[INFO] fetching crate rust-call 0.2.0...
[INFO] checking rust-call-0.2.0 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate rust-call 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rust-call 0.2.0 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/rust-toolchain
[INFO] started tweaking crates.io crate rust-call 0.2.0
[INFO] finished tweaking crates.io crate rust-call 0.2.0
[INFO] tweaked toml for crates.io crate rust-call 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate rust-call 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded config v0.11.0
[INFO] [stderr]   Downloaded cmd_lib_macros v1.0.10
[INFO] [stderr]   Downloaded cmd_lib v1.0.10
[INFO] [stderr]   Downloaded faccess v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8c3c2a41e6c776c95f780e4d8bf9c7359881179e146a02b4db89525704d4923
[INFO] running `Command { std: "docker" "start" "-a" "b8c3c2a41e6c776c95f780e4d8bf9c7359881179e146a02b4db89525704d4923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8c3c2a41e6c776c95f780e4d8bf9c7359881179e146a02b4db89525704d4923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8c3c2a41e6c776c95f780e4d8bf9c7359881179e146a02b4db89525704d4923", kill_on_drop: false }`
[INFO] [stdout] b8c3c2a41e6c776c95f780e4d8bf9c7359881179e146a02b4db89525704d4923
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05e5879261864a33ed45e61cefa70aa64bc9e9dcd0f5293b6d78280ab4fc55c6
[INFO] running `Command { std: "docker" "start" "-a" "05e5879261864a33ed45e61cefa70aa64bc9e9dcd0f5293b6d78280ab4fc55c6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling lexical-core v0.7.5
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]    Compiling anyhow v1.0.39
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking os_pipe v0.9.2
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking faccess v0.2.3
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking ignore v0.4.17
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]     Checking config v0.11.0
[INFO] [stderr]    Compiling cmd_lib_macros v1.0.10
[INFO] [stderr]     Checking cmd_lib v1.0.10
[INFO] [stderr]     Checking rust-call v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.53s
[INFO] running `Command { std: "docker" "inspect" "05e5879261864a33ed45e61cefa70aa64bc9e9dcd0f5293b6d78280ab4fc55c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05e5879261864a33ed45e61cefa70aa64bc9e9dcd0f5293b6d78280ab4fc55c6", kill_on_drop: false }`
[INFO] [stdout] 05e5879261864a33ed45e61cefa70aa64bc9e9dcd0f5293b6d78280ab4fc55c6