[INFO] fetching crate iter-log 0.2.6...
[INFO] testing iter-log-0.2.6 against try#a7ee93192a766fb0dafa23def7154fc03cfcfc3e for pr-146989
[INFO] extracting crate iter-log 0.2.6 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate iter-log 0.2.6
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate iter-log 0.2.6
[INFO] tweaked toml for crates.io crate iter-log 0.2.6 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate iter-log 0.2.6 on toolchain a7ee93192a766fb0dafa23def7154fc03cfcfc3e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate iter-log 0.2.6 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" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0673d3f1034f9e1d064278af4998073b445ca29399cae8bf6026d0d050b3aaf
[INFO] running `Command { std: "docker" "start" "-a" "b0673d3f1034f9e1d064278af4998073b445ca29399cae8bf6026d0d050b3aaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0673d3f1034f9e1d064278af4998073b445ca29399cae8bf6026d0d050b3aaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0673d3f1034f9e1d064278af4998073b445ca29399cae8bf6026d0d050b3aaf", kill_on_drop: false }`
[INFO] [stdout] b0673d3f1034f9e1d064278af4998073b445ca29399cae8bf6026d0d050b3aaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e0507447eba16a4998ad2da683fde4397a8a4b4070e75100e042629566ecde2
[INFO] running `Command { std: "docker" "start" "-a" "9e0507447eba16a4998ad2da683fde4397a8a4b4070e75100e042629566ecde2", kill_on_drop: false }`
[INFO] [stderr]    Compiling iter-log v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `Command { std: "docker" "inspect" "9e0507447eba16a4998ad2da683fde4397a8a4b4070e75100e042629566ecde2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e0507447eba16a4998ad2da683fde4397a8a4b4070e75100e042629566ecde2", kill_on_drop: false }`
[INFO] [stdout] 9e0507447eba16a4998ad2da683fde4397a8a4b4070e75100e042629566ecde2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 674666d6b1861c4080554c509f49bf0aeb7355842600a02a9c63fbeb1e3b7e54
[INFO] running `Command { std: "docker" "start" "-a" "674666d6b1861c4080554c509f49bf0aeb7355842600a02a9c63fbeb1e3b7e54", kill_on_drop: false }`
[INFO] [stderr]    Compiling iter-log v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "674666d6b1861c4080554c509f49bf0aeb7355842600a02a9c63fbeb1e3b7e54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "674666d6b1861c4080554c509f49bf0aeb7355842600a02a9c63fbeb1e3b7e54", kill_on_drop: false }`
[INFO] [stdout] 674666d6b1861c4080554c509f49bf0aeb7355842600a02a9c63fbeb1e3b7e54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6f3fb985cc113a763aa1c050ae8e8a2401309733c6f25bd8c8b9220c7b6503bc
[INFO] running `Command { std: "docker" "start" "-a" "6f3fb985cc113a763aa1c050ae8e8a2401309733c6f25bd8c8b9220c7b6503bc", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/iter_log-27a7584ab5605ff6)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/iter_log-70a78ad8a8b92e61)
[INFO] [stdout] test tests::test_log_progress_with_logging_enabled ... ok
[INFO] [stdout] test tests::test_set_log_enabled_true ... ok
[INFO] [stdout] test tests::test_set_log_enabled_false ... ok
[INFO] [stdout] test tests::test_set_log_enabled_multiple_calls ... ok
[INFO] [stdout] test tests::test_log_progress_with_logging_disabled ... ok
[INFO] [stdout] test tests::test_log_progress_par_with_logging_enabled ... ok
[INFO] [stdout] test tests::test_log_progress_par_with_logging_disabled ... ok
[INFO] [stdout] test tests::test_toggle_logging_within_single_run ... ok
[INFO] [stdout] test tests::test_toggle_logging_parallel_within_single_run ... ok
[INFO] [stdout] test tests::test_long_computation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests iter_log
[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 1 test
[INFO] [stdout] test src/lib.rs - set_log_enabled (line 45) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.59s; merged doctests compilation took 0.56s
[INFO] running `Command { std: "docker" "inspect" "6f3fb985cc113a763aa1c050ae8e8a2401309733c6f25bd8c8b9220c7b6503bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f3fb985cc113a763aa1c050ae8e8a2401309733c6f25bd8c8b9220c7b6503bc", kill_on_drop: false }`
[INFO] [stdout] 6f3fb985cc113a763aa1c050ae8e8a2401309733c6f25bd8c8b9220c7b6503bc