[INFO] fetching crate pretty_trace 0.5.12... [INFO] checking pretty_trace-0.5.12 against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194 [INFO] extracting crate pretty_trace 0.5.12 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate pretty_trace 0.5.12 on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate pretty_trace 0.5.12 [INFO] finished tweaking crates.io crate pretty_trace 0.5.12 [INFO] tweaked toml for crates.io crate pretty_trace 0.5.12 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate crates.io crate pretty_trace 0.5.12 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 65faf49d690501975ecd047127cbc454dd74e5323cea28f7a699f1b9212b2006 [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" "65faf49d690501975ecd047127cbc454dd74e5323cea28f7a699f1b9212b2006", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "65faf49d690501975ecd047127cbc454dd74e5323cea28f7a699f1b9212b2006", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65faf49d690501975ecd047127cbc454dd74e5323cea28f7a699f1b9212b2006", kill_on_drop: false }` [INFO] [stdout] 65faf49d690501975ecd047127cbc454dd74e5323cea28f7a699f1b9212b2006 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1e3c1f6e5745785c61d6f6816647a1643a40b349809cda6bd4faf93ba168e052 [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" "1e3c1f6e5745785c61d6f6816647a1643a40b349809cda6bd4faf93ba168e052", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.95 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling anyhow v1.0.40 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling hashbrown v0.9.1 [INFO] [stderr] Compiling bytes v1.0.1 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling fixedbitset v0.2.0 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Checking superslice v1.0.0 [INFO] [stderr] Checking permutation v0.2.5 [INFO] [stderr] Compiling multimap v0.8.3 [INFO] [stderr] Compiling symbolic-demangle v8.1.0 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking stats_utils v0.1.2 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling lz4-sys v1.9.2 [INFO] [stderr] Compiling backtrace v0.3.60 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Checking lock_api v0.4.4 [INFO] [stderr] Checking debugid v0.7.2 [INFO] [stderr] Checking itertools v0.10.0 [INFO] [stderr] Checking vector_utils v0.1.3 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Checking crc32fast v1.2.1 [INFO] [stderr] Checking object v0.25.2 [INFO] [stderr] Compiling indexmap v1.6.2 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking string_utils v0.1.2 [INFO] [stderr] Compiling cpp_demangle v0.3.2 [INFO] [stderr] Compiling petgraph v0.5.1 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling which v4.1.0 [INFO] [stderr] Compiling rand_core v0.6.2 [INFO] [stderr] Compiling prost-build v0.7.0 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking flate2 v1.0.20 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking nix v0.20.0 [INFO] [stderr] Checking nix v0.19.1 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Checking symbolic-common v8.1.0 [INFO] [stderr] Checking rayon-core v1.9.1 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling rand v0.8.3 [INFO] [stderr] Checking rayon v1.5.1 [INFO] [stderr] Compiling tempfile v3.2.0 [INFO] [stderr] Compiling prost-derive v0.7.0 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling thiserror-impl v1.0.25 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking thiserror v1.0.25 [INFO] [stderr] Compiling prost v0.7.0 [INFO] [stderr] Compiling prost-types v0.7.0 [INFO] [stderr] Compiling pprof v0.4.3 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking lz4 v1.23.2 [INFO] [stderr] Checking io_utils v0.2.10 [INFO] [stderr] Checking tables v0.1.3 [INFO] [stderr] Checking pretty_trace v0.5.12 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `whitelist` [INFO] [stdout] --> src/lib.rs:588:5 [INFO] [stdout] | [INFO] [stdout] 588 | pub whitelist: Vec, // tracebacks are grepped for these [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `hcount` [INFO] [stdout] --> src/lib.rs:589:5 [INFO] [stdout] | [INFO] [stdout] 589 | pub hcount: usize, // number of tracebacks to gather [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `whitelist` [INFO] [stdout] --> src/lib.rs:588:5 [INFO] [stdout] | [INFO] [stdout] 588 | pub whitelist: Vec, // tracebacks are grepped for these [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `hcount` [INFO] [stdout] --> src/lib.rs:589:5 [INFO] [stdout] | [INFO] [stdout] 589 | pub hcount: usize, // number of tracebacks to gather [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 45.94s [INFO] running `Command { std: "docker" "inspect" "1e3c1f6e5745785c61d6f6816647a1643a40b349809cda6bd4faf93ba168e052", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e3c1f6e5745785c61d6f6816647a1643a40b349809cda6bd4faf93ba168e052", kill_on_drop: false }` [INFO] [stdout] 1e3c1f6e5745785c61d6f6816647a1643a40b349809cda6bd4faf93ba168e052