[INFO] cloning repository https://github.com/JonathanWoollett-Light/testing-tracing-instrumentation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JonathanWoollett-Light/testing-tracing-instrumentation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonathanWoollett-Light%2Ftesting-tracing-instrumentation", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonathanWoollett-Light%2Ftesting-tracing-instrumentation'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 05d5a93b7f519c5ac2af4dddac4b5dc98b4b8d44
[INFO] testing JonathanWoollett-Light/testing-tracing-instrumentation against beta-2024-12-08 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonathanWoollett-Light%2Ftesting-tracing-instrumentation" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JonathanWoollett-Light/testing-tracing-instrumentation on toolchain beta-2024-12-08
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JonathanWoollett-Light/testing-tracing-instrumentation
[INFO] finished tweaking git repo https://github.com/JonathanWoollett-Light/testing-tracing-instrumentation
[INFO] tweaked toml for git repo https://github.com/JonathanWoollett-Light/testing-tracing-instrumentation written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/JonathanWoollett-Light/testing-tracing-instrumentation 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" "+beta-2024-12-08" "fetch" "--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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "47d592b1fe8fbe6e2b3cfdb2511976f0f06b7d7f475f54ad4418361db58915ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47d592b1fe8fbe6e2b3cfdb2511976f0f06b7d7f475f54ad4418361db58915ce", kill_on_drop: false }`
[INFO] [stdout] 47d592b1fe8fbe6e2b3cfdb2511976f0f06b7d7f475f54ad4418361db58915ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e1078f60dcea23ff465ae19e4c28d9acfe8ba39d93b2cd179abf3dc6b3852b0
[INFO] running `Command { std: "docker" "start" "-a" "6e1078f60dcea23ff465ae19e4c28d9acfe8ba39d93b2cd179abf3dc6b3852b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling smallvec v1.9.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling tracing-core v0.1.31
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling tracing-log v0.1.3
[INFO] [stderr]    Compiling tracing-subscriber v0.3.17
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling tracing-flame v0.2.0
[INFO] [stderr]    Compiling testing-tracing-instrumentation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `BufReader`, `BufWriter`, `PathBuf`, `Path`, `env`, and `fs::File`
[INFO] [stdout]  --> src/bin/two.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     env,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 3 |     fs::File,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 4 |     io::{BufReader, BufWriter},
[INFO] [stdout]   |          ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 5 |     path::{Path, PathBuf},
[INFO] [stdout]   |            ^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Level` and `span`
[INFO] [stdout]  --> src/bin/two.rs:9:27
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tracing::{instrument, span, Level};
[INFO] [stdout]   |                           ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader`, `BufWriter`, `PathBuf`, `Path`, `env`, and `fs::File`
[INFO] [stdout]  --> src/bin/one.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     env,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 3 |     fs::File,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 4 |     io::{BufReader, BufWriter, Write},
[INFO] [stdout]   |          ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 5 |     path::{Path, PathBuf},
[INFO] [stdout]   |            ^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Level` and `span`
[INFO] [stdout]  --> src/bin/one.rs:9:27
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tracing::{instrument, span, Level};
[INFO] [stdout]   |                           ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/bin/one.rs:4:32
[INFO] [stdout]   |
[INFO] [stdout] 4 |     io::{BufReader, BufWriter, Write},
[INFO] [stdout]   |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.67s
[INFO] running `Command { std: "docker" "inspect" "6e1078f60dcea23ff465ae19e4c28d9acfe8ba39d93b2cd179abf3dc6b3852b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e1078f60dcea23ff465ae19e4c28d9acfe8ba39d93b2cd179abf3dc6b3852b0", kill_on_drop: false }`
[INFO] [stdout] 6e1078f60dcea23ff465ae19e4c28d9acfe8ba39d93b2cd179abf3dc6b3852b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d13b56734999a92ccb8e6f962aa267708750f06cff45ff7debb9096c31da1d28
[INFO] running `Command { std: "docker" "start" "-a" "d13b56734999a92ccb8e6f962aa267708750f06cff45ff7debb9096c31da1d28", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling rustix v0.38.8
[INFO] [stderr]    Compiling linux-raw-sys v0.4.5
[INFO] [stderr]    Compiling bitflags v2.3.3
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling anstyle-query v1.0.0
[INFO] [stderr]    Compiling anstyle v1.0.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling clap_lex v0.5.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.1
