[INFO] cloning repository https://github.com/WilliamVenner/env_ast
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/WilliamVenner/env_ast" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWilliamVenner%2Fenv_ast", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWilliamVenner%2Fenv_ast'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af0998085586ae4201750bb45dc14d2dd89327be
[INFO] checking WilliamVenner/env_ast against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWilliamVenner%2Fenv_ast" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/WilliamVenner/env_ast
[INFO] finished tweaking git repo https://github.com/WilliamVenner/env_ast
[INFO] tweaked toml for git repo https://github.com/WilliamVenner/env_ast written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/WilliamVenner/env_ast on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/WilliamVenner/env_ast 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d3312fa72bb83a7ca7c1bf1ee53cbaba91eef70df6cc8372e4e3abc9771aaea
[INFO] running `Command { std: "docker" "start" "-a" "3d3312fa72bb83a7ca7c1bf1ee53cbaba91eef70df6cc8372e4e3abc9771aaea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d3312fa72bb83a7ca7c1bf1ee53cbaba91eef70df6cc8372e4e3abc9771aaea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d3312fa72bb83a7ca7c1bf1ee53cbaba91eef70df6cc8372e4e3abc9771aaea", kill_on_drop: false }`
[INFO] [stdout] 3d3312fa72bb83a7ca7c1bf1ee53cbaba91eef70df6cc8372e4e3abc9771aaea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57e136d4e783e62be26c159257f061e8cd8229fd8e8d2f4d3c7aa0f31483887f
[INFO] running `Command { std: "docker" "start" "-a" "57e136d4e783e62be26c159257f061e8cd8229fd8e8d2f4d3c7aa0f31483887f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking env_ast v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking env_ast_test v0.1.0 (/opt/rustwide/workdir/env_ast_test)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.94s
[INFO] running `Command { std: "docker" "inspect" "57e136d4e783e62be26c159257f061e8cd8229fd8e8d2f4d3c7aa0f31483887f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57e136d4e783e62be26c159257f061e8cd8229fd8e8d2f4d3c7aa0f31483887f", kill_on_drop: false }`
[INFO] [stdout] 57e136d4e783e62be26c159257f061e8cd8229fd8e8d2f4d3c7aa0f31483887f