[INFO] fetching crate arccstr 1.3.3...
[INFO] checking arccstr-1.3.3 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate arccstr 1.3.3 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate arccstr 1.3.3
[INFO] finished tweaking crates.io crate arccstr 1.3.3
[INFO] tweaked toml for crates.io crate arccstr 1.3.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate arccstr 1.3.3 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce0cc4ba2a40d5e05bb888e317f395cd52e49c1d2e77ecefd329f1d4e2ce8e17
[INFO] running `Command { std: "docker" "start" "-a" "ce0cc4ba2a40d5e05bb888e317f395cd52e49c1d2e77ecefd329f1d4e2ce8e17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce0cc4ba2a40d5e05bb888e317f395cd52e49c1d2e77ecefd329f1d4e2ce8e17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce0cc4ba2a40d5e05bb888e317f395cd52e49c1d2e77ecefd329f1d4e2ce8e17", kill_on_drop: false }`
[INFO] [stdout] ce0cc4ba2a40d5e05bb888e317f395cd52e49c1d2e77ecefd329f1d4e2ce8e17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94f49ee09f5c037568d5e437a207575c1392a393ab81bd3d777c5be502c384ea
[INFO] running `Command { std: "docker" "start" "-a" "94f49ee09f5c037568d5e437a207575c1392a393ab81bd3d777c5be502c384ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking serde_test v1.0.177
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking arccstr v1.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.15s
[INFO] running `Command { std: "docker" "inspect" "94f49ee09f5c037568d5e437a207575c1392a393ab81bd3d777c5be502c384ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94f49ee09f5c037568d5e437a207575c1392a393ab81bd3d777c5be502c384ea", kill_on_drop: false }`
[INFO] [stdout] 94f49ee09f5c037568d5e437a207575c1392a393ab81bd3d777c5be502c384ea