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling tracing-core v0.1.31
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling bytemuck v1.13.1
[INFO] [stderr]    Compiling hashbrown v0.14.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling env_logger v0.10.0
[INFO] [stderr]    Compiling str_stack v0.1.0
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling num-format v0.4.4
[INFO] [stderr]    Compiling rgb v0.8.36
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling tracing-log v0.1.3
[INFO] [stderr]    Compiling tracing-subscriber v0.3.17
[INFO] [stderr]    Compiling is-terminal v0.4.9
[INFO] [stderr]    Compiling anstream v0.3.2
[INFO] [stderr]    Compiling quick-xml v0.26.0
[INFO] [stderr]    Compiling clap_builder v4.3.21
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling uuid v1.4.1
[INFO] [stderr]    Compiling dashmap v5.5.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling clap_derive v4.3.12
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling tracing-flame v0.2.0
[INFO] [stderr]    Compiling clap v4.3.21
[INFO] [stderr]    Compiling inferno v0.11.15
[INFO] [stderr]    Compiling testing-tracing-instrumentation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `BufReader`, `BufWriter`, `PathBuf`, `Path`, `env`, and `fs::File`
[INFO] [stdout]  --> src/bin/one.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     env,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 3 |     fs::File,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 4 |     io::{BufReader, BufWriter, Write},
[INFO] [stdout]   |          ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 5 |     path::{Path, PathBuf},
[INFO] [stdout]   |            ^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader`, `BufWriter`, `PathBuf`, `Path`, `env`, and `fs::File`
[INFO] [stdout]  --> src/bin/two.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     env,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 3 |     fs::File,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 4 |     io::{BufReader, BufWriter},
[INFO] [stdout]   |          ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 5 |     path::{Path, PathBuf},
[INFO] [stdout]   |            ^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Level` and `span`
[INFO] [stdout]  --> src/bin/two.rs:9:27
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tracing::{instrument, span, Level};
[INFO] [stdout]   |                           ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Level` and `span`
[INFO] [stdout]  --> src/bin/one.rs:9:27
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tracing::{instrument, span, Level};
[INFO] [stdout]   |                           ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/bin/one.rs:4:32
[INFO] [stdout]   |
[INFO] [stdout] 4 |     io::{BufReader, BufWriter, Write},
[INFO] [stdout]   |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader`, `BufWriter`, `PathBuf`, `Path`, `env`, and `fs::File`
[INFO] [stdout]  --> src/bin/two.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     env,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 3 |     fs::File,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 4 |     io::{BufReader, BufWriter},
[INFO] [stdout]   |          ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 5 |     path::{Path, PathBuf},
[INFO] [stdout]   |            ^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Level` and `span`
[INFO] [stdout]  --> src/bin/two.rs:9:27
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tracing::{instrument, span, Level};
[INFO] [stdout]   |                           ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader`, `BufWriter`, `PathBuf`, `Path`, `env`, and `fs::File`
[INFO] [stdout]  --> src/bin/one.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     env,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 3 |     fs::File,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 4 |     io::{BufReader, BufWriter, Write},
[INFO] [stdout]   |          ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 5 |     path::{Path, PathBuf},
[INFO] [stdout]   |            ^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Level` and `span`
[INFO] [stdout]  --> src/bin/one.rs:9:27
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tracing::{instrument, span, Level};
[INFO] [stdout]   |                           ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/bin/one.rs:4:32
[INFO] [stdout]   |
[INFO] [stdout] 4 |     io::{BufReader, BufWriter, Write},
[INFO] [stdout]   |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/integration_tests.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 136 |     let mut flamegraph = OpenOptions::new()
[INFO] [stdout]     |         ----^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 30.93s
[INFO] running `Command { std: "docker" "inspect" "d13b56734999a92ccb8e6f962aa267708750f06cff45ff7debb9096c31da1d28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d13b56734999a92ccb8e6f962aa267708750f06cff45ff7debb9096c31da1d28", kill_on_drop: false }`
