[INFO] cloning repository https://github.com/bohdanaprokopchuk/serde_practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bohdanaprokopchuk/serde_practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbohdanaprokopchuk%2Fserde_practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbohdanaprokopchuk%2Fserde_practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f51fdf5d2447434765922382a5dfdcf063543349
[INFO] checking bohdanaprokopchuk/serde_practice/f51fdf5d2447434765922382a5dfdcf063543349 against master#068609ce766e55d2e7371cd2a86143a6d7e8e2e4 for pr-138952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbohdanaprokopchuk%2Fserde_practice" "/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/bohdanaprokopchuk/serde_practice on toolchain 068609ce766e55d2e7371cd2a86143a6d7e8e2e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bohdanaprokopchuk/serde_practice
[INFO] finished tweaking git repo https://github.com/bohdanaprokopchuk/serde_practice
[INFO] tweaked toml for git repo https://github.com/bohdanaprokopchuk/serde_practice written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/bohdanaprokopchuk/serde_practice 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" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf1b8ed949d129137adb4395ea9d71369f15b3bdd6765462b3e4c52a5950558a
[INFO] running `Command { std: "docker" "start" "-a" "cf1b8ed949d129137adb4395ea9d71369f15b3bdd6765462b3e4c52a5950558a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf1b8ed949d129137adb4395ea9d71369f15b3bdd6765462b3e4c52a5950558a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf1b8ed949d129137adb4395ea9d71369f15b3bdd6765462b3e4c52a5950558a", kill_on_drop: false }`
[INFO] [stdout] cf1b8ed949d129137adb4395ea9d71369f15b3bdd6765462b3e4c52a5950558a
[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" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 396b514ceac15bbfb1d4f51e026ea8ceaaadc3f142e97b78bf024063bdd315fa
[INFO] running `Command { std: "docker" "start" "-a" "396b514ceac15bbfb1d4f51e026ea8ceaaadc3f142e97b78bf024063bdd315fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]    Compiling serde_json v1.0.132
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling serde_derive v1.0.215
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking serde_practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.29s
[INFO] running `Command { std: "docker" "inspect" "396b514ceac15bbfb1d4f51e026ea8ceaaadc3f142e97b78bf024063bdd315fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "396b514ceac15bbfb1d4f51e026ea8ceaaadc3f142e97b78bf024063bdd315fa", kill_on_drop: false }`
[INFO] [stdout] 396b514ceac15bbfb1d4f51e026ea8ceaaadc3f142e97b78bf024063bdd315fa