[INFO] fetching crate error_defs 0.1.0...
[INFO] checking error_defs-0.1.0 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate error_defs 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate error_defs 0.1.0 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate error_defs 0.1.0
[INFO] finished tweaking crates.io crate error_defs 0.1.0
[INFO] tweaked toml for crates.io crate error_defs 0.1.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e12d9477694530963c486324d834718f6c62055bff7b7562b6d8a35ade70fa22
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e12d9477694530963c486324d834718f6c62055bff7b7562b6d8a35ade70fa22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e12d9477694530963c486324d834718f6c62055bff7b7562b6d8a35ade70fa22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e12d9477694530963c486324d834718f6c62055bff7b7562b6d8a35ade70fa22", kill_on_drop: false }`
[INFO] [stdout] e12d9477694530963c486324d834718f6c62055bff7b7562b6d8a35ade70fa22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de1101f1e5c744a7f0f2af74f69b5d0e5191fec14b056227cc5380118ccd6730
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "de1101f1e5c744a7f0f2af74f69b5d0e5191fec14b056227cc5380118ccd6730", kill_on_drop: false }`
[INFO] [stderr]     Checking error_defs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> examples/example.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / error_defs! {
[INFO] [stdout] 8  | |     error Example<T, U: Error> {
[INFO] [stdout] 9  | |         VariantA
[INFO] [stdout] 10 | |             => "short description",
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |     }
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> examples/example.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / error_defs! {
[INFO] [stdout] 8  | |     error Example<T, U: Error> {
[INFO] [stdout] 9  | |         VariantA
[INFO] [stdout] 10 | |             => "short description",
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |     }
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> examples/example.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / error_defs! {
[INFO] [stdout] 8  | |     error Example<T, U: Error> {
[INFO] [stdout] 9  | |         VariantA
[INFO] [stdout] 10 | |             => "short description",
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |     }
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> examples/example.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / error_defs! {
[INFO] [stdout] 8  | |     error Example<T, U: Error> {
[INFO] [stdout] 9  | |         VariantA
[INFO] [stdout] 10 | |             => "short description",
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |     }
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> examples/example.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / error_defs! {
[INFO] [stdout] 8  | |     error Example<T, U: Error> {
[INFO] [stdout] 9  | |         VariantA
[INFO] [stdout] 10 | |             => "short description",
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |     }
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> examples/example.rs:34:55
[INFO] [stdout]    |
[INFO] [stdout] 34 |         println!("error::Error::description => {}", e.description());
[INFO] [stdout]    |                                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> examples/example.rs:35:57
[INFO] [stdout]    |
[INFO] [stdout] 35 |         println!("error: Error::cause       => {:?}", e.cause());
[INFO] [stdout]    |                                                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> examples/example.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / error_defs! {
[INFO] [stdout] 8  | |     error Example<T, U: Error> {
[INFO] [stdout] 9  | |         VariantA
[INFO] [stdout] 10 | |             => "short description",
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |     }
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "de1101f1e5c744a7f0f2af74f69b5d0e5191fec14b056227cc5380118ccd6730", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de1101f1e5c744a7f0f2af74f69b5d0e5191fec14b056227cc5380118ccd6730", kill_on_drop: false }`
[INFO] [stdout] de1101f1e5c744a7f0f2af74f69b5d0e5191fec14b056227cc5380118ccd6730