[INFO] cloning repository https://github.com/dinternet-computer/rust_hello
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dinternet-computer/rust_hello" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdinternet-computer%2Frust_hello", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdinternet-computer%2Frust_hello'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec119217fb8244a9bdff2806d37aa4dda18e76dd
[INFO] checking dinternet-computer/rust_hello against master#42bd138126b0a9d38d65bc9973e72de3c5b6c37f for pr-99217
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdinternet-computer%2Frust_hello" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dinternet-computer/rust_hello on toolchain 42bd138126b0a9d38d65bc9973e72de3c5b6c37f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+42bd138126b0a9d38d65bc9973e72de3c5b6c37f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dinternet-computer/rust_hello
[INFO] finished tweaking git repo https://github.com/dinternet-computer/rust_hello
[INFO] tweaked toml for git repo https://github.com/dinternet-computer/rust_hello written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/dinternet-computer/rust_hello already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+42bd138126b0a9d38d65bc9973e72de3c5b6c37f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/rafalh/rust-fatfs`
[INFO] [stderr]     Updating git repository `https://github.com/paulyoung/icfs.git`
[INFO] [stderr]     Updating git repository `https://github.com/dfinity/cdk-rs.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded candid_derive v0.4.5
[INFO] [stderr]   Downloaded fscommon v0.1.1
[INFO] [stderr]   Downloaded log v0.4.15
[INFO] [stderr]   Downloaded lalrpop v0.19.7
[INFO] [stderr]   Downloaded ic-cdk-macros v0.5.0
[INFO] [stderr]   Downloaded ic-types v0.3.0
[INFO] [stderr]   Downloaded binread v2.2.0
[INFO] [stderr]   Downloaded lalrpop-util v0.19.7
[INFO] [stderr]   Downloaded binread_derive v2.1.0
[INFO] [stderr]   Downloaded candid v0.7.12
[INFO] [stderr]   Downloaded ic-cdk v0.5.0
[INFO] [stderr]   Downloaded git-hash v0.9.2
[INFO] [stderr]   Downloaded git-packetline v0.12.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+42bd138126b0a9d38d65bc9973e72de3c5b6c37f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48ea2fac81a4d701bd9959e7bbb8b1dfe8b5e5bc9265c7cde1eac7ec0d12419c
[INFO] running `Command { std: "docker" "start" "-a" "48ea2fac81a4d701bd9959e7bbb8b1dfe8b5e5bc9265c7cde1eac7ec0d12419c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48ea2fac81a4d701bd9959e7bbb8b1dfe8b5e5bc9265c7cde1eac7ec0d12419c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48ea2fac81a4d701bd9959e7bbb8b1dfe8b5e5bc9265c7cde1eac7ec0d12419c", kill_on_drop: false }`
[INFO] [stdout] 48ea2fac81a4d701bd9959e7bbb8b1dfe8b5e5bc9265c7cde1eac7ec0d12419c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+42bd138126b0a9d38d65bc9973e72de3c5b6c37f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63b340e5bfb3122b416515761d364e4b0465ba311cb396d869b8d5ed1f7cb74c
[INFO] running `Command { std: "docker" "start" "-a" "63b340e5bfb3122b416515761d364e4b0465ba311cb396d869b8d5ed1f7cb74c", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling log v0.4.15
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling siphasher v0.3.10
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[INFO] [stderr]    Compiling crc32fast v1.3.2
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[INFO] [stderr]    Compiling parking_lot v0.11.2
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[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking fatfs v0.4.0 (https://github.com/rafalh/rust-fatfs?rev=87fc1ed5074a32b4e0344fcdde77359ef9e75432#87fc1ed5)
[INFO] [stderr]     Checking lalrpop-util v0.19.7
[INFO] [stderr]    Compiling lalrpop v0.19.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling binread_derive v2.1.0
[INFO] [stderr]    Compiling logos-derive v0.12.0
[INFO] [stderr]    Compiling candid_derive v0.4.5
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]     Checking binread v2.2.0
[INFO] [stderr]     Checking logos v0.12.0
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking ic-types v0.3.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling serde_tokenstream v0.1.3
[INFO] [stderr]    Compiling candid v0.7.12
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling num_enum_derive v0.5.7
[INFO] [stderr]     Checking num_enum v0.5.7
[INFO] [stderr]     Checking ic-cdk v0.5.0
[INFO] [stderr]     Checking ic-cdk v0.4.0 (https://github.com/dfinity/cdk-rs.git?rev=a253119adb08929b6304d007ee0a6a37960656ed#a253119a)
[INFO] [stderr]     Checking icfs v0.1.0 (https://github.com/paulyoung/icfs.git#897e5a99)
[INFO] [stderr]     Checking icfs_fatfs v0.1.0 (/opt/rustwide/workdir/src/icfs_fatfs)
[INFO] [stderr]    Compiling ic-cdk-macros v0.5.0
[INFO] [stderr]     Checking rust_hello v0.1.0 (/opt/rustwide/workdir/src/rust_hello)
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/rust_hello/filesystem.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/rust_hello/filesystem.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::convert::TryInto;
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 19s
[INFO] running `Command { std: "docker" "inspect" "63b340e5bfb3122b416515761d364e4b0465ba311cb396d869b8d5ed1f7cb74c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63b340e5bfb3122b416515761d364e4b0465ba311cb396d869b8d5ed1f7cb74c", kill_on_drop: false }`
[INFO] [stdout] 63b340e5bfb3122b416515761d364e4b0465ba311cb396d869b8d5ed1f7cb74c