[INFO] fetching crate rgc 0.3.4...
[INFO] testing rgc-0.3.4 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate rgc 0.3.4 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate rgc 0.3.4 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rgc 0.3.4
[INFO] finished tweaking crates.io crate rgc 0.3.4
[INFO] tweaked toml for crates.io crate rgc 0.3.4 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate rgc 0.3.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90992f97a909a2c76d9fbd300f192a90a02928cde5edd5bcae32dd7059b28eca
[INFO] running `Command { std: "docker" "start" "-a" "90992f97a909a2c76d9fbd300f192a90a02928cde5edd5bcae32dd7059b28eca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90992f97a909a2c76d9fbd300f192a90a02928cde5edd5bcae32dd7059b28eca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90992f97a909a2c76d9fbd300f192a90a02928cde5edd5bcae32dd7059b28eca", kill_on_drop: false }`
[INFO] [stdout] 90992f97a909a2c76d9fbd300f192a90a02928cde5edd5bcae32dd7059b28eca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86d1547fe9b430b43c9288dd2705434e427cb0de3d5f15c78894f6f79b45c82d
[INFO] running `Command { std: "docker" "start" "-a" "86d1547fe9b430b43c9288dd2705434e427cb0de3d5f15c78894f6f79b45c82d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling simple_input v0.4.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling dirs v3.0.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling bunt-macros v0.1.0
[INFO] [stderr]    Compiling bunt v0.1.0
[INFO] [stderr]    Compiling rgc v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.00s
[INFO] running `Command { std: "docker" "inspect" "86d1547fe9b430b43c9288dd2705434e427cb0de3d5f15c78894f6f79b45c82d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86d1547fe9b430b43c9288dd2705434e427cb0de3d5f15c78894f6f79b45c82d", kill_on_drop: false }`
[INFO] [stdout] 86d1547fe9b430b43c9288dd2705434e427cb0de3d5f15c78894f6f79b45c82d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 976ae0c58d7a592ccd6d2bc4422c86475248e058de21d9f9dfc9a4326ed254a7
[INFO] running `Command { std: "docker" "start" "-a" "976ae0c58d7a592ccd6d2bc4422c86475248e058de21d9f9dfc9a4326ed254a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling rgc v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "976ae0c58d7a592ccd6d2bc4422c86475248e058de21d9f9dfc9a4326ed254a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "976ae0c58d7a592ccd6d2bc4422c86475248e058de21d9f9dfc9a4326ed254a7", kill_on_drop: false }`
[INFO] [stdout] 976ae0c58d7a592ccd6d2bc4422c86475248e058de21d9f9dfc9a4326ed254a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7aaf1917f7e3d766d061e9113fb583c9a8632673121b8791fc903dbb94a5f74b
[INFO] running `Command { std: "docker" "start" "-a" "7aaf1917f7e3d766d061e9113fb583c9a8632673121b8791fc903dbb94a5f74b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rgc-bbef32159d78bf6a)
[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" "7aaf1917f7e3d766d061e9113fb583c9a8632673121b8791fc903dbb94a5f74b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aaf1917f7e3d766d061e9113fb583c9a8632673121b8791fc903dbb94a5f74b", kill_on_drop: false }`
[INFO] [stdout] 7aaf1917f7e3d766d061e9113fb583c9a8632673121b8791fc903dbb94a5f74b