[INFO] cloning repository https://github.com/ethandmd/tracem
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ethandmd/tracem" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethandmd%2Ftracem", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethandmd%2Ftracem'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cbca8e32603b84d5cc3483894412100abaa1b237
[INFO] checking ethandmd/tracem against try#e117153a45c546e883c1f91d82611775fcaeffe0 for pr-146470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethandmd%2Ftracem" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ethandmd/tracem
[INFO] finished tweaking git repo https://github.com/ethandmd/tracem
[INFO] tweaked toml for git repo https://github.com/ethandmd/tracem written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ethandmd/tracem on toolchain e117153a45c546e883c1f91d82611775fcaeffe0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ethandmd/tracem 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" "+e117153a45c546e883c1f91d82611775fcaeffe0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prettyplease v0.2.17
[INFO] [stderr]   Downloaded libloading v0.8.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf6814ba97e3c89e948e098610be15a0c00c7a280d59e57fbb7a1a34b1509a23
[INFO] running `Command { std: "docker" "start" "-a" "cf6814ba97e3c89e948e098610be15a0c00c7a280d59e57fbb7a1a34b1509a23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf6814ba97e3c89e948e098610be15a0c00c7a280d59e57fbb7a1a34b1509a23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf6814ba97e3c89e948e098610be15a0c00c7a280d59e57fbb7a1a34b1509a23", kill_on_drop: false }`
[INFO] [stdout] cf6814ba97e3c89e948e098610be15a0c00c7a280d59e57fbb7a1a34b1509a23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62632c461d10a0e63c7ac73cbcaca14401ae9a36e59936fe7d6748a2c9d8ec3d
[INFO] running `Command { std: "docker" "start" "-a" "62632c461d10a0e63c7ac73cbcaca14401ae9a36e59936fe7d6748a2c9d8ec3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling prettyplease v0.2.17
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling libloading v0.8.3
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]    Compiling bindgen v0.69.4
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking anstream v0.6.13
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling clang-sys v1.7.0
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]    Compiling syn v2.0.57
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]     Checking env_filter v0.1.0
[INFO] [stderr]     Checking env_logger v0.11.3
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]    Compiling tracem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `overflows` is assigned to, but never used
[INFO] [stdout]    --> src/perf.rs:176:17
[INFO] [stdout]     |
[INFO] [stdout] 176 |             let mut overflows = 0;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_overflows` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `total_events_read` is assigned to, but never used
[INFO] [stdout]    --> src/perf.rs:177:17
[INFO] [stdout]     |
[INFO] [stdout] 177 |             let mut total_events_read = 0;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_total_events_read` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `events_read` is assigned to, but never used
[INFO] [stdout]    --> src/perf.rs:183:29
[INFO] [stdout]     |
[INFO] [stdout] 183 |                         let mut events_read = 0;
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_events_read` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `overflows` is never read
[INFO] [stdout]    --> src/perf.rs:181:21
[INFO] [stdout]     |
[INFO] [stdout] 181 |                     overflows += 1;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `total_events_read` is never read
[INFO] [stdout]    --> src/perf.rs:230:33
[INFO] [stdout]     |
[INFO] [stdout] 230 | ...                   total_events_read += 1;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `events_read` is never read
[INFO] [stdout]    --> src/perf.rs:229:33
[INFO] [stdout]     |
[INFO] [stdout] 229 | ...                   events_read += 1;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `overflows` is assigned to, but never used
[INFO] [stdout]    --> src/perf.rs:176:17
[INFO] [stdout]     |
[INFO] [stdout] 176 |             let mut overflows = 0;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_overflows` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `total_events_read` is assigned to, but never used
[INFO] [stdout]    --> src/perf.rs:177:17
[INFO] [stdout]     |
[INFO] [stdout] 177 |             let mut total_events_read = 0;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_total_events_read` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `events_read` is assigned to, but never used
[INFO] [stdout]    --> src/perf.rs:183:29
[INFO] [stdout]     |
[INFO] [stdout] 183 |                         let mut events_read = 0;
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_events_read` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `overflows` is never read
[INFO] [stdout]    --> src/perf.rs:181:21
[INFO] [stdout]     |
[INFO] [stdout] 181 |                     overflows += 1;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `total_events_read` is never read
[INFO] [stdout]    --> src/perf.rs:230:33
[INFO] [stdout]     |
[INFO] [stdout] 230 | ...                   total_events_read += 1;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `events_read` is never read
[INFO] [stdout]    --> src/perf.rs:229:33
[INFO] [stdout]     |
[INFO] [stdout] 229 | ...                   events_read += 1;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.29s
[INFO] running `Command { std: "docker" "inspect" "62632c461d10a0e63c7ac73cbcaca14401ae9a36e59936fe7d6748a2c9d8ec3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62632c461d10a0e63c7ac73cbcaca14401ae9a36e59936fe7d6748a2c9d8ec3d", kill_on_drop: false }`
[INFO] [stdout] 62632c461d10a0e63c7ac73cbcaca14401ae9a36e59936fe7d6748a2c9d8ec3d
