[INFO] fetching crate printrn 0.1.5...
[INFO] building printrn-0.1.5 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate printrn 0.1.5 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate printrn 0.1.5
[INFO] finished tweaking crates.io crate printrn 0.1.5
[INFO] tweaked toml for crates.io crate printrn 0.1.5 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate printrn 0.1.5 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] crate crates.io crate printrn 0.1.5 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f455f68e633e9ce64290c94410e2774ea686f5b450c7ad81e57ded38d6168e76
[INFO] running `Command { std: "docker" "start" "-a" "f455f68e633e9ce64290c94410e2774ea686f5b450c7ad81e57ded38d6168e76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f455f68e633e9ce64290c94410e2774ea686f5b450c7ad81e57ded38d6168e76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f455f68e633e9ce64290c94410e2774ea686f5b450c7ad81e57ded38d6168e76", kill_on_drop: false }`
[INFO] [stdout] f455f68e633e9ce64290c94410e2774ea686f5b450c7ad81e57ded38d6168e76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 02841e0276fa070923301b960a84ef1610792b1e508f58447a4601e33c101317
[INFO] running `Command { std: "docker" "start" "-a" "02841e0276fa070923301b960a84ef1610792b1e508f58447a4601e33c101317", kill_on_drop: false }`
[INFO] [stderr]    Compiling printrn v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "02841e0276fa070923301b960a84ef1610792b1e508f58447a4601e33c101317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02841e0276fa070923301b960a84ef1610792b1e508f58447a4601e33c101317", kill_on_drop: false }`
[INFO] [stdout] 02841e0276fa070923301b960a84ef1610792b1e508f58447a4601e33c101317
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ec53b11463738d8713b4001cd12231759783c92acaf52692014a3b2a57951df7
[INFO] running `Command { std: "docker" "start" "-a" "ec53b11463738d8713b4001cd12231759783c92acaf52692014a3b2a57951df7", kill_on_drop: false }`
[INFO] [stderr]    Compiling printrn v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `printrn::printr`
[INFO] [stdout]  --> examples/hello_world.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use printrn::printr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "ec53b11463738d8713b4001cd12231759783c92acaf52692014a3b2a57951df7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec53b11463738d8713b4001cd12231759783c92acaf52692014a3b2a57951df7", kill_on_drop: false }`
[INFO] [stdout] ec53b11463738d8713b4001cd12231759783c92acaf52692014a3b2a57951df7