[INFO] cloning repository https://github.com/Ryanel/Tinycom
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ryanel/Tinycom" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyanel%2FTinycom", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyