[INFO] fetching crate skipfree 0.9.0...
[INFO] testing skipfree-0.9.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate skipfree 0.9.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate skipfree 0.9.0
[INFO] finished tweaking crates.io crate skipfree 0.9.0
[INFO] tweaked toml for crates.io crate skipfree 0.9.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate skipfree 0.9.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate skipfree 0.9.0 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--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]  Downloading crates ...
[INFO] [stderr]   Downloaded arrrg v0.8.0
[INFO] [stderr]   Downloaded derive_util v0.5.0
[INFO] [stderr]   Downloaded guacamole v0.14.0
[INFO] [stderr]   Downloaded arrrg_derive v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2943fe3266cbb08c2e3ef9522bb5e110d55aaa68fb96ddaadc89e42b0c94ee10
[INFO] running `Command { std: "docker" "start" "-a" "2943fe3266cbb08c2e3ef9522bb5e110d55aaa68fb96ddaadc89e42b0c94ee10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2943fe3266cbb08c2e3ef9522bb5e110d55aaa68fb96ddaadc89e42b0c94ee10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2943fe3266cbb08c2e3ef9522bb5e110d55aaa68fb96ddaadc89e42b0c94ee10", kill_on_drop: false }`
[INFO] [stdout] 2943fe3266cbb08c2e3ef9522bb5e110d55aaa68fb96ddaadc89e42b0c94ee10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5ad32121ef33381498b1bf3d686d9659e9762c16cda186622999311c3a93ae3
[INFO] running `Command { std: "docker" "start" "-a" "c5ad32121ef33381498b1bf3d686d9659e9762c16cda186622999311c3a93ae3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling skipfree v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.13s
[INFO] running `Command { std: "docker" "inspect" "c5ad32121ef33381498b1bf3d686d9659e9762c16cda186622999311c3a93ae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5ad32121ef33381498b1bf3d686d9659e9762c16cda186622999311c3a93ae3", kill_on_drop: false }`
[INFO] [stdout] c5ad32121ef33381498b1bf3d686d9659e9762c16cda186622999311c3a93ae3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4705ecfc6697deb2628a4939db0a37ddddcad851a5b89a11fd608c88d10a4e1
[INFO] running `Command { std: "docker" "start" "-a" "a4705ecfc6697deb2628a4939db0a37ddddcad851a5b89a11fd608c88d10a4e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unicode-width v0.2.1
[INFO] [stderr]    Compiling getopts v0.2.23
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling derive_util v0.5.0
[INFO] [stderr]    Compiling arrrg_derive v0.8.0
[INFO] [stderr]    Compiling arrrg v0.8.0
[INFO] [stderr]    Compiling guacamole v0.14.0
[INFO] [stderr]    Compiling skipfree v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.54s
[INFO] running `Command { std: "docker" "inspect" "a4705ecfc6697deb2628a4939db0a37ddddcad851a5b89a11fd608c88d10a4e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4705ecfc6697deb2628a4939db0a37ddddcad851a5b89a11fd608c88d10a4e1", kill_on_drop: false }`
[INFO] [stdout] a4705ecfc6697deb2628a4939db0a37ddddcad851a5b89a11fd608c88d10a4e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 634749b2f352b26afaf0aa0bec9abbc9dd44b25598b9b32de42f3c3e368b99d2
[INFO] running `Command { std: "docker" "start" "-a" "634749b2f352b26afaf0aa0bec9abbc9dd44b25598b9b32de42f3c3e368b99d2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/skipfree-678bc5b3e022a01b)
[INFO] [stdout] 
[INFO] [stdout] running 141 tests
[INFO] [stdout] test tests::empty ... ok
[INFO] [stdout] test tests::guacamole10083837366657116843 ... ok
[INFO] [stdout] test tests::guacamole1062352881320545268 ... ok
[INFO] [stdout] test tests::guacamole11361176628272461779 ... ok
[INFO] [stdout] test tests::guacamole10073086343966704032 ... ok
[INFO] [stdout] test tests::guacamole12010789949984857857 ... ok
[INFO] [stdout] test tests::guacamole12023783631624717854 ... ok
[INFO] [stdout] test tests::guacamole12097348388461543202 ... ok
[INFO] [stdout] test tests::guacamole10359632481723088944 ... ok
[INFO] [stdout] test tests::guacamole11329384696052517592 ... ok
[INFO] [stdout] test tests::guacamole12755452682312088528 ... ok
[INFO] [stdout] test tests::guacamole10228727419760680423 ... ok
[INFO] [stdout] test tests::guacamole13143166734511941613 ... ok
[INFO] [stdout] test tests::guacamole10280193607363353543 ... ok