[INFO] [stdout] d13b56734999a92ccb8e6f962aa267708750f06cff45ff7debb9096c31da1d28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e10ffae3802253b866eec24c923dc731aeb1e32847714157b568b53bf3896240
[INFO] running `Command { std: "docker" "start" "-a" "e10ffae3802253b866eec24c923dc731aeb1e32847714157b568b53bf3896240", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `BufReader`, `BufWriter`, `PathBuf`, `Path`, `env`, and `fs::File`
[INFO] [stderr]  --> src/bin/two.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     env,
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 3 |     fs::File,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 4 |     io::{BufReader, BufWriter},
[INFO] [stderr]   |          ^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 5 |     path::{Path, PathBuf},
[INFO] [stderr]   |            ^^^^  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Level` and `span`
[INFO] [stderr]  --> src/bin/two.rs:9:27
[INFO] [stderr]   |
[INFO] [stderr] 9 | use tracing::{instrument, span, Level};
[INFO] [stderr]   |                           ^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `testing-tracing-instrumentation` (bin "two" test) generated 2 warnings (run `cargo fix --bin "two" --tests` to apply 2 suggestions)
[INFO] [stderr] warning: unused imports: `BufReader`, `BufWriter`, `PathBuf`, `Path`, `env`, and `fs::File`
[INFO] [stderr]  --> src/bin/one.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     env,
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 3 |     fs::File,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 4 |     io::{BufReader, BufWriter, Write},
[INFO] [stderr]   |          ^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 5 |     path::{Path, PathBuf},
[INFO] [stderr]   |            ^^^^  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Level` and `span`
[INFO] [stderr]  --> src/bin/one.rs:9:27
[INFO] [stderr]   |
[INFO] [stderr] 9 | use tracing::{instrument, span, Level};
[INFO] [stderr]   |                           ^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/bin/one.rs:4:32
[INFO] [stderr]   |
[INFO] [stderr] 4 |     io::{BufReader, BufWriter, Write},
[INFO] [stderr]   |                                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/integration_tests.rs:136:9
[INFO] [stderr]     |
[INFO] [stderr] 136 |     let mut flamegraph = OpenOptions::new()
[INFO] [stderr]     |         ----^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `testing-tracing-instrumentation` (bin "one" test) generated 3 warnings (run `cargo fix --bin "one" --tests` to apply 2 suggestions)
[INFO] [stderr] warning: `testing-tracing-instrumentation` (test "integration_tests") generated 1 warning (run `cargo fix --test "integration_tests"` to apply 1 suggestion)
[INFO] [stderr] warning: `testing-tracing-instrumentation` (bin "one") generated 3 warnings (3 duplicates)
[INFO] [stderr] warning: `testing-tracing-instrumentation` (bin "two") generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/bin/one.rs (/opt/rustwide/target/debug/deps/one-e1d8420e9b244c87)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/testing_tracing_instrumentation-fb3d98e6ce355a37)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/two.rs (/opt/rustwide/target/debug/deps/two-607e5a2fffceecd5)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration_tests.rs (/opt/rustwide/target/debug/deps/integration_tests-a50e759349d57a7a)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test pair ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- pair stdout ----
[INFO] [stdout] run_dir: ./tmp/0ed49118-089b-4e4b-b1c6-dd4bef085cf7
[INFO] [stdout] thread 'pair' panicked at tests/integration_tests.rs:76:26:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55ffa226f86a - std::backtrace_rs::backtrace::libunwind::trace::h8810477743020387
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x55ffa226f86a - std::backtrace_rs::backtrace::trace_unsynchronized::h3aa55355dd6c54a6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55ffa226f86a - std::sys::backtrace::_print_fmt::h8588b0f62410823f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x55ffa226f86a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h98c26ac25ffe89bb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x55ffa22959e3 - core::fmt::rt::Argument::fmt::hf95377f4aebd453b
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x55ffa22959e3 - core::fmt::write::h0dd5f6e2238c7982
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/mod.rs:1189:21
[INFO] [stdout]    6:     0x55ffa226ca03 - std::io::Write::write_fmt::h03bb0ca26e6faf8c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/io/mod.rs:1884:15
[INFO] [stdout]    7:     0x55ffa226f6b2 - std::sys::backtrace::BacktraceLock::print::h5c19c1c038ee186d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x55ffa2270ced - std::panicking::default_hook::{{closure}}::h77172f079a1fcb13
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x55ffa2270af7 - std::panicking::default_hook::he5f8e3b203ccddba
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x55ffa2236677 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7a3c7b4a1ae77f2f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   11:     0x55ffa2236677 - test::test_main::{{closure}}::hf0d3b69ae9b353d1
