[INFO] fetching crate rs_rc2 0.1.2...
[INFO] testing rs_rc2-0.1.2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate rs_rc2 0.1.2 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate rs_rc2 0.1.2
[INFO] finished tweaking crates.io crate rs_rc2 0.1.2
[INFO] tweaked toml for crates.io crate rs_rc2 0.1.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rs_rc2 0.1.2 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33596c4fddd23c7100e1f38ac0202496c9193de256c741e1a028e3fef96ff79b
[INFO] running `Command { std: "docker" "start" "-a" "33596c4fddd23c7100e1f38ac0202496c9193de256c741e1a028e3fef96ff79b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33596c4fddd23c7100e1f38ac0202496c9193de256c741e1a028e3fef96ff79b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33596c4fddd23c7100e1f38ac0202496c9193de256c741e1a028e3fef96ff79b", kill_on_drop: false }`
[INFO] [stdout] 33596c4fddd23c7100e1f38ac0202496c9193de256c741e1a028e3fef96ff79b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd9f0d871d03fdd7dcd4ac34ea4e18d09e18d341edc3861876ba645124892d0a
[INFO] running `Command { std: "docker" "start" "-a" "dd9f0d871d03fdd7dcd4ac34ea4e18d09e18d341edc3861876ba645124892d0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs_rc2 v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "dd9f0d871d03fdd7dcd4ac34ea4e18d09e18d341edc3861876ba645124892d0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd9f0d871d03fdd7dcd4ac34ea4e18d09e18d341edc3861876ba645124892d0a", kill_on_drop: false }`
[INFO] [stdout] dd9f0d871d03fdd7dcd4ac34ea4e18d09e18d341edc3861876ba645124892d0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 381e9e5f0e8106cd9c1210c53c8b5e836e409c3a725c0e9c0235464cbcc76fa4
[INFO] running `Command { std: "docker" "start" "-a" "381e9e5f0e8106cd9c1210c53c8b5e836e409c3a725c0e9c0235464cbcc76fa4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs_rc2 v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "381e9e5f0e8106cd9c1210c53c8b5e836e409c3a725c0e9c0235464cbcc76fa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "381e9e5f0e8106cd9c1210c53c8b5e836e409c3a725c0e9c0235464cbcc76fa4", kill_on_drop: false }`
[INFO] [stdout] 381e9e5f0e8106cd9c1210c53c8b5e836e409c3a725c0e9c0235464cbcc76fa4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ff745c646c36f1842cb55f1e4fcb5ff48e894f605d97a3cd7e39d1965ef2c87a
[INFO] running `Command { std: "docker" "start" "-a" "ff745c646c36f1842cb55f1e4fcb5ff48e894f605d97a3cd7e39d1965ef2c87a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rs_rc2-3a2b2d51f45c5f18)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rs_rc2
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ff745c646c36f1842cb55f1e4fcb5ff48e894f605d97a3cd7e39d1965ef2c87a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff745c646c36f1842cb55f1e4fcb5ff48e894f605d97a3cd7e39d1965ef2c87a", kill_on_drop: false }`
[INFO] [stdout] ff745c646c36f1842cb55f1e4fcb5ff48e894f605d97a3cd7e39d1965ef2c87a