[INFO] fetching crate breaktarget 0.1.0...
[INFO] testing breaktarget-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate breaktarget 0.1.0 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate breaktarget 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate breaktarget 0.1.0
[INFO] finished tweaking crates.io crate breaktarget 0.1.0
[INFO] tweaked toml for crates.io crate breaktarget 0.1.0 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0ec39a52be7f1f2a88e7f39c75312036402a6a2df3a3452733b85d7a0c6cc10
[INFO] running `Command { std: "docker" "start" "-a" "a0ec39a52be7f1f2a88e7f39c75312036402a6a2df3a3452733b85d7a0c6cc10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0ec39a52be7f1f2a88e7f39c75312036402a6a2df3a3452733b85d7a0c6cc10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0ec39a52be7f1f2a88e7f39c75312036402a6a2df3a3452733b85d7a0c6cc10", kill_on_drop: false }`
[INFO] [stdout] a0ec39a52be7f1f2a88e7f39c75312036402a6a2df3a3452733b85d7a0c6cc10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de4b3f90c2666cb2d471c6ad55ea16fb8292f01914fa2777e56fd7d127310cbf
[INFO] running `Command { std: "docker" "start" "-a" "de4b3f90c2666cb2d471c6ad55ea16fb8292f01914fa2777e56fd7d127310cbf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling breaktarget v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "de4b3f90c2666cb2d471c6ad55ea16fb8292f01914fa2777e56fd7d127310cbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de4b3f90c2666cb2d471c6ad55ea16fb8292f01914fa2777e56fd7d127310cbf", kill_on_drop: false }`
[INFO] [stdout] de4b3f90c2666cb2d471c6ad55ea16fb8292f01914fa2777e56fd7d127310cbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ab8b74c7c0f0fea42d821e3d503d936761175247700e94084ba391616cbc501
[INFO] running `Command { std: "docker" "start" "-a" "6ab8b74c7c0f0fea42d821e3d503d936761175247700e94084ba391616cbc501", kill_on_drop: false }`
[INFO] [stderr]    Compiling breaktarget v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:149:79
[INFO] [stdout]     |
[INFO] [stdout] 149 |         if let Err(e) = panic::catch_unwind(|| BreakTarget::deploy(|_| panic!(1u32))) {
[INFO] [stdout]     |                                                                               ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 149 |         if let Err(e) = panic::catch_unwind(|| BreakTarget::deploy(|_| panic!("{}", 1u32))) {
[INFO] [stdout]     |                                                                               +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 149 |         if let Err(e) = panic::catch_unwind(|| BreakTarget::deploy(|_| std::panic::panic_any(1u32))) {
[INFO] [stdout]     |                                                                        ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "6ab8b74c7c0f0fea42d821e3d503d936761175247700e94084ba391616cbc501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ab8b74c7c0f0fea42d821e3d503d936761175247700e94084ba391616cbc501", kill_on_drop: false }`
[INFO] [stdout] 6ab8b74c7c0f0fea42d821e3d503d936761175247700e94084ba391616cbc501
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d5046a54d84602e99394bb2f6efaa0cd1313c40ad3df3569fa95161bedfd8828
[INFO] running `Command { std: "docker" "start" "-a" "d5046a54d84602e99394bb2f6efaa0cd1313c40ad3df3569fa95161bedfd8828", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:149:79
[INFO] [stderr]     |
[INFO] [stderr] 149 |         if let Err(e) = panic::catch_unwind(|| BreakTarget::deploy(|_| panic!(1u32))) {
[INFO] [stderr]     |                                                                               ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 149 |         if let Err(e) = panic::catch_unwind(|| BreakTarget::deploy(|_| panic!("{}", 1u32))) {
[INFO] [stderr]     |                                                                               +++++
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]     |
[INFO] [stderr] 149 |         if let Err(e) = panic::catch_unwind(|| BreakTarget::deploy(|_| std::panic::panic_any(1u32))) {
[INFO] [stderr]     |                                                                        ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] 
[INFO] [stderr] warning: `breaktarget` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/breaktarget-c2c72694b32f3fdc)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::basic_use ... ok
[INFO] [stdout] test tests::unwind_to_outer ... ok
[INFO] [stdout] test tests::propagate_panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests breaktarget
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 32) ... ok
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.96s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d5046a54d84602e99394bb2f6efaa0cd1313c40ad3df3569fa95161bedfd8828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5046a54d84602e99394bb2f6efaa0cd1313c40ad3df3569fa95161bedfd8828", kill_on_drop: false }`
[INFO] [stdout] d5046a54d84602e99394bb2f6efaa0cd1313c40ad3df3569fa95161bedfd8828