[INFO] cloning repository https://github.com/jiangzhe/handflip
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jiangzhe/handflip" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjiangzhe%2Fhandflip", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjiangzhe%2Fhandflip'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f6c655e0475994b2a52c81eed8d1ff6098d2ac16
[INFO] testing jiangzhe/handflip against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjiangzhe%2Fhandflip" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jiangzhe/handflip 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 git repo https://github.com/jiangzhe/handflip
[INFO] finished tweaking git repo https://github.com/jiangzhe/handflip
[INFO] tweaked toml for git repo https://github.com/jiangzhe/handflip written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/jiangzhe/handflip already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt v0.3.17
[INFO] [stderr]   Downloaded nb-connect v1.0.0
[INFO] [stderr]   Downloaded async-std v1.6.4
[INFO] [stderr]   Downloaded infer v0.1.7
[INFO] [stderr]   Downloaded serde_qs v0.6.1
[INFO] [stderr]   Downloaded async-h1 v2.1.2
[INFO] [stderr]   Downloaded byte-pool v0.2.2
[INFO] [stderr]   Downloaded structopt-derive v0.4.10
[INFO] [stderr]   Downloaded http-types v2.4.0
[INFO] [stderr]   Downloaded async-fs v1.3.0
[INFO] [stderr]   Downloaded time v0.2.20
[INFO] [stderr]   Downloaded async-global-executor v1.1.0
[INFO] [stderr]   Downloaded async-task v4.0.0
[INFO] [stderr]   Downloaded async-executor v1.2.0
[INFO] [stderr]   Downloaded async-io v1.1.2
[INFO] [stderr]   Downloaded async-process v1.0.0
[INFO] [stderr]   Downloaded async-rwlock v1.1.0
[INFO] [stderr]   Downloaded async-net v1.4.1
[INFO] [stderr]   Downloaded async-barrier v1.0.1
[INFO] [stderr]   Downloaded futures-lite v1.7.0
[INFO] [stderr]   Downloaded blocking v1.0.0
[INFO] [stderr]   Downloaded smol v1.0.1
[INFO] [stderr]   Downloaded async-lock v2.1.3
[INFO] [stderr]   Downloaded polling v1.0.3
[INFO] [stderr]   Downloaded async-semaphore v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 8c11c4dfcf1a7f60285863b6941694e7993c7c7557c10794b75e1b81b29618d5
[INFO] running `Command { std: "docker" "start" "-a" "8c11c4dfcf1a7f60285863b6941694e7993c7c7557c10794b75e1b81b29618d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c11c4dfcf1a7f60285863b6941694e7993c7c7557c10794b75e1b81b29618d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c11c4dfcf1a7f60285863b6941694e7993c7c7557c10794b75e1b81b29618d5", kill_on_drop: false }`
[INFO] [stdout] 8c11c4dfcf1a7f60285863b6941694e7993c7c7557c10794b75e1b81b29618d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] 0172ea55c9a959126bcbae6b8bf597cdd8f218434da6d8c44b8990acbb82d96e
[INFO] running `Command { std: "docker" "start" "-a" "0172ea55c9a959126bcbae6b8bf597cdd8f218434da6d8c44b8990acbb82d96e", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling subtle v2.3.0
[INFO] [stderr]    Compiling vec-arena v1.0.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling tinyvec v0.3.4
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling async-task v4.0.0
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling cpuid-bool v0.1.2
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling data-encoding v2.3.0
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling async-task v3.0.0
[INFO] [stderr]    Compiling arc-swap v0.4.7
[INFO] [stderr]    Compiling dtoa v0.4.6
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling infer v0.1.7
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.2
[INFO] [stderr]    Compiling async-semaphore v1.1.0
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling async-barrier v1.0.1
[INFO] [stderr]    Compiling async-rwlock v1.1.0
[INFO] [stderr]    Compiling nb-connect v1.0.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling signal-hook-registry v1.2.1
[INFO] [stderr]    Compiling async-channel v1.4.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.13
[INFO] [stderr]    Compiling async-lock v2.1.3
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling futures-lite v1.7.0
