[INFO] cloning repository https://github.com/uglyoldbob/disassembler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/uglyoldbob/disassembler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuglyoldbob%2Fdisassembler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuglyoldbob%2Fdisassembler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0d518564834b59d5b697b496acc5f2ed953fc58d
[INFO] building uglyoldbob/disassembler against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuglyoldbob%2Fdisassembler" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/uglyoldbob/disassembler on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/uglyoldbob/disassembler
[INFO] finished tweaking git repo https://github.com/uglyoldbob/disassembler
[INFO] tweaked toml for git repo https://github.com/uglyoldbob/disassembler written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/uglyoldbob/disassembler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded omnom v3.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b61eb2c6b7e635731bc86b19481e911e98343261ffc550e03b7494bf8b77766
[INFO] running `Command { std: "docker" "start" "-a" "0b61eb2c6b7e635731bc86b19481e911e98343261ffc550e03b7494bf8b77766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b61eb2c6b7e635731bc86b19481e911e98343261ffc550e03b7494bf8b77766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b61eb2c6b7e635731bc86b19481e911e98343261ffc550e03b7494bf8b77766", kill_on_drop: false }`
[INFO] [stdout] 0b61eb2c6b7e635731bc86b19481e911e98343261ffc550e03b7494bf8b77766
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37a3856400f416d3858246edbfe135cc179a9f1e47fa7984c704ddbdc774d511
[INFO] running `Command { std: "docker" "start" "-a" "37a3856400f416d3858246edbfe135cc179a9f1e47fa7984c704ddbdc774d511", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling miniz_oxide v0.5.3
[INFO] [stderr]    Compiling flate2 v1.0.24
[INFO] [stderr]    Compiling omnom v3.0.0
[INFO] [stderr]    Compiling object v0.29.0
[INFO] [stderr]    Compiling disassembler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/lib.rs:42:21
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 let i: u32 = self.data.read_le().ok()?;
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `address` is never read
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Disassembler {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     address: Address,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.57s
[INFO] running `Command { std: "docker" "inspect" "37a3856400f416d3858246edbfe135cc179a9f1e47fa7984c704ddbdc774d511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37a3856400f416d3858246edbfe135cc179a9f1e47fa7984c704ddbdc774d511", kill_on_drop: false }`
[INFO] [stdout] 37a3856400f416d3858246edbfe135cc179a9f1e47fa7984c704ddbdc774d511
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc42f6fccbdb2be50d6e30c83ebe88e9dc6cd6ea1b6ed2ebd7312677bb1f21ba
[INFO] running `Command { std: "docker" "start" "-a" "dc42f6fccbdb2be50d6e30c83ebe88e9dc6cd6ea1b6ed2ebd7312677bb1f21ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling disassembler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/lib.rs:42:21
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 let i: u32 = self.data.read_le().ok()?;
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `address` is never read
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Disassembler {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     address: Address,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/lib.rs:42:21
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 let i: u32 = self.data.read_le().ok()?;
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `address` is never read
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Disassembler {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     address: Address,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "dc42f6fccbdb2be50d6e30c83ebe88e9dc6cd6ea1b6ed2ebd7312677bb1f21ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc42f6fccbdb2be50d6e30c83ebe88e9dc6cd6ea1b6ed2ebd7312677bb1f21ba", kill_on_drop: false }`
[INFO] [stdout] dc42f6fccbdb2be50d6e30c83ebe88e9dc6cd6ea1b6ed2ebd7312677bb1f21ba