[INFO] cloning repository https://github.com/Wonskcalb/rusty-brain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Wonskcalb/rusty-brain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWonskcalb%2Frusty-brain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWonskcalb%2Frusty-brain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f0baee7d77f017e0acf27bb3c4a887d5cc53ff94
[INFO] testing Wonskcalb/rusty-brain against master#10dccdc7fcbdc64ee9efe2c1ed975ab8c1d61287 for pr-94775
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWonskcalb%2Frusty-brain" "/workspace/builds/worker-32/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-32/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Wonskcalb/rusty-brain on toolchain 10dccdc7fcbdc64ee9efe2c1ed975ab8c1d61287
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+10dccdc7fcbdc64ee9efe2c1ed975ab8c1d61287" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Wonskcalb/rusty-brain
[INFO] finished tweaking git repo https://github.com/Wonskcalb/rusty-brain
[INFO] tweaked toml for git repo https://github.com/Wonskcalb/rusty-brain written to /workspace/builds/worker-32/source/Cargo.toml
[INFO] crate git repo https://github.com/Wonskcalb/rusty-brain already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+10dccdc7fcbdc64ee9efe2c1ed975ab8c1d61287" "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-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+10dccdc7fcbdc64ee9efe2c1ed975ab8c1d61287" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12bc935f2cb21239667e8372584639e6abd7764a3b7ac0728560e5b9556f8f33
[INFO] running `Command { std: "docker" "start" "-a" "12bc935f2cb21239667e8372584639e6abd7764a3b7ac0728560e5b9556f8f33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12bc935f2cb21239667e8372584639e6abd7764a3b7ac0728560e5b9556f8f33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12bc935f2cb21239667e8372584639e6abd7764a3b7ac0728560e5b9556f8f33", kill_on_drop: false }`
[INFO] [stdout] 12bc935f2cb21239667e8372584639e6abd7764a3b7ac0728560e5b9556f8f33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+10dccdc7fcbdc64ee9efe2c1ed975ab8c1d61287" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9146d737da641fdfe77d363a5f3f952cbb82838eb250ec951a188d66e70daeb0
[INFO] running `Command { std: "docker" "start" "-a" "9146d737da641fdfe77d363a5f3f952cbb82838eb250ec951a188d66e70daeb0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling subtle v2.4.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling cpuid-bool v0.2.0
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling cpufeatures v0.1.4
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling unic-common v0.7.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling unic-char-range v0.7.0
[INFO] [stderr]    Compiling gimli v0.24.0
[INFO] [stderr]    Compiling slab v0.4.3
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[INFO] [stderr]    Compiling state v0.4.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.19
[INFO] [stderr]    Compiling smallvec v1.6.1
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[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]    Compiling pest v2.1.3
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[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling pear_codegen v0.1.4
[INFO] [stderr]    Compiling rocket_codegen v0.4.10
[INFO] [stderr]    Compiling rocket v0.4.10
[INFO] [stderr]    Compiling unicode-normalization v0.1.18
[INFO] [stderr]    Compiling addr2line v0.15.1
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[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling filetime v0.2.14
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling unic-ucd-segment v0.7.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling unic-segment v0.7.0
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling cipher v0.2.5
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling universal-hash v0.4.0
[INFO] [stderr]    Compiling crypto-mac v0.10.0
[INFO] [stderr]    Compiling aead v0.3.2
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling hmac v0.10.1
[INFO] [stderr]    Compiling sha2 v0.9.5
[INFO] [stderr]    Compiling polyval v0.4.5
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling aes-soft v0.6.4
[INFO] [stderr]    Compiling ctr v0.6.0
[INFO] [stderr]    Compiling hkdf v0.10.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling ghash v0.3.1
[INFO] [stderr]    Compiling notify v4.0.17
[INFO] [stderr]    Compiling aes v0.6.0
[INFO] [stderr]    Compiling aes-gcm v0.8.0
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling cookie v0.11.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling devise_core v0.2.0
[INFO] [stderr]    Compiling tera v0.11.20
[INFO] [stderr]    Compiling devise_codegen v0.2.0
[INFO] [stderr]    Compiling devise v0.2.0
[INFO] [stderr]    Compiling pear v0.1.4
[INFO] [stderr]    Compiling rocket_http v0.4.10
[INFO] [stderr]    Compiling rocket_contrib v0.4.10
[INFO] [stderr]    Compiling rusty-brain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `read_dir`, `read`
[INFO] [stdout]  --> src/types.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{create_dir_all, read, read_dir, write};
[INFO] [stdout]   |                               ^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 41s
[INFO] running `Command { std: "docker" "inspect" "9146d737da641fdfe77d363a5f3f952cbb82838eb250ec951a188d66e70daeb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9146d737da641fdfe77d363a5f3f952cbb82838eb250ec951a188d66e70daeb0", kill_on_drop: false }`
[INFO] [stdout] 9146d737da641fdfe77d363a5f3f952cbb82838eb250ec951a188d66e70daeb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+10dccdc7fcbdc64ee9efe2c1ed975ab8c1d61287" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a6b86b5372af9aa28a93816ba30a413b1fe6641720d4d8e7615fb55204dc1f4
[INFO] running `Command { std: "docker" "start" "-a" "3a6b86b5372af9aa28a93816ba30a413b1fe6641720d4d8e7615fb55204dc1f4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rusty-brain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `read_dir`, `read`
[INFO] [stdout]  --> src/types.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{create_dir_all, read, read_dir, write};
[INFO] [stdout]   |                               ^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.64s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rusty_brain-8d9ca059e549182d)
[INFO] running `Command { std: "docker" "inspect" "3a6b86b5372af9aa28a93816ba30a413b1fe6641720d4d8e7615fb55204dc1f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a6b86b5372af9aa28a93816ba30a413b1fe6641720d4d8e7615fb55204dc1f4", kill_on_drop: false }`
[INFO] [stdout] 3a6b86b5372af9aa28a93816ba30a413b1fe6641720d4d8e7615fb55204dc1f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+10dccdc7fcbdc64ee9efe2c1ed975ab8c1d61287" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4337f4788ca4de24095b24027c125ff424cd5baf1c2dcc8a9853ab8f6ca2355c
[INFO] running `Command { std: "docker" "start" "-a" "4337f4788ca4de24095b24027c125ff424cd5baf1c2dcc8a9853ab8f6ca2355c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused imports: `read_dir`, `read`
[INFO] [stderr]  --> src/types.rs:2:31
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fs::{create_dir_all, read, read_dir, write};
[INFO] [stderr]   |                               ^^^^  ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rusty-brain` (bin "rusty-brain" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rusty_brain-8d9ca059e549182d)
[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" "4337f4788ca4de24095b24027c125ff424cd5baf1c2dcc8a9853ab8f6ca2355c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4337f4788ca4de24095b24027c125ff424cd5baf1c2dcc8a9853ab8f6ca2355c", kill_on_drop: false }`
[INFO] [stdout] 4337f4788ca4de24095b24027c125ff424cd5baf1c2dcc8a9853ab8f6ca2355c