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling signal-hook v0.1.16
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling standback v0.2.10
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling time v0.2.20
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling cookie v0.14.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling polling v1.0.3
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling byte-pool v0.2.2
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling async-io v1.1.2
[INFO] [stderr]    Compiling blocking v1.0.0
[INFO] [stderr]    Compiling async-executor v1.2.0
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling async-fs v1.3.0
[INFO] [stderr]    Compiling addr2line v0.13.0
[INFO] [stderr]    Compiling async-global-executor v1.1.0
[INFO] [stderr]    Compiling async-net v1.4.1
[INFO] [stderr]    Compiling async-process v1.0.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling async-std v1.6.4
[INFO] [stderr]    Compiling block-cipher v0.7.1
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling universal-hash v0.4.0
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling aead v0.3.2
[INFO] [stderr]    Compiling smol v1.0.1
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling aes-soft v0.4.0
[INFO] [stderr]    Compiling polyval v0.4.0
[INFO] [stderr]    Compiling hmac v0.8.1
[INFO] [stderr]    Compiling sha2 v0.9.1
[INFO] [stderr]    Compiling hkdf v0.9.0
[INFO] [stderr]    Compiling ghash v0.3.0
[INFO] [stderr]    Compiling aes v0.4.0
[INFO] [stderr]    Compiling aes-gcm v0.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]    Compiling time-macros v0.1.0
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling structopt v0.3.17
[INFO] [stderr]    Compiling pin-project v0.4.23
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling serde_qs v0.6.1
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling http-types v2.4.0
[INFO] [stderr]    Compiling async-h1 v2.1.2
[INFO] [stderr]    Compiling handflip-core v0.1.0 (/opt/rustwide/workdir/handflip-core)
[INFO] [stderr]    Compiling handflip-bin v0.1.0 (/opt/rustwide/workdir/handflip-bin)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "0172ea55c9a959126bcbae6b8bf597cdd8f218434da6d8c44b8990acbb82d96e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0172ea55c9a959126bcbae6b8bf597cdd8f218434da6d8c44b8990acbb82d96e", kill_on_drop: false }`
[INFO] [stdout] 0172ea55c9a959126bcbae6b8bf597cdd8f218434da6d8c44b8990acbb82d96e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] 72eb1c8d8aff6896f0dc963330352efda6af7bd1699781f6be2f97da650ea19a
[INFO] running `Command { std: "docker" "start" "-a" "72eb1c8d8aff6896f0dc963330352efda6af7bd1699781f6be2f97da650ea19a", kill_on_drop: false }`
[INFO] [stderr]    Compiling handflip-core v0.1.0 (/opt/rustwide/workdir/handflip-core)
[INFO] [stderr]    Compiling handflip-bin v0.1.0 (/opt/rustwide/workdir/handflip-bin)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `Command { std: "docker" "inspect" "72eb1c8d8aff6896f0dc963330352efda6af7bd1699781f6be2f97da650ea19a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72eb1c8d8aff6896f0dc963330352efda6af7bd1699781f6be2f97da650ea19a", kill_on_drop: false }`
[INFO] [stdout] 72eb1c8d8aff6896f0dc963330352efda6af7bd1699781f6be2f97da650ea19a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] 4bdabcbb6d8780e6946139b01f25071fea93f6cf509773d3c19c5541ef239f43
[INFO] running `Command { std: "docker" "start" "-a" "4bdabcbb6d8780e6946139b01f25071fea93f6cf509773d3c19c5541ef239f43", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/handflip-86cf492bbcfa0dc4)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/handflip_core-d1a6099e255367be)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests handflip-core
[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 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" "4bdabcbb6d8780e6946139b01f25071fea93f6cf509773d3c19c5541ef239f43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bdabcbb6d8780e6946139b01f25071fea93f6cf509773d3c19c5541ef239f43", kill_on_drop: false }`
[INFO] [stdout] 4bdabcbb6d8780e6946139b01f25071fea93f6cf509773d3c19c5541ef239f43