[INFO] cloning repository https://github.com/soenkehahn/tracing [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/soenkehahn/tracing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoenkehahn%2Ftracing", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoenkehahn%2Ftracing'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b793582ae575f144d7aab954d459664c1f558489 [INFO] building soenkehahn/tracing against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoenkehahn%2Ftracing" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/soenkehahn/tracing on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/soenkehahn/tracing [INFO] finished tweaking git repo https://github.com/soenkehahn/tracing [INFO] tweaked toml for git repo https://github.com/soenkehahn/tracing written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/soenkehahn/tracing already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded nix v0.8.1 [INFO] [stderr] Downloaded spawn-ptrace v0.1.1 [INFO] [stderr] Downloaded indextree v1.3.0 [INFO] [stderr] Downloaded tempfile v3.0.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0c5bf9f2e5c854d42054d26f20de19e1107a3a6e72756cf47c0e634887e86bbc [INFO] running `Command { std: "docker" "start" "-a" "0c5bf9f2e5c854d42054d26f20de19e1107a3a6e72756cf47c0e634887e86bbc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0c5bf9f2e5c854d42054d26f20de19e1107a3a6e72756cf47c0e634887e86bbc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c5bf9f2e5c854d42054d26f20de19e1107a3a6e72756cf47c0e634887e86bbc", kill_on_drop: false }` [INFO] [stdout] 0c5bf9f2e5c854d42054d26f20de19e1107a3a6e72756cf47c0e634887e86bbc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f9fd45f0a1d4ab51b4956e5950be002faa5266f998e3d673dab23909378eca75 [INFO] running `Command { std: "docker" "start" "-a" "f9fd45f0a1d4ab51b4956e5950be002faa5266f998e3d673dab23909378eca75", kill_on_drop: false }` [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling libc v0.2.45 [INFO] [stderr] Compiling rand_core v0.3.0 [INFO] [stderr] Compiling cfg-if v0.1.6 [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling bitflags v0.4.0 [INFO] [stderr] Compiling bitflags v0.7.0 [INFO] [stderr] Compiling remove_dir_all v0.5.1 [INFO] [stderr] Compiling indextree v1.3.0 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling nix v0.7.0 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.0 [INFO] [stderr] Compiling rand v0.6.1 [INFO] [stderr] Compiling nix v0.8.1 [INFO] [stderr] Compiling tempfile v3.0.5 [INFO] [stderr] Compiling spawn-ptrace v0.1.1 [INFO] [stderr] Compiling tracing v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `indextree::NodeEdge` [INFO] [stdout] --> src/tracetree.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | pub use indextree::NodeEdge; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `pid` is never read [INFO] [stdout] --> src/tracetree.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 33 | pub struct ProcessInfo { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 34 | pub pid: pid_t, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ProcessInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.86s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.4.0, bitflags v0.7.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "f9fd45f0a1d4ab51b4956e5950be002faa5266f998e3d673dab23909378eca75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9fd45f0a1d4ab51b4956e5950be002faa5266f998e3d673dab23909378eca75", kill_on_drop: false }` [INFO] [stdout] f9fd45f0a1d4ab51b4956e5950be002faa5266f998e3d673dab23909378eca75 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 53be9e8bb75a9490a728dfec262eb7f3648bbad74f1d1b0b5884d89babb0ce97 [INFO] running `Command { std: "docker" "start" "-a" "53be9e8bb75a9490a728dfec262eb7f3648bbad74f1d1b0b5884d89babb0ce97", kill_on_drop: false }` [INFO] [stderr] Compiling tracing v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `indextree::NodeEdge` [INFO] [stdout] --> src/tracetree.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | pub use indextree::NodeEdge; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `pid` is never read [INFO] [stdout] --> src/tracetree.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 33 | pub struct ProcessInfo { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 34 | pub pid: pid_t, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ProcessInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `indextree::NodeEdge` [INFO] [stdout] --> src/tracetree.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | pub use indextree::NodeEdge; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `pid` is never read [INFO] [stdout] --> src/tracetree.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 33 | pub struct ProcessInfo { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 34 | pub pid: pid_t, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ProcessInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:61:29 [INFO] [stdout] | [INFO] [stdout] 61 | x => panic!(format!("{:?}", x)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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 [INFO] [stdout] = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 61 - x => panic!(format!("{:?}", x)), [INFO] [stdout] 61 + x => panic!("{:?}", x), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:73:29 [INFO] [stdout] | [INFO] [stdout] 73 | x => panic!(format!("{:?}", x)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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 [INFO] [stdout] = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 73 - x => panic!(format!("{:?}", x)), [INFO] [stdout] 73 + x => panic!("{:?}", x), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:83:33 [INFO] [stdout] | [INFO] [stdout] 83 | x => panic!(format!("{:?}", x)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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 [INFO] [stdout] = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 83 - x => panic!(format!("{:?}", x)), [INFO] [stdout] 83 + x => panic!("{:?}", x), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:85:29 [INFO] [stdout] | [INFO] [stdout] 85 | x => panic!(format!("{:?}", x)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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 [INFO] [stdout] = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 85 - x => panic!(format!("{:?}", x)), [INFO] [stdout] 85 + x => panic!("{:?}", x), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.63s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.4.0, bitflags v0.7.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "53be9e8bb75a9490a728dfec262eb7f3648bbad74f1d1b0b5884d89babb0ce97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "53be9e8bb75a9490a728dfec262eb7f3648bbad74f1d1b0b5884d89babb0ce97", kill_on_drop: false }` [INFO] [stdout] 53be9e8bb75a9490a728dfec262eb7f3648bbad74f1d1b0b5884d89babb0ce97