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x55ffa2271398 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6332e82e7b189abd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   13:     0x55ffa2271398 - std::panicking::rust_panic_with_hook::h53863d4e9018df39
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x55ffa227115a - std::panicking::begin_panic_handler::{{closure}}::h67280e6fa0757873
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x55ffa226fd49 - std::sys::backtrace::__rust_end_short_backtrace::h1dac3f54d6fbbeb2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x55ffa2270dec - rust_begin_unwind
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x55ffa2182c00 - core::panicking::panic_fmt::h6792bd1b2bf01041
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:76:14
[INFO] [stdout]   18:     0x55ffa2183046 - core::result::unwrap_failed::h05e0602ed34287c5
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/result.rs:1699:5
[INFO] [stdout]   19:     0x55ffa21bd8c7 - core::result::Result<T,E>::unwrap::h270dda879565e18f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/result.rs:1104:23
[INFO] [stdout]   20:     0x55ffa21bd8c7 - integration_tests::pair::h4fc30fb65712a0b5
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration_tests.rs:76:5
[INFO] [stdout]   21:     0x55ffa21bd617 - integration_tests::pair::{{closure}}::h3eaf21981532ee85
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/integration_tests.rs:73:10
[INFO] [stdout]   22:     0x55ffa21affb6 - core::ops::function::FnOnce::call_once::hd79c4bd3a542f8db
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x55ffa223b19b - core::ops::function::FnOnce::call_once::h871bf86719ec9aa4
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55ffa223b19b - test::__rust_begin_short_backtrace::h2167df1e2b7d76fd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:632:18
[INFO] [stdout]   25:     0x55ffa223ab88 - test::run_test_in_process::{{closure}}::h15d92f75a3adfb79
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:60
[INFO] [stdout]   26:     0x55ffa223ab88 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb6c8955835a8dbbb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x55ffa223ab88 - std::panicking::try::do_call::hc79d0fc888a0bd30
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   28:     0x55ffa223ab88 - std::panicking::try::hb8a7878e3a8589d6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   29:     0x55ffa223ab88 - std::panic::catch_unwind::hb8e4600ff0ff5cfa
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x55ffa223ab88 - test::run_test_in_process::hc2900b0b18688dd6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:27
[INFO] [stdout]   31:     0x55ffa223ab88 - test::run_test::{{closure}}::hac2a9cb07be3d48d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:576:43
[INFO] [stdout]   32:     0x55ffa21fe62a - test::run_test::{{closure}}::h4a5b729e66a38cd8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:606:41
[INFO] [stdout]   33:     0x55ffa21fe62a - std::sys::backtrace::__rust_begin_short_backtrace::h0496fb742492f573
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   34:     0x55ffa2201fa4 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hbb6d257c550a54bd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:561:17
[INFO] [stdout]   35:     0x55ffa2201fa4 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h46696fe4a6832328
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x55ffa2201fa4 - std::panicking::try::do_call::h2625a51b667bfb64
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   37:     0x55ffa2201fa4 - std::panicking::try::hb956a59a1973aa4c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   38:     0x55ffa2201fa4 - std::panic::catch_unwind::h64f3b9d1067ef6a0
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x55ffa2201fa4 - std::thread::Builder::spawn_unchecked_::{{closure}}::h42b2841295b6c0b2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:559:30
[INFO] [stdout]   40:     0x55ffa2201fa4 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6127de71b8124639
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x55ffa227540b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h42f0ba71002a1b2c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   42:     0x55ffa227540b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::had9e47d7a3dcecb8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   43:     0x55ffa227540b - std::sys::pal::unix::thread::Thread::new::thread_start::h48cf765408f6f5f2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   44:     0x78a12336bac3 - <unknown>
[INFO] [stdout]   45:     0x78a1233fca04 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     pair
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test integration_tests`
[INFO] running `Command { std: "docker" "inspect" "e10ffae3802253b866eec24c923dc731aeb1e32847714157b568b53bf3896240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e10ffae3802253b866eec24c923dc731aeb1e32847714157b568b53bf3896240", kill_on_drop: false }`
[INFO] [stdout] e10ffae3802253b866eec24c923dc731aeb1e32847714157b568b53bf3896240
