[INFO] cloning repository https://github.com/junhuac/iCoin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/junhuac/iCoin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjunhuac%2FiCoin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjunhuac%2FiCoin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 00c24bd5d3022a8e4d9efccd18513f6e80ace3e2
[INFO] testing junhuac/iCoin against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjunhuac%2FiCoin" "/workspace/builds/worker-46/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-46/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/junhuac/iCoin 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/junhuac/iCoin
[INFO] finished tweaking git repo https://github.com/junhuac/iCoin
[INFO] tweaked toml for git repo https://github.com/junhuac/iCoin written to /workspace/builds/worker-46/source/Cargo.toml
[INFO] crate git repo https://github.com/junhuac/iCoin 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-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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] 05f1270d27ba8dbcf806e73f1382956f9228930fe72811999cd38e6e2287f041
[INFO] running `Command { std: "docker" "start" "-a" "05f1270d27ba8dbcf806e73f1382956f9228930fe72811999cd38e6e2287f041", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05f1270d27ba8dbcf806e73f1382956f9228930fe72811999cd38e6e2287f041", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05f1270d27ba8dbcf806e73f1382956f9228930fe72811999cd38e6e2287f041", kill_on_drop: false }`
[INFO] [stdout] 05f1270d27ba8dbcf806e73f1382956f9228930fe72811999cd38e6e2287f041
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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] bf15b76a3f661174375b6371ac87ac5210f7dbbc40ece60d2a02c39aeda5a1ee
[INFO] running `Command { std: "docker" "start" "-a" "bf15b76a3f661174375b6371ac87ac5210f7dbbc40ece60d2a02c39aeda5a1ee", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling smawk v0.3.1
[INFO] [stderr]    Compiling smallvec v0.4.5
[INFO] [stderr]    Compiling textwrap v0.13.4
[INFO] [stderr]    Compiling ferris-says v0.2.1
[INFO] [stderr]    Compiling iCoin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `iCoin` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `i_coin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Writer` should have a snake case name
[INFO] [stdout]   --> src/main.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut Writer = BufWriter::new(stdout.lock());
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.07s
[INFO] running `Command { std: "docker" "inspect" "bf15b76a3f661174375b6371ac87ac5210f7dbbc40ece60d2a02c39aeda5a1ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf15b76a3f661174375b6371ac87ac5210f7dbbc40ece60d2a02c39aeda5a1ee", kill_on_drop: false }`
[INFO] [stdout] bf15b76a3f661174375b6371ac87ac5210f7dbbc40ece60d2a02c39aeda5a1ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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] 2ec6d4a3be00788dfefcb97277885da5c7ba93026da69cfbc5172c195179e650
[INFO] running `Command { std: "docker" "start" "-a" "2ec6d4a3be00788dfefcb97277885da5c7ba93026da69cfbc5172c195179e650", kill_on_drop: false }`
[INFO] [stderr]    Compiling iCoin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `iCoin` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `i_coin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Writer` should have a snake case name
[INFO] [stdout]   --> src/main.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut Writer = BufWriter::new(stdout.lock());
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "2ec6d4a3be00788dfefcb97277885da5c7ba93026da69cfbc5172c195179e650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ec6d4a3be00788dfefcb97277885da5c7ba93026da69cfbc5172c195179e650", kill_on_drop: false }`
[INFO] [stdout] 2ec6d4a3be00788dfefcb97277885da5c7ba93026da69cfbc5172c195179e650
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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] 678b2eb3c2eec85d325738265fdf28de0499e0b5647742f3f3d744ba6b8bea91
[INFO] running `Command { std: "docker" "start" "-a" "678b2eb3c2eec85d325738265fdf28de0499e0b5647742f3f3d744ba6b8bea91", kill_on_drop: false }`
[INFO] [stderr] warning: crate `iCoin` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `i_coin`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Writer` should have a snake case name
[INFO] [stderr]   --> src/main.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let mut Writer = BufWriter::new(stdout.lock());
[INFO] [stderr]    |             ^^^^^^ help: convert the identifier to snake case (notice the capitalization): `writer`
[INFO] [stderr] 
[INFO] [stderr] warning: `iCoin` (bin "iCoin" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.60s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/iCoin-204711fa856c50dc)
[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" "678b2eb3c2eec85d325738265fdf28de0499e0b5647742f3f3d744ba6b8bea91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "678b2eb3c2eec85d325738265fdf28de0499e0b5647742f3f3d744ba6b8bea91", kill_on_drop: false }`
[INFO] [stdout] 678b2eb3c2eec85d325738265fdf28de0499e0b5647742f3f3d744ba6b8bea91