[INFO] fetching crate iter-progress 0.8.1-rc1...
[INFO] testing iter-progress-0.8.1-rc1 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate iter-progress 0.8.1-rc1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate iter-progress 0.8.1-rc1 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", 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] 47074fa34314cb5d032d9b35bddc95bd6729e7667fb585499609d4b9d399f57c
[INFO] running `Command { std: "docker" "start" "-a" "47074fa34314cb5d032d9b35bddc95bd6729e7667fb585499609d4b9d399f57c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47074fa34314cb5d032d9b35bddc95bd6729e7667fb585499609d4b9d399f57c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47074fa34314cb5d032d9b35bddc95bd6729e7667fb585499609d4b9d399f57c", kill_on_drop: false }`
[INFO] [stdout] 47074fa34314cb5d032d9b35bddc95bd6729e7667fb585499609d4b9d399f57c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0aa668c1a6144dc1e87f2ff1f117c6712c857d8e75f940c04933526e757a392
[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" "b0aa668c1a6144dc1e87f2ff1f117c6712c857d8e75f940c04933526e757a392", 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 0.19s
[INFO] running `Command { std: "docker" "inspect" "b0aa668c1a6144dc1e87f2ff1f117c6712c857d8e75f940c04933526e757a392", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0aa668c1a6144dc1e87f2ff1f117c6712c857d8e75f940c04933526e757a392", kill_on_drop: false }`
[INFO] [stdout] b0aa668c1a6144dc1e87f2ff1f117c6712c857d8e75f940c04933526e757a392
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] 957d972da2b1b3d7fa23584e83e5c8ce0bb1a5524ede7ffed3113fa204cdfa97
[INFO] running `Command { std: "docker" "start" "-a" "957d972da2b1b3d7fa23584e83e5c8ce0bb1a5524ede7ffed3113fa204cdfa97", 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 0.64s
[INFO] running `Command { std: "docker" "inspect" "957d972da2b1b3d7fa23584e83e5c8ce0bb1a5524ede7ffed3113fa204cdfa97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "957d972da2b1b3d7fa23584e83e5c8ce0bb1a5524ede7ffed3113fa204cdfa97", kill_on_drop: false }`
[INFO] [stdout] 957d972da2b1b3d7fa23584e83e5c8ce0bb1a5524ede7ffed3113fa204cdfa97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d4e65fd7c718920baedf690ae9e47e726c11354ffd29c1f9e2b5934ae4f9bf8c
[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" "d4e65fd7c718920baedf690ae9e47e726c11354ffd29c1f9e2b5934ae4f9bf8c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/iter_progress-3efa353164276123)
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::optional ... ok
[INFO] [stdout] test tests::test_size_hint ... ok
[INFO] [stderr]    Doc-tests iter-progress
[INFO] [stdout] test tests::test_simple ... ok
[INFO] [stdout] test tests::assume_fraction1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/lib.rs - ProgressRecord::do_every_n_items (line 279) ... 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::percent (line 206) ... ok
[INFO] [stdout] test src/lib.rs - ProgressRecord::num_done (line 106) ... ok
[INFO] [stdout] test src/lib.rs - (line 34) ... ok
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] test src/lib.rs - ProgressRecord::num_done (line 98) ... ok
[INFO] [stdout] test src/lib.rs - OptionalProgressRecorderIter<I>::assume_size (line 493) ... ok
[INFO] [stdout] test src/lib.rs - ProgressRecord::fraction (line 140) ... ok
[INFO] [stdout] test src/lib.rs - ProgressRecord::percent (line 198) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.14s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d4e65fd7c718920baedf690ae9e47e726c11354ffd29c1f9e2b5934ae4f9bf8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4e65fd7c718920baedf690ae9e47e726c11354ffd29c1f9e2b5934ae4f9bf8c", kill_on_drop: false }`
[INFO] [stdout] d4e65fd7c718920baedf690ae9e47e726c11354ffd29c1f9e2b5934ae4f9bf8c