[INFO] cloning repository https://github.com/LivingIron/Learning_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LivingIron/Learning_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLivingIron%2FLearning_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLivingIron%2FLearning_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ae5fad55d0a8a482fd3823a39f31f252ef3cf87
[INFO] checking LivingIron/Learning_rust against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLivingIron%2FLearning_rust" "/workspace/builds/worker-113/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-113/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/LivingIron/Learning_rust on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LivingIron/Learning_rust
[INFO] finished tweaking git repo https://github.com/LivingIron/Learning_rust
[INFO] tweaked toml for git repo https://github.com/LivingIron/Learning_rust written to /workspace/builds/worker-113/source/Cargo.toml
[INFO] crate git repo https://github.com/LivingIron/Learning_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e9db0983224ab08e31dcfa2fc0d453b6a65796c5c01d7ab7f51a2fc45f67250
[INFO] running `Command { std: "docker" "start" "-a" "4e9db0983224ab08e31dcfa2fc0d453b6a65796c5c01d7ab7f51a2fc45f67250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e9db0983224ab08e31dcfa2fc0d453b6a65796c5c01d7ab7f51a2fc45f67250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e9db0983224ab08e31dcfa2fc0d453b6a65796c5c01d7ab7f51a2fc45f67250", kill_on_drop: false }`
[INFO] [stdout] 4e9db0983224ab08e31dcfa2fc0d453b6a65796c5c01d7ab7f51a2fc45f67250
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bcdb7e90d8707eddc32699a3ac41842c40f75d70d141e892af98ea70a83dc4b
[INFO] running `Command { std: "docker" "start" "-a" "6bcdb7e90d8707eddc32699a3ac41842c40f75d70d141e892af98ea70a83dc4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking learning_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.04s
[INFO] running `Command { std: "docker" "inspect" "6bcdb7e90d8707eddc32699a3ac41842c40f75d70d141e892af98ea70a83dc4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bcdb7e90d8707eddc32699a3ac41842c40f75d70d141e892af98ea70a83dc4b", kill_on_drop: false }`
[INFO] [stdout] 6bcdb7e90d8707eddc32699a3ac41842c40f75d70d141e892af98ea70a83dc4b