[INFO] cloning repository https://github.com/calebzulawski/abi-helper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/calebzulawski/abi-helper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalebzulawski%2Fabi-helper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalebzulawski%2Fabi-helper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9cee7633d84658dca5dc5e6618e81645a9144a12
[INFO] checking calebzulawski/abi-helper against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalebzulawski%2Fabi-helper" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/calebzulawski/abi-helper on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/calebzulawski/abi-helper
[INFO] finished tweaking git repo https://github.com/calebzulawski/abi-helper
[INFO] tweaked toml for git repo https://github.com/calebzulawski/abi-helper written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/calebzulawski/abi-helper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eabbc6cacdb0f29fe86cec0b7f8733a444ed2c122170f7e89b6c1c738358c999
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "eabbc6cacdb0f29fe86cec0b7f8733a444ed2c122170f7e89b6c1c738358c999", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eabbc6cacdb0f29fe86cec0b7f8733a444ed2c122170f7e89b6c1c738358c999", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eabbc6cacdb0f29fe86cec0b7f8733a444ed2c122170f7e89b6c1c738358c999", kill_on_drop: false }`
[INFO] [stdout] eabbc6cacdb0f29fe86cec0b7f8733a444ed2c122170f7e89b6c1c738358c999
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0fe3dec63651f15b68967d2a60d281f3136cd6882546e1b5d2e3e04b999ffa6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a0fe3dec63651f15b68967d2a60d281f3136cd6882546e1b5d2e3e04b999ffa6", kill_on_drop: false }`
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking custom_error v1.3.0
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling scroll v0.9.2
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling scroll_derive v0.9.5
[INFO] [stderr]     Checking goblin v0.0.19
[INFO] [stderr]     Checking abi-helper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/abi_reader.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |             writeln!(f, "Exported:");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/abi_reader.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 writeln!(f, "\t{}", name);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/abi_reader.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |             writeln!(f, "Stripped:");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/abi_reader.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |                 writeln!(f, "\t{}", name);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/abi_reader.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |             writeln!(f, "Exported:");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/abi_reader.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 writeln!(f, "\t{}", name);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/abi_reader.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |             writeln!(f, "Stripped:");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/abi_reader.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |                 writeln!(f, "\t{}", name);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.65s
[INFO] running `Command { std: "docker" "inspect" "a0fe3dec63651f15b68967d2a60d281f3136cd6882546e1b5d2e3e04b999ffa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0fe3dec63651f15b68967d2a60d281f3136cd6882546e1b5d2e3e04b999ffa6", kill_on_drop: false }`
[INFO] [stdout] a0fe3dec63651f15b68967d2a60d281f3136cd6882546e1b5d2e3e04b999ffa6