[INFO] [stdout] test tests::guacamole11371456206423251316 ... ok
[INFO] [stdout] test tests::guacamole11623220113949101239 ... ok
[INFO] [stdout] test tests::guacamole14141400077699195241 ... ok
[INFO] [stdout] test tests::guacamole11210303247299960443 ... ok
[INFO] [stdout] test tests::guacamole14383940742507881265 ... ok
[INFO] [stdout] test tests::guacamole10255838224480336524 ... ok
[INFO] [stdout] test tests::guacamole11131097472240026722 ... ok
[INFO] [stdout] test tests::guacamole10123668592680715424 ... ok
[INFO] [stdout] test tests::guacamole1143643537273625111 ... ok
[INFO] [stdout] test tests::guacamole14877617924499253175 ... ok
[INFO] [stdout] test tests::guacamole12540079778734656791 ... ok
[INFO] [stdout] test tests::guacamole14652712928456270161 ... ok
[INFO] [stdout] test tests::guacamole14591100764259745984 ... ok
[INFO] [stdout] test tests::guacamole16375772096015101582 ... ok
[INFO] [stdout] test tests::guacamole10768333185320367541 ... ok
[INFO] [stdout] test tests::guacamole15667301855375675291 ... ok
[INFO] [stdout] test tests::guacamole1279265844260850297 ... ok
[INFO] [stdout] test tests::guacamole10516678793248279248 ... ok
[INFO] [stdout] test tests::guacamole16504430361537631561 ... ok
[INFO] [stdout] test tests::guacamole13897475022589417323 ... ok
[INFO] [stdout] test tests::guacamole17502305924622991413 ... ok
[INFO] [stdout] test tests::guacamole12694955016238954511 ... ok
[INFO] [stdout] test tests::guacamole11041737309993626710 ... ok
[INFO] [stdout] test tests::guacamole12682831657278419914 ... ok
[INFO] [stdout] test tests::guacamole17755308676966593242 ... ok
[INFO] [stdout] test tests::guacamole16582874771946804379 ... ok
[INFO] [stdout] test tests::guacamole14254437585891870357 ... ok
[INFO] [stdout] test tests::guacamole14673962558856575051 ... ok
[INFO] [stdout] test tests::guacamole15411918768574122096 ... ok
[INFO] [stdout] test tests::guacamole18387901026806482735 ... ok
[INFO] [stdout] test tests::guacamole13767829340339947296 ... ok
[INFO] [stdout] test tests::guacamole15342157449597448152 ... ok
[INFO] [stdout] test tests::guacamole17950708367571068540 ... ok
[INFO] [stdout] test tests::guacamole15272518372471738484 ... ok
[INFO] [stdout] test tests::guacamole17196344605709572875 ... ok
[INFO] [stdout] test tests::guacamole2733723355657003561 ... ok
[INFO] [stdout] test tests::guacamole3201757213583981843 ... ok
[INFO] [stdout] test tests::guacamole15718820984497662670 ... ok
[INFO] [stdout] test tests::guacamole324460569595836317 ... ok
[INFO] [stdout] test tests::guacamole2208789614482528524 ... ok
[INFO] [stdout] test tests::guacamole16377450408782845911 ... ok
[INFO] [stdout] test tests::guacamole1790232934390704448 ... ok
[INFO] [stdout] test tests::guacamole17537754167396976555 ... ok
[INFO] [stdout] test tests::guacamole16438116022511643404 ... ok
[INFO] [stdout] test tests::guacamole1877611980528522935 ... ok
[INFO] [stdout] test tests::guacamole18118936442608574906 ... ok
[INFO] [stdout] test tests::guacamole246982374299724949 ... ok
[INFO] [stdout] test tests::guacamole3597577870835358410 ... ok
[INFO] [stdout] test tests::guacamole17917937518970327178 ... ok
[INFO] [stdout] test tests::guacamole3303319316588366166 ... ok
[INFO] [stdout] test tests::guacamole2317217670142823873 ... ok
[INFO] [stdout] test tests::guacamole4017360561893399133 ... ok
[INFO] [stdout] test tests::guacamole4944978611314439769 ... ok
[INFO] [stdout] test tests::guacamole17914957350531144410 ... ok
[INFO] [stdout] test tests::guacamole3320509479511817219 ... ok
[INFO] [stdout] test tests::guacamole3626616070959083137 ... ok
[INFO] [stdout] test tests::guacamole5043755100919235570 ... ok
[INFO] [stdout] test tests::guacamole2172494012740847644 ... ok
[INFO] [stdout] test tests::guacamole2989692141685624374 ... ok
[INFO] [stdout] test tests::guacamole3478615096064275855 ... ok
[INFO] [stdout] test tests::guacamole3902250231851721388 ... ok
[INFO] [stdout] test tests::guacamole5798265307709855298 ... ok
[INFO] [stdout] test tests::guacamole3836373529551491966 ... ok
[INFO] [stdout] test tests::guacamole5931287646214908170 ... ok
[INFO] [stdout] test tests::guacamole5975732403272375652 ... ok
[INFO] [stdout] test tests::guacamole5852791434107298260 ... ok
[INFO] [stdout] test tests::guacamole17949739483993176455 ... ok
