[INFO] fetching crate dbg 1.0.4...
[INFO] testing dbg-1.0.4 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate dbg 1.0.4 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate dbg 1.0.4 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dbg 1.0.4
[INFO] finished tweaking crates.io crate dbg 1.0.4
[INFO] tweaked toml for crates.io crate dbg 1.0.4 written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9dd11a159d312c2d70745379623542543b8f02c10d08c8eb02d1e458d01aac28
[INFO] running `Command { std: "docker" "start" "-a" "9dd11a159d312c2d70745379623542543b8f02c10d08c8eb02d1e458d01aac28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9dd11a159d312c2d70745379623542543b8f02c10d08c8eb02d1e458d01aac28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dd11a159d312c2d70745379623542543b8f02c10d08c8eb02d1e458d01aac28", kill_on_drop: false }`
[INFO] [stdout] 9dd11a159d312c2d70745379623542543b8f02c10d08c8eb02d1e458d01aac28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 518bade58b6679eb0416be5ff799ff5f6bcbacfb7f15303ad03589d6b0838a35
[INFO] running `Command { std: "docker" "start" "-a" "518bade58b6679eb0416be5ff799ff5f6bcbacfb7f15303ad03589d6b0838a35", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling dbg v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "518bade58b6679eb0416be5ff799ff5f6bcbacfb7f15303ad03589d6b0838a35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "518bade58b6679eb0416be5ff799ff5f6bcbacfb7f15303ad03589d6b0838a35", kill_on_drop: false }`
[INFO] [stdout] 518bade58b6679eb0416be5ff799ff5f6bcbacfb7f15303ad03589d6b0838a35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23de59255b42af6c0fb59d26e3a934a6d8e64e5be59751cf83782da620b3b59b
[INFO] running `Command { std: "docker" "start" "-a" "23de59255b42af6c0fb59d26e3a934a6d8e64e5be59751cf83782da620b3b59b", kill_on_drop: false }`
[INFO] [stderr]    Compiling dbg v1.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: `X` doesn't implement `Debug`
[INFO] [stdout]    --> src/lib.rs:86:62
[INFO] [stdout]     |
[INFO] [stdout] 86  |                     (if detailed { write!(&mut err, "{:#?}", _tmp) }
[INFO] [stdout]     |                                                              ^^^^ `X` cannot be formatted using `{:?}`
[INFO] [stdout] ...
[INFO] [stdout] 270 |         dbg!(&a);
[INFO] [stdout]     |         -------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Debug` is not implemented for `X`
[INFO] [stdout]     = note: add `#[derive(Debug)]` to `X` or manually `impl Debug for X`
[INFO] [stdout]     = note: this error originates in the macro `$crate::format_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `X` doesn't implement `Debug`
[INFO] [stdout]    --> src/lib.rs:87:62
[INFO] [stdout]     |
[INFO] [stdout] 87  |                     else         { write!(&mut err, "{:?}" , _tmp) }).unwrap();
[INFO] [stdout]     |                                                              ^^^^ `X` cannot be formatted using `{:?}`
[INFO] [stdout] ...
[INFO] [stdout] 270 |         dbg!(&a);
[INFO] [stdout]     |         -------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Debug` is not implemented for `X`
[INFO] [stdout]     = note: add `#[derive(Debug)]` to `X` or manually `impl Debug for X`
[INFO] [stdout]     = note: this error originates in the macro `$crate::format_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dbg` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "23de59255b42af6c0fb59d26e3a934a6d8e64e5be59751cf83782da620b3b59b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23de59255b42af6c0fb59d26e3a934a6d8e64e5be59751cf83782da620b3b59b", kill_on_drop: false }`
[INFO] [stdout] 23de59255b42af6c0fb59d26e3a934a6d8e64e5be59751cf83782da620b3b59b