[INFO] fetching crate iter-progress 0.8.1-rc1...
[INFO] testing iter-progress-0.8.1-rc1 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate iter-progress 0.8.1-rc1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate iter-progress 0.8.1-rc1 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iter-progress 0.8.1-rc1
[INFO] finished tweaking crates.io crate iter-progress 0.8.1-rc1
[INFO] tweaked toml for crates.io crate iter-progress 0.8.1-rc1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b8c20ca8ebb3c9e0f544f91abb47d42d88ac1c22b28b6aca07a2b01aff57e72
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8b8c20ca8ebb3c9e0f544f91abb47d42d88ac1c22b28b6aca07a2b01aff57e72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b8c20ca8ebb3c9e0f544f91abb47d42d88ac1c22b28b6aca07a2b01aff57e72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b8c20ca8ebb3c9e0f544f91abb47d42d88ac1c22b28b6aca07a2b01aff57e72", kill_on_drop: false }`
[INFO] [stdout] 8b8c20ca8ebb3c9e0f544f91abb47d42d88ac1c22b28b6aca07a2b01aff57e72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0fb45d69c04210d457cfabb22c54ba5089a396dd2e2697205c4b4b027a221f8d
[INFO] running `Command { std: "docker" "start" "-a" "0fb45d69c04210d457cfabb22c54ba5089a396dd2e2697205c4b4b027a221f8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling iter-progress v0.8.1-rc1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "0fb45d69c04210d457cfabb22c54ba5089a396dd2e2697205c4b4b027a221f8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fb45d69c04210d457cfabb22c54ba5089a396dd2e2697205c4b4b027a221f8d", kill_on_drop: false }`
[INFO] [stdout] 0fb45d69c04210d457cfabb22c54ba5089a396dd2e2697205c4b4b027a221f8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fc582160f07985a49c88b591382a9ec81037e54b5dbbf2c15925fcc216c06b83
[INFO] running `Command { std: "docker" "start" "-a" "fc582160f07985a49c88b591382a9ec81037e54b5dbbf2c15925fcc216c06b83", kill_on_drop: false }`
[INFO] [stderr]    Compiling iter-progress v0.8.1-rc1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "fc582160f07985a49c88b591382a9ec81037e54b5dbbf2c15925fcc216c06b83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc582160f07985a49c88b591382a9ec81037e54b5dbbf2c15925fcc216c06b83", kill_on_drop: false }`
[INFO] [stdout] fc582160f07985a49c88b591382a9ec81037e54b5dbbf2c15925fcc216c06b83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1d15dc16b690ebffb6d4a7ce8200306cf5df0a7b3f8afa44fa516b2eb4e79b3c
[INFO] running `Command { std: "docker" "start" "-a" "1d15dc16b690ebffb6d4a7ce8200306cf5df0a7b3f8afa44fa516b2eb4e79b3c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/iter_progress-3efa353164276123)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::assume_fraction1 ... ok
[INFO] [stdout] test tests::test_simple ... ok
[INFO] [stdout] test tests::test_size_hint ... ok
[INFO] [stdout] test tests::optional ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests iter-progress
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] test src/lib.rs - ProgressRecord::assume_fraction (line 183) ... ok
[INFO] [stdout] test src/lib.rs - ProgressRecord::fraction (line 149) ... ok
[INFO] [stdout] test src/lib.rs - ProgressRecord::fraction (line 140) ... ok
[INFO] [stdout] test src/lib.rs - OptionalProgressRecorderIter<I>::assume_size (line 493) ... ok
[INFO] [stdout] test src/lib.rs - ProgressRecord::do_every_n_items (line 279) ... ok
[INFO] [stdout] test src/lib.rs - ProgressRecord::percent (line 198) ... ok
[INFO] [stdout] test src/lib.rs - ProgressRecord::num_done (line 98) ... ok
[INFO] [stdout] test src/lib.rs - ProgressRecord::num_done (line 106) ... ok
[INFO] [stdout] test src/lib.rs - ProgressRecord::percent (line 206) ... ok
[INFO] [stdout] test src/lib.rs - (line 34) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.24s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1d15dc16b690ebffb6d4a7ce8200306cf5df0a7b3f8afa44fa516b2eb4e79b3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d15dc16b690ebffb6d4a7ce8200306cf5df0a7b3f8afa44fa516b2eb4e79b3c", kill_on_drop: false }`
[INFO] [stdout] 1d15dc16b690ebffb6d4a7ce8200306cf5df0a7b3f8afa44fa516b2eb4e79b3c