[INFO] fetching crate thread-monitor 0.1.1...
[INFO] testing thread-monitor-0.1.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate thread-monitor 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate thread-monitor 0.1.1
[INFO] finished tweaking crates.io crate thread-monitor 0.1.1
[INFO] tweaked toml for crates.io crate thread-monitor 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate thread-monitor 0.1.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 21 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 021868a562a21e076d8a77c8ada38c060f43961c2447f4c3cb8576e28cf03134
[INFO] running `Command { std: "docker" "start" "-a" "021868a562a21e076d8a77c8ada38c060f43961c2447f4c3cb8576e28cf03134", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "021868a562a21e076d8a77c8ada38c060f43961c2447f4c3cb8576e28cf03134", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "021868a562a21e076d8a77c8ada38c060f43961c2447f4c3cb8576e28cf03134", kill_on_drop: false }`
[INFO] [stdout] 021868a562a21e076d8a77c8ada38c060f43961c2447f4c3cb8576e28cf03134
[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=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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29c1691d537bf3cecbc662ec6123aef635c356d16e5818ca1ccf28411604e2fc
[INFO] running `Command { std: "docker" "start" "-a" "29c1691d537bf3cecbc662ec6123aef635c356d16e5818ca1ccf28411604e2fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling time-core v0.1.6
[INFO] [stderr]    Compiling transmitter v0.2.1
[INFO] [stderr]    Compiling deranged v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling thread-monitor v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `thr_started` is never read
[INFO] [stdout]    --> src/monitor/stat_profiler.rs:143:37
[INFO] [stdout]     |
[INFO] [stdout] 143 | ...                   thr_started += 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 `thr_started` is never read
[INFO] [stdout]    --> src/monitor/stat_profiler.rs:146:37
[INFO] [stdout]     |
[INFO] [stdout] 146 | ...                   thr_started += 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 `thr_finished` is never read
[INFO] [stdout]    --> src/monitor/stat_profiler.rs:155:37
[INFO] [stdout]     |
[INFO] [stdout] 155 | ...                   thr_finished += 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 3.42s
[INFO] running `Command { std: "docker" "inspect" "29c1691d537bf3cecbc662ec6123aef635c356d16e5818ca1ccf28411604e2fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29c1691d537bf3cecbc662ec6123aef635c356d16e5818ca1ccf28411604e2fc", kill_on_drop: false }`
[INFO] [stdout] 29c1691d537bf3cecbc662ec6123aef635c356d16e5818ca1ccf28411604e2fc
[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=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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8804c61fd972a6376c5d7c3c55834821c451b094180c05f507adcd429277f47e
[INFO] running `Command { std: "docker" "start" "-a" "8804c61fd972a6376c5d7c3c55834821c451b094180c05f507adcd429277f47e", kill_on_drop: false }`
[INFO] [stdout] warning: value assigned to `thr_started` is never read
[INFO] [stdout]    --> src/monitor/stat_profiler.rs:143:37
[INFO] [stdout]     |
[INFO] [stdout] 143 | ...                   thr_started += 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 `thr_started` is never read
[INFO] [stdout]    --> src/monitor/stat_profiler.rs:146:37
[INFO] [stdout]     |
[INFO] [stdout] 146 | ...                   thr_started += 1;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling thread-monitor v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `thr_finished` is never read
[INFO] [stdout]    --> src/monitor/stat_profiler.rs:155:37
[INFO] [stdout]     |
[INFO] [stdout] 155 | ...                   thr_finished += 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 `thr_started` is never read
[INFO] [stdout]    --> src/monitor/stat_profiler.rs:143:37
[INFO] [stdout]     |
[INFO] [stdout] 143 | ...                   thr_started += 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 `thr_started` is never read
[INFO] [stdout]    --> src/monitor/stat_profiler.rs:146:37
[INFO] [stdout]     |
[INFO] [stdout] 146 | ...                   thr_started += 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 `thr_finished` is never read
[INFO] [stdout]    --> src/monitor/stat_profiler.rs:155:37
[INFO] [stdout]     |
[INFO] [stdout] 155 | ...                   thr_finished += 1;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "8804c61fd972a6376c5d7c3c55834821c451b094180c05f507adcd429277f47e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8804c61fd972a6376c5d7c3c55834821c451b094180c05f507adcd429277f47e", kill_on_drop: false }`
[INFO] [stdout] 8804c61fd972a6376c5d7c3c55834821c451b094180c05f507adcd429277f47e
[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=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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ca80984bb7e524a59e5222996040c9fd7e39cf30df6090ac5cc6bccf8e615599
[INFO] running `Command { std: "docker" "start" "-a" "ca80984bb7e524a59e5222996040c9fd7e39cf30df6090ac5cc6bccf8e615599", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `thr_started` is never read
[INFO] [stderr]    --> src/monitor/stat_profiler.rs:143:37
[INFO] [stderr]     |
[INFO] [stderr] 143 | ...                   thr_started += 1;
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `thr_started` is never read
[INFO] [stderr]    --> src/monitor/stat_profiler.rs:146:37
[INFO] [stderr]     |
[INFO] [stderr] 146 | ...                   thr_started += 1;
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `thr_finished` is never read
[INFO] [stderr]    --> src/monitor/stat_profiler.rs:155:37
[INFO] [stderr]     |
[INFO] [stderr] 155 | ...                   thr_finished += 1;
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: `thread-monitor` (lib) generated 3 warnings
[INFO] [stderr] warning: `thread-monitor` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/thread_monitor-cb9446455666d8d5)
[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]    Doc-tests thread_monitor
[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] running `Command { std: "docker" "inspect" "ca80984bb7e524a59e5222996040c9fd7e39cf30df6090ac5cc6bccf8e615599", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca80984bb7e524a59e5222996040c9fd7e39cf30df6090ac5cc6bccf8e615599", kill_on_drop: false }`
[INFO] [stdout] ca80984bb7e524a59e5222996040c9fd7e39cf30df6090ac5cc6bccf8e615599