[INFO] fetching crate rustool 0.3.20...
[INFO] checking rustool-0.3.20 against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] extracting crate rustool 0.3.20 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate rustool 0.3.20 on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustool 0.3.20
[INFO] finished tweaking crates.io crate rustool 0.3.20
[INFO] tweaked toml for crates.io crate rustool 0.3.20 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate rustool 0.3.20 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-complex v0.3.1
[INFO] [stderr]   Downloaded serial_test_derive v0.5.1
[INFO] [stderr]   Downloaded itertools v0.10.0
[INFO] [stderr]   Downloaded matrixmultiply v0.3.1
[INFO] [stderr]   Downloaded approx v0.4.0
[INFO] [stderr]   Downloaded serial_test v0.5.1
[INFO] [stderr]   Downloaded lock_api v0.4.3
[INFO] [stderr]   Downloaded simba v0.4.0
[INFO] [stderr]   Downloaded redox_syscall v0.2.6
[INFO] [stderr]   Downloaded simplelog v0.10.0
[INFO] [stderr]   Downloaded num-rational v0.3.2
[INFO] [stderr]   Downloaded syn v1.0.69
[INFO] [stderr]   Downloaded nalgebra v0.26.1
[INFO] [stderr]   Downloaded libc v0.2.93
[INFO] [stderr]   Downloaded paste v1.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1fbb4c67f34eb34d333ff9b05272524b2df909e1c78911f68c79e1c185faf80
[INFO] running `Command { std: "docker" "start" "-a" "e1fbb4c67f34eb34d333ff9b05272524b2df909e1c78911f68c79e1c185faf80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1fbb4c67f34eb34d333ff9b05272524b2df909e1c78911f68c79e1c185faf80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1fbb4c67f34eb34d333ff9b05272524b2df909e1c78911f68c79e1c185faf80", kill_on_drop: false }`
[INFO] [stdout] e1fbb4c67f34eb34d333ff9b05272524b2df909e1c78911f68c79e1c185faf80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d99ce053f709322d749cdc83601196ae180aba3c38133528ebd60864ea0f357d
[INFO] running `Command { std: "docker" "start" "-a" "d99ce053f709322d749cdc83601196ae180aba3c38133528ebd60864ea0f357d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking matrixmultiply v0.3.1
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking lock_api v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking simplelog v0.10.0
[INFO] [stderr]    Compiling serial_test_derive v0.5.1
[INFO] [stderr]     Checking serial_test v0.5.1
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking simba v0.4.0
[INFO] [stderr]     Checking nalgebra v0.26.1
[INFO] [stderr]     Checking rustool v0.3.20 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.88s
[INFO] running `Command { std: "docker" "inspect" "d99ce053f709322d749cdc83601196ae180aba3c38133528ebd60864ea0f357d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d99ce053f709322d749cdc83601196ae180aba3c38133528ebd60864ea0f357d", kill_on_drop: false }`
[INFO] [stdout] d99ce053f709322d749cdc83601196ae180aba3c38133528ebd60864ea0f357d