[INFO] cloning repository https://github.com/mhfowler/learning-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mhfowler/learning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhfowler%2Flearning-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhfowler%2Flearning-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bbe3484d7ac115e15c31ae87574cce020f096e38
[INFO] testing mhfowler/learning-rust against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhfowler%2Flearning-rust" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mhfowler/learning-rust on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mhfowler/learning-rust
[INFO] finished tweaking git repo https://github.com/mhfowler/learning-rust
[INFO] tweaked toml for git repo https://github.com/mhfowler/learning-rust written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/mhfowler/learning-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a8a4a6b7ef8776ab5c1abbd24e9330328a6e6850e70fe2eb222d95bcb8d2bd3
[INFO] running `Command { std: "docker" "start" "-a" "8a8a4a6b7ef8776ab5c1abbd24e9330328a6e6850e70fe2eb222d95bcb8d2bd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a8a4a6b7ef8776ab5c1abbd24e9330328a6e6850e70fe2eb222d95bcb8d2bd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a8a4a6b7ef8776ab5c1abbd24e9330328a6e6850e70fe2eb222d95bcb8d2bd3", kill_on_drop: false }`
[INFO] [stdout] 8a8a4a6b7ef8776ab5c1abbd24e9330328a6e6850e70fe2eb222d95bcb8d2bd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 041002e31d802c28fd7d4cbf12673a6d1c589415b02b70d00bb1edfa745f40f1
[INFO] running `Command { std: "docker" "start" "-a" "041002e31d802c28fd7d4cbf12673a6d1c589415b02b70d00bb1edfa745f40f1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling futures v0.1.30
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling smallvec v1.4.2
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling humantime v2.0.1
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling aho-corasick v0.7.14
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling net2 v0.2.35
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling globset v0.4.6
[INFO] [stderr]    Compiling env_logger v0.8.1
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling snafu-derive v0.6.9
[INFO] [stderr]    Compiling snafu v0.6.9
[INFO] [stderr]    Compiling jsonrpc-core v15.1.0
[INFO] [stderr]    Compiling jsonrpc-server-utils v15.1.0
[INFO] [stderr]    Compiling jsonrpc-http-server v15.1.0
[INFO] [stderr]    Compiling peach-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.24s
[INFO] running `Command { std: "docker" "inspect" "041002e31d802c28fd7d4cbf12673a6d1c589415b02b70d00bb1edfa745f40f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "041002e31d802c28fd7d4cbf12673a6d1c589415b02b70d00bb1edfa745f40f1", kill_on_drop: false }`
[INFO] [stdout] 041002e31d802c28fd7d4cbf12673a6d1c589415b02b70d00bb1edfa745f40f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37715cb9cc683a3f93b34f5a12e8861a05030fdc3dba0fee17ac5108602daa16
[INFO] running `Command { std: "docker" "start" "-a" "37715cb9cc683a3f93b34f5a12e8861a05030fdc3dba0fee17ac5108602daa16", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling peach-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.75s
[INFO] running `Command { std: "docker" "inspect" "37715cb9cc683a3f93b34f5a12e8861a05030fdc3dba0fee17ac5108602daa16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37715cb9cc683a3f93b34f5a12e8861a05030fdc3dba0fee17ac5108602daa16", kill_on_drop: false }`
[INFO] [stdout] 37715cb9cc683a3f93b34f5a12e8861a05030fdc3dba0fee17ac5108602daa16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9f92ebc320bdd3470cf5f8b6429291f98411ed6636bf19f71fec022e0140986b
[INFO] running `Command { std: "docker" "start" "-a" "9f92ebc320bdd3470cf5f8b6429291f98411ed6636bf19f71fec022e0140986b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/peach_demo-90e7ffe52b3c46e2)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/peach_demo-8a7984c4393b7ca3)
[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] [stderr]    Doc-tests peach-demo
[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" "9f92ebc320bdd3470cf5f8b6429291f98411ed6636bf19f71fec022e0140986b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f92ebc320bdd3470cf5f8b6429291f98411ed6636bf19f71fec022e0140986b", kill_on_drop: false }`
[INFO] [stdout] 9f92ebc320bdd3470cf5f8b6429291f98411ed6636bf19f71fec022e0140986b