[INFO] fetching crate iter-merge-sort 0.1.2...
[INFO] testing iter-merge-sort-0.1.2 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate iter-merge-sort 0.1.2 into /workspace/builds/worker-63/source
[INFO] validating manifest of crates.io crate iter-merge-sort 0.1.2 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iter-merge-sort 0.1.2
[INFO] finished tweaking crates.io crate iter-merge-sort 0.1.2
[INFO] tweaked toml for crates.io crate iter-merge-sort 0.1.2 written to /workspace/builds/worker-63/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8dc418c34f8f6eeea23d4c163180b5630b4271c120eebec47f40140344441e7
[INFO] running `Command { std: "docker" "start" "-a" "f8dc418c34f8f6eeea23d4c163180b5630b4271c120eebec47f40140344441e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8dc418c34f8f6eeea23d4c163180b5630b4271c120eebec47f40140344441e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8dc418c34f8f6eeea23d4c163180b5630b4271c120eebec47f40140344441e7", kill_on_drop: false }`
[INFO] [stdout] f8dc418c34f8f6eeea23d4c163180b5630b4271c120eebec47f40140344441e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebe571abf5690c1a0952afc5ac5cff781d7bcfec308c5b1cd1af920436eee65b
[INFO] running `Command { std: "docker" "start" "-a" "ebe571abf5690c1a0952afc5ac5cff781d7bcfec308c5b1cd1af920436eee65b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling iter-merge-sort v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "ebe571abf5690c1a0952afc5ac5cff781d7bcfec308c5b1cd1af920436eee65b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebe571abf5690c1a0952afc5ac5cff781d7bcfec308c5b1cd1af920436eee65b", kill_on_drop: false }`
[INFO] [stdout] ebe571abf5690c1a0952afc5ac5cff781d7bcfec308c5b1cd1af920436eee65b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33210dec388ced8f1373cd235d6dcd729183dbd001b77c838d77a8b8162ff94d
[INFO] running `Command { std: "docker" "start" "-a" "33210dec388ced8f1373cd235d6dcd729183dbd001b77c838d77a8b8162ff94d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling iter-merge-sort v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "33210dec388ced8f1373cd235d6dcd729183dbd001b77c838d77a8b8162ff94d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33210dec388ced8f1373cd235d6dcd729183dbd001b77c838d77a8b8162ff94d", kill_on_drop: false }`
[INFO] [stdout] 33210dec388ced8f1373cd235d6dcd729183dbd001b77c838d77a8b8162ff94d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 009972f0f40054a0135ba2e25e76ae3b66f6ac7b7e9e3a4fc96813ce2561e61d
[INFO] running `Command { std: "docker" "start" "-a" "009972f0f40054a0135ba2e25e76ae3b66f6ac7b7e9e3a4fc96813ce2561e61d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/iter_merge_sort-d9396c4f647cf5a1)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::emepy ... ok
[INFO] [stdout] test tests::desc ... ok
[INFO] [stdout] test tests::infinite_not_desc ... ok
[INFO] [stdout] test tests::not_desc ... ok
[INFO] [stdout] test tests::one_desc ... ok
[INFO] [stdout] test tests::one_not_desc ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests iter_merge_sort
[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" "009972f0f40054a0135ba2e25e76ae3b66f6ac7b7e9e3a4fc96813ce2561e61d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "009972f0f40054a0135ba2e25e76ae3b66f6ac7b7e9e3a4fc96813ce2561e61d", kill_on_drop: false }`
[INFO] [stdout] 009972f0f40054a0135ba2e25e76ae3b66f6ac7b7e9e3a4fc96813ce2561e61d