[INFO] fetching crate qstring 0.7.2...
[INFO] building qstring-0.7.2 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate qstring 0.7.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate qstring 0.7.2
[INFO] finished tweaking crates.io crate qstring 0.7.2
[INFO] tweaked toml for crates.io crate qstring 0.7.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate qstring 0.7.2 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e9a02f9b851d454e4f7bca60d5423f0835465bd45ca120f5a1324303c7006c3
[INFO] running `Command { std: "docker" "start" "-a" "5e9a02f9b851d454e4f7bca60d5423f0835465bd45ca120f5a1324303c7006c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e9a02f9b851d454e4f7bca60d5423f0835465bd45ca120f5a1324303c7006c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e9a02f9b851d454e4f7bca60d5423f0835465bd45ca120f5a1324303c7006c3", kill_on_drop: false }`
[INFO] [stdout] 5e9a02f9b851d454e4f7bca60d5423f0835465bd45ca120f5a1324303c7006c3
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6b9f7ebfa9b07e4cb64c058b3386dc1f5c8eae81f0c2c58fbded7ab137dc009
[INFO] running `Command { std: "docker" "start" "-a" "b6b9f7ebfa9b07e4cb64c058b3386dc1f5c8eae81f0c2c58fbded7ab137dc009", kill_on_drop: false }`
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling qstring v0.7.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "b6b9f7ebfa9b07e4cb64c058b3386dc1f5c8eae81f0c2c58fbded7ab137dc009", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6b9f7ebfa9b07e4cb64c058b3386dc1f5c8eae81f0c2c58fbded7ab137dc009", kill_on_drop: false }`
[INFO] [stdout] b6b9f7ebfa9b07e4cb64c058b3386dc1f5c8eae81f0c2c58fbded7ab137dc009
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 245d21ef76866a1853513859d5b0071c7381990be3b315ce1f7a02f796554b80
[INFO] running `Command { std: "docker" "start" "-a" "245d21ef76866a1853513859d5b0071c7381990be3b315ce1f7a02f796554b80", kill_on_drop: false }`
[INFO] [stderr]    Compiling qstring v0.7.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "245d21ef76866a1853513859d5b0071c7381990be3b315ce1f7a02f796554b80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "245d21ef76866a1853513859d5b0071c7381990be3b315ce1f7a02f796554b80", kill_on_drop: false }`
[INFO] [stdout] 245d21ef76866a1853513859d5b0071c7381990be3b315ce1f7a02f796554b80