[INFO] fetching crate micro-timer 0.4.0...
[INFO] testing micro-timer-0.4.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate micro-timer 0.4.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate micro-timer 0.4.0
[INFO] finished tweaking crates.io crate micro-timer 0.4.0
[INFO] tweaked toml for crates.io crate micro-timer 0.4.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate micro-timer 0.4.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--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]      Locking 7 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f962eef4b60a026cfb05c75e4146f78b6fe503cc07e1fde0d5850ba870a18322
[INFO] running `Command { std: "docker" "start" "-a" "f962eef4b60a026cfb05c75e4146f78b6fe503cc07e1fde0d5850ba870a18322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f962eef4b60a026cfb05c75e4146f78b6fe503cc07e1fde0d5850ba870a18322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f962eef4b60a026cfb05c75e4146f78b6fe503cc07e1fde0d5850ba870a18322", kill_on_drop: false }`
[INFO] [stdout] f962eef4b60a026cfb05c75e4146f78b6fe503cc07e1fde0d5850ba870a18322
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c378dfc340ee2e0e756bdc5eab7482f4a36360c160888938ae100367b55889b
[INFO] running `Command { std: "docker" "start" "-a" "1c378dfc340ee2e0e756bdc5eab7482f4a36360c160888938ae100367b55889b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling micro-timer-macros v0.4.0
[INFO] [stderr]    Compiling micro-timer v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.88s
[INFO] running `Command { std: "docker" "inspect" "1c378dfc340ee2e0e756bdc5eab7482f4a36360c160888938ae100367b55889b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c378dfc340ee2e0e756bdc5eab7482f4a36360c160888938ae100367b55889b", kill_on_drop: false }`
[INFO] [stdout] 1c378dfc340ee2e0e756bdc5eab7482f4a36360c160888938ae100367b55889b
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7a16d8653115e36f305b3abe58a3a990f07eff64c8e5d1e4eece0456f6fdb5b
[INFO] running `Command { std: "docker" "start" "-a" "d7a16d8653115e36f305b3abe58a3a990f07eff64c8e5d1e4eece0456f6fdb5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling micro-timer v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> tests/behavior.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> tests/compilation.rs:57:21
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn thing(value: Thing) -> &mut String {
[INFO] [stdout]    |                     ^^^^^     ^^^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn thing(value: Thing<'_>) -> &mut String {
[INFO] [stdout]    |                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused comparison that must be used
[INFO] [stdout]   --> tests/compilation.rs:73:18
[INFO] [stdout]    |
[INFO] [stdout] 73 |         unsafe { *value != 0u8 };
[INFO] [stdout]    |                  ^^^^^^^^^^^^^ the comparison produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 73 |         unsafe { let _ = *value != 0u8; };
[INFO] [stdout]    |                  +++++++              +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "d7a16d8653115e36f305b3abe58a3a990f07eff64c8e5d1e4eece0456f6fdb5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7a16d8653115e36f305b3abe58a3a990f07eff64c8e5d1e4eece0456f6fdb5b", kill_on_drop: false }`
[INFO] [stdout] d7a16d8653115e36f305b3abe58a3a990f07eff64c8e5d1e4eece0456f6fdb5b
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e19f7dcc9333557cecb7f6d2a0a2186ed83296d405c8664db78fae48b3aa2f42
[INFO] running `Command { std: "docker" "start" "-a" "e19f7dcc9333557cecb7f6d2a0a2186ed83296d405c8664db78fae48b3aa2f42", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> tests/behavior.rs:13:6
[INFO] [stderr]    |
[INFO] [stderr] 13 |     };
[INFO] [stderr]    |      ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> tests/compilation.rs:57:21
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn thing(value: Thing) -> &mut String {
[INFO] [stderr]    |                     ^^^^^     ^^^^^^^^^^^ the same lifetime is elided here
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     the lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn thing(value: Thing<'_>) -> &mut String {
[INFO] [stderr]    |                          ++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused comparison that must be used
[INFO] [stderr]   --> tests/compilation.rs:73:18
[INFO] [stderr]    |
[INFO] [stderr] 73 |         unsafe { *value != 0u8 };
[INFO] [stderr]    |                  ^^^^^^^^^^^^^ the comparison produces a value
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 73 |         unsafe { let _ = *value != 0u8; };
[INFO] [stderr]    |                  +++++++              +
[INFO] [stderr] 
[INFO] [stderr] warning: `micro-timer` (test "behavior") generated 1 warning
[INFO] [stderr] warning: `micro-timer` (test "compilation") generated 2 warnings (run `cargo fix --test "compilation"` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/micro_timer-be81fad38c196494)
[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/behavior.rs (/opt/rustwide/target/debug/deps/behavior-70caa2e9639eb716)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/compilation.rs (/opt/rustwide/target/debug/deps/compilation-3b566d5a293925ca)
[INFO] [stdout] test test_behavior ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test check_name_conflict ... ok
[INFO] [stdout] test test_fn_mut ... ok
[INFO] [stdout] test test_mut ... ok
[INFO] [stdout] test test_mut_pointer ... ok
[INFO] [stdout] test test_ref_mut ... ok
[INFO] [stdout] test test_mut_struct ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests micro_timer
[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" "e19f7dcc9333557cecb7f6d2a0a2186ed83296d405c8664db78fae48b3aa2f42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e19f7dcc9333557cecb7f6d2a0a2186ed83296d405c8664db78fae48b3aa2f42", kill_on_drop: false }`
[INFO] [stdout] e19f7dcc9333557cecb7f6d2a0a2186ed83296d405c8664db78fae48b3aa2f42