[INFO] [stdout] test tests::guacamole3670921603004318553 ... ok
[INFO] [stdout] test tests::guacamole4158217929443476850 ... ok
[INFO] [stdout] test tests::guacamole5713319554772393873 ... ok
[INFO] [stdout] test tests::guacamole3907397257238114082 ... ok
[INFO] [stdout] test tests::guacamole5176147892203871809 ... ok
[INFO] [stdout] test tests::guacamole5096222197520622318 ... ok
[INFO] [stdout] test tests::guacamole5028419926425315651 ... ok
[INFO] [stdout] test tests::guacamole6054264604825596291 ... ok
[INFO] [stdout] test tests::guacamole658348099974014570 ... ok
[INFO] [stdout] test tests::guacamole4683773090215001530 ... ok
[INFO] [stdout] test tests::guacamole6329028112560807121 ... ok
[INFO] [stdout] test tests::guacamole4384035186212511325 ... ok
[INFO] [stdout] test tests::guacamole5123112340922497158 ... ok
[INFO] [stdout] test tests::guacamole6817053893763286600 ... ok
[INFO] [stdout] test tests::guacamole5115362495493032835 ... ok
[INFO] [stdout] test tests::guacamole6845171597970930451 ... ok
[INFO] [stdout] test tests::guacamole7429035785165093816 ... ok
[INFO] [stdout] test tests::guacamole7402589127483390035 ... ok
[INFO] [stdout] test tests::guacamole7324466076719006097 ... ok
[INFO] [stdout] test tests::guacamole5700240193932540843 ... ok
[INFO] [stdout] test tests::guacamole7762509103363396504 ... ok
[INFO] [stdout] test tests::guacamole6518552131696804795 ... ok
[INFO] [stdout] test tests::guacamole6061677557436624432 ... ok
[INFO] [stdout] test tests::guacamole6420539549041764220 ... ok
[INFO] [stdout] test tests::guacamole6616032404529850977 ... ok
[INFO] [stdout] test tests::guacamole6639946947205542247 ... ok
[INFO] [stdout] test tests::guacamole6440572597074903414 ... ok
[INFO] [stdout] test tests::guacamole6643963873287725700 ... ok
[INFO] [stdout] test tests::guacamole8337810437742124651 ... ok
[INFO] [stdout] test tests::guacamole7008015784393062874 ... ok
[INFO] [stdout] test tests::guacamole8455744569416988604 ... ok
[INFO] [stdout] test tests::guacamole7538002874666812588 ... ok
[INFO] [stdout] test tests::guacamole6865868502180192748 ... ok
[INFO] [stdout] test tests::guacamole7525602278946761472 ... ok
[INFO] [stdout] test tests::guacamole8762180490090364255 ... ok
[INFO] [stdout] test tests::guacamole7281899546506092909 ... ok
[INFO] [stdout] test tests::guacamole8053266640118673186 ... ok
[INFO] [stdout] test tests::guacamole7767428294873306778 ... ok
[INFO] [stdout] test tests::guacamole9607168360918661444 ... ok
[INFO] [stdout] test tests::guacamole9238977550597094952 ... ok
[INFO] [stdout] test tests::guacamole9065699422885789108 ... ok
[INFO] [stdout] test tests::guacamole7115477186655918266 ... ok
[INFO] [stdout] test tests::late_insert ... ok
[INFO] [stdout] test tests::one_two_three ... ok
[INFO] [stdout] test tests::reverse_reverse ... ok
[INFO] [stdout] test tests::guacamole8067398835850766806 ... ok
[INFO] [stdout] test tests::guacamole7137897304743841561 ... ok
[INFO] [stdout] test tests::guacamole8242885838749006031 ... ok
[INFO] [stdout] test tests::guacamole7953136082766321936 ... ok
[INFO] [stdout] test tests::guacamole80143373126134956 ... ok
[INFO] [stdout] test tests::guacamole8699617108035283357 ... ok
[INFO] [stdout] test tests::guacamole8596857132683877016 ... ok
[INFO] [stdout] test tests::guacamole8823831865473308745 ... ok
[INFO] [stdout] test tests::guacamole7895768985087893597 ... ok
[INFO] [stdout] test tests::guacamole825178995426522985 ... ok
[INFO] [stdout] test tests::guacamole9774843062374528120 ... ok
[INFO] [stdout] test tests::guacamole9907478478060667830 ... ok
[INFO] [stdout] test tests::guacamole8528053684996466666 ... ok
[INFO] [stdout] test tests::guacamole9732174417319049224 ... ok
[INFO] [stdout] test tests::guacamole9558090827395204383 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 141 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 35.79s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests skipfree
[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" "634749b2f352b26afaf0aa0bec9abbc9dd44b25598b9b32de42f3c3e368b99d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "634749b2f352b26afaf0aa0bec9abbc9dd44b25598b9b32de42f3c3e368b99d2", kill_on_drop: false }`
[INFO] [stdout] 634749b2f352b26afaf0aa0bec9abbc9dd44b25598b9b32de42f3c3e368b99d2