76ba119b]::test_main_inner::{closure#0}
[INFO] [stdout]    6:     0x61b5c58d31e2 - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x61b5c58b64a2 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x61b5c58aeed9 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x61b5c58b70ad - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stdout]   10:     0x61b5c58ef73c - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stdout]   11:     0x61b5c58ef512 - core[a373ad73a504971]::result::unwrap_failed
[INFO] [stdout]   12:     0x61b5c584ec20 - <debug_tree[51f8f5778f3b4a56]::test::test::defer_peek_write::{closure#0} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   13:     0x61b5c58617bb - test[aada8e7e76ba119b]::__rust_begin_short_backtrace::<core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>, fn() -> core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>>
[INFO] [stdout]   14:     0x61b5c586e995 - test[aada8e7e76ba119b]::run_test::{closure#0}
[INFO] [stdout]   15:     0x61b5c5868284 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>
[INFO] [stdout]   16:     0x61b5c5871a22 - <std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   17:     0x61b5c58da42f - <std[617be2ca0a6fd877]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   18:     0x744aeb283dfa - <unknown>
[INFO] [stdout]   19:     0x744aeb3173d4 - clone
[INFO] [stdout]   20:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- test::test::defer_write stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'test::test::defer_write' (720) 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:     0x61b5c58daf61 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x61b5c58ef00a - core[a373ad73a504971]::fmt::write
[INFO] [stdout]    2:     0x61b5c58df22c - <alloc[2e1b2a31b91974c5]::vec::Vec<u8> as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x61b5c58b63f6 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x61b5c58d3029 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stdout]    5:     0x61b5c586e370 - test[aada8e7e76ba119b]::test_main_inner::{closure#0}
[INFO] [stdout]    6:     0x61b5c58d31e2 - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x61b5c58b64a2 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout]    8:     0x61b5c58aeed9 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x61b5c58b70ad - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stdout]   10:     0x61b5c58ef73c - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stdout]   11:     0x61b5c58ef512 - core[a373ad73a504971]::result::unwrap_failed
[INFO] [stdout]   12:     0x61b5c584c2c4 - <debug_tree[51f8f5778f3b4a56]::test::test::defer_write::{closure#0} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   13:     0x61b5c58617bb - test[aada8e7e76ba119b]::__rust_begin_short_backtrace::<core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>, fn() -> core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>>
[INFO] [stdout]   14:     0x61b5c586e995 - test[aada8e7e76ba119b]::run_test::{closure#0}
[INFO] [stdout]   15:     0x61b5c5868284 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>
[INFO] [stdout]   16:     0x61b5c5871a22 - <std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   17:     0x61b5c58da42f - <std[617be2ca0a6fd877]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   18:     0x744aeb283dfa - <unknown>
[INFO] [stdout]   19:     0x744aeb3173d4 - clone
[INFO] [stdout]   20:                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 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c463822e02c6ad26157f62c396284cea8d9e5653c128414435d1c70cd7a31974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c463822e02c6ad26157f62c396284cea8d9e5653c128414435d1c70cd7a31974", kill_on_drop: false }`
[INFO] [stdout] c463822e02c6ad26157f62c396284cea8d9e5653c128414435d1c70cd7a31974
