[INFO] fetching crate stdio-override 0.2.0...
[INFO] building stdio-override-0.2.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate stdio-override 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate stdio-override 0.2.0
[INFO] finished tweaking crates.io crate stdio-override 0.2.0
[INFO] tweaked toml for crates.io crate stdio-override 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stdio-override 0.2.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate stdio-override 0.2.0 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7bbf94a6307c7f697717c7abc3c859f7f11140a6a7f2f1e624fdceafdde8e161
[INFO] running `Command { std: "docker" "start" "-a" "7bbf94a6307c7f697717c7abc3c859f7f11140a6a7f2f1e624fdceafdde8e161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bbf94a6307c7f697717c7abc3c859f7f11140a6a7f2f1e624fdceafdde8e161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bbf94a6307c7f697717c7abc3c859f7f11140a6a7f2f1e624fdceafdde8e161", kill_on_drop: false }`
[INFO] [stdout] 7bbf94a6307c7f697717c7abc3c859f7f11140a6a7f2f1e624fdceafdde8e161
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abeaefcc403b8ebd8dbf43853767802b068245694ba763717a03721203dad78e
[INFO] running `Command { std: "docker" "start" "-a" "abeaefcc403b8ebd8dbf43853767802b068245694ba763717a03721203dad78e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling stdio-override v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "abeaefcc403b8ebd8dbf43853767802b068245694ba763717a03721203dad78e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abeaefcc403b8ebd8dbf43853767802b068245694ba763717a03721203dad78e", kill_on_drop: false }`
[INFO] [stdout] abeaefcc403b8ebd8dbf43853767802b068245694ba763717a03721203dad78e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2d1d15ad09a3f312d929310b099e6e1123d2bbfae5f9cda6716c7813d3874c3
[INFO] running `Command { std: "docker" "start" "-a" "f2d1d15ad09a3f312d929310b099e6e1123d2bbfae5f9cda6716c7813d3874c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling os_pipe v1.2.1
[INFO] [stderr]    Compiling stdio-override v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "f2d1d15ad09a3f312d929310b099e6e1123d2bbfae5f9cda6716c7813d3874c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2d1d15ad09a3f312d929310b099e6e1123d2bbfae5f9cda6716c7813d3874c3", kill_on_drop: false }`
[INFO] [stdout] f2d1d15ad09a3f312d929310b099e6e1123d2bbfae5f9cda6716c7813d3874c3