[INFO] fetching crate pretty_backtrace 0.1.2...
[INFO] checking pretty_backtrace-0.1.2 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate pretty_backtrace 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate pretty_backtrace 0.1.2 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pretty_backtrace 0.1.2
[INFO] finished tweaking crates.io crate pretty_backtrace 0.1.2
[INFO] tweaked toml for crates.io crate pretty_backtrace 0.1.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0b41e317e902e37c7d3d329e55758b5e5814076a7fff09bd43167e6d01609ce
[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" "a0b41e317e902e37c7d3d329e55758b5e5814076a7fff09bd43167e6d01609ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0b41e317e902e37c7d3d329e55758b5e5814076a7fff09bd43167e6d01609ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0b41e317e902e37c7d3d329e55758b5e5814076a7fff09bd43167e6d01609ce", kill_on_drop: false }`
[INFO] [stdout] a0b41e317e902e37c7d3d329e55758b5e5814076a7fff09bd43167e6d01609ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58edd35d350e72b715f0eac9a4f366ca3e16adca19273864f20dd4f38e09ebba
[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" "58edd35d350e72b715f0eac9a4f366ca3e16adca19273864f20dd4f38e09ebba", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking xml-rs v0.8.3
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking parity-wasm v0.38.0
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling findshlibs v0.4.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking intervaltree v0.2.6
[INFO] [stderr]     Checking libc v0.2.81
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling scroll v0.9.2
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling cpp_demangle v0.2.16
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking plist v0.4.2
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking gimli v0.18.0
[INFO] [stderr]    Compiling onig_sys v69.1.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]    Compiling scroll_derive v0.9.5
[INFO] [stderr]     Checking onig v4.3.3
[INFO] [stderr]     Checking goblin v0.0.22
[INFO] [stderr]    Compiling rental-impl v0.5.5
[INFO] [stderr]     Checking object v0.12.0
[INFO] [stderr]     Checking addr2line v0.9.0
[INFO] [stderr]     Checking syntect v3.2.0
[INFO] [stderr]     Checking rental v0.5.5
[INFO] [stderr]     Checking pretty_backtrace v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:17:26
[INFO] [stdout]    |
[INFO] [stdout] 17 |     static ref HOOK: Box<for<'a> Fn(&'a PanicInfo) + Sync + Send + 'static> = {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'a> Fn(&'a PanicInfo) + Sync + Send + 'static`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:17:26
[INFO] [stdout]    |
[INFO] [stdout] 17 |     static ref HOOK: Box<for<'a> Fn(&'a PanicInfo) + Sync + Send + 'static> = {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'a> Fn(&'a PanicInfo) + Sync + Send + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:17:26
[INFO] [stdout]    |
[INFO] [stdout] 17 |     static ref HOOK: Box<for<'a> Fn(&'a PanicInfo) + Sync + Send + 'static> = {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'a> Fn(&'a PanicInfo) + Sync + Send + 'static`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:17:26
[INFO] [stdout]    |
[INFO] [stdout] 17 |     static ref HOOK: Box<for<'a> Fn(&'a PanicInfo) + Sync + Send + 'static> = {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'a> Fn(&'a PanicInfo) + Sync + Send + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> src/display_frame.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         ::std::thread::sleep_ms(1000);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> src/display_frame.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         ::std::thread::sleep_ms(1000);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]  --> examples/simple.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn please_panic(num: u64) {
[INFO] [stdout]   |                 ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 31s
[INFO] running `Command { std: "docker" "inspect" "58edd35d350e72b715f0eac9a4f366ca3e16adca19273864f20dd4f38e09ebba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58edd35d350e72b715f0eac9a4f366ca3e16adca19273864f20dd4f38e09ebba", kill_on_drop: false }`
[INFO] [stdout] 58edd35d350e72b715f0eac9a4f366ca3e16adca19273864f20dd4f38e09ebba