[INFO] fetching crate Logging4Dummys 1.0.2...
[INFO] checking Logging4Dummys-1.0.2 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate Logging4Dummys 1.0.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate Logging4Dummys 1.0.2
[INFO] finished tweaking crates.io crate Logging4Dummys 1.0.2
[INFO] tweaked toml for crates.io crate Logging4Dummys 1.0.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate Logging4Dummys 1.0.2 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 35 packages to latest compatible versions
[INFO] [stderr]       Adding toml v0.5.11 (available: v0.8.23)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a454be7a29c99f09f3414110cfefbff266cf362e10d8e7bb1ceac5f5dc0165d3
[INFO] running `Command { std: "docker" "start" "-a" "a454be7a29c99f09f3414110cfefbff266cf362e10d8e7bb1ceac5f5dc0165d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a454be7a29c99f09f3414110cfefbff266cf362e10d8e7bb1ceac5f5dc0165d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a454be7a29c99f09f3414110cfefbff266cf362e10d8e7bb1ceac5f5dc0165d3", kill_on_drop: false }`
[INFO] [stdout] a454be7a29c99f09f3414110cfefbff266cf362e10d8e7bb1ceac5f5dc0165d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f29df92b334405cf445f863cd8cd45b7a2cfd9613beebaff532f5cd04714d1a
[INFO] running `Command { std: "docker" "start" "-a" "7f29df92b334405cf445f863cd8cd45b7a2cfd9613beebaff532f5cd04714d1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking iana-time-zone v0.1.63
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking Logging4Dummys v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `Logging4Dummys` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `logging4_dummys`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `logMsg` should have a snake case name
[INFO] [stdout]   --> src/log.rs:18:18
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn write_log(logMsg: String){
[INFO] [stdout]    |                  ^^^^^^ help: convert the identifier to snake case: `log_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `logMsg` should have a snake case name
[INFO] [stdout]   --> src/log.rs:18:18
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn write_log(logMsg: String){
[INFO] [stdout]    |                  ^^^^^^ help: convert the identifier to snake case: `log_msg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.84s
[INFO] running `Command { std: "docker" "inspect" "7f29df92b334405cf445f863cd8cd45b7a2cfd9613beebaff532f5cd04714d1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f29df92b334405cf445f863cd8cd45b7a2cfd9613beebaff532f5cd04714d1a", kill_on_drop: false }`
[INFO] [stdout] 7f29df92b334405cf445f863cd8cd45b7a2cfd9613beebaff532f5cd04714d1a