[INFO] cloning repository https://github.com/BernardIgiri/learn_more_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BernardIgiri/learn_more_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBernardIgiri%2Flearn_more_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBernardIgiri%2Flearn_more_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c30cf70684f6a1bd70f109b063ab0bb91ac77edb
[INFO] checking BernardIgiri/learn_more_rust against master#46424fb5054f211ec836c5c03159f92e46bb35ac for pr-139042
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBernardIgiri%2Flearn_more_rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BernardIgiri/learn_more_rust on toolchain 46424fb5054f211ec836c5c03159f92e46bb35ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BernardIgiri/learn_more_rust
[INFO] finished tweaking git repo https://github.com/BernardIgiri/learn_more_rust
[INFO] tweaked toml for git repo https://github.com/BernardIgiri/learn_more_rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/BernardIgiri/learn_more_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-bidi v0.3.10
[INFO] [stderr]   Downloaded unescape v0.1.0
[INFO] [stderr]   Downloaded futures-sink v0.3.26
[INFO] [stderr]   Downloaded ipnet v2.7.1
[INFO] [stderr]   Downloaded futures-io v0.3.26
[INFO] [stderr]   Downloaded tokio-macros v1.8.2
[INFO] [stderr]   Downloaded futures-task v0.3.26
[INFO] [stderr]   Downloaded futures-core v0.3.26
[INFO] [stderr]   Downloaded futures-channel v0.3.26
[INFO] [stderr]   Downloaded tokio-util v0.7.4
[INFO] [stderr]   Downloaded hyper v0.14.24
[INFO] [stderr]   Downloaded futures-util v0.3.26
[INFO] [stderr]   Downloaded h2 v0.3.15
[INFO] [stderr]   Downloaded reqwest v0.11.14
[INFO] [stderr]   Downloaded serde_json v1.0.92
[INFO] [stderr]   Downloaded tokio v1.25.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b8495db0bf1e195bebb32653f042f53e4be66bea19f7814337c02ef694f0099
[INFO] running `Command { std: "docker" "start" "-a" "0b8495db0bf1e195bebb32653f042f53e4be66bea19f7814337c02ef694f0099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b8495db0bf1e195bebb32653f042f53e4be66bea19f7814337c02ef694f0099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b8495db0bf1e195bebb32653f042f53e4be66bea19f7814337c02ef694f0099", kill_on_drop: false }`
[INFO] [stdout] 0b8495db0bf1e195bebb32653f042f53e4be66bea19f7814337c02ef694f0099
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4dcd2e05734baca3df6f9d60a38b86731f6105872bc0fe29e5dbc5bb328966bc
[INFO] running `Command { std: "docker" "start" "-a" "4dcd2e05734baca3df6f9d60a38b86731f6105872bc0fe29e5dbc5bb328966bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling tokio v1.25.0
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling futures-channel v0.3.26
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]     Checking futures-sink v0.3.26
[INFO] [stderr]     Checking futures-io v0.3.26
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]    Compiling serde_json v1.0.92
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.51/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking base64 v0.21.0
[INFO] [stderr]     Checking unicode-bidi v0.3.10
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking ahash v0.8.3
[INFO] [stderr]     Checking encoding_rs v0.8.32
[INFO] [stdout] error[E0635]: unknown feature `stdsimd`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ahash-0.8.3/src/lib.rs:99:42
[INFO] [stdout]    |
[INFO] [stdout] 99 | #![cfg_attr(feature = "stdsimd", feature(stdsimd))]
[INFO] [stdout]    |                                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ipnet v2.7.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr] error: could not compile `ahash` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "4dcd2e05734baca3df6f9d60a38b86731f6105872bc0fe29e5dbc5bb328966bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dcd2e05734baca3df6f9d60a38b86731f6105872bc0fe29e5dbc5bb328966bc", kill_on_drop: false }`
[INFO] [stdout] 4dcd2e05734baca3df6f9d60a38b86731f6105872bc0fe29e5dbc5bb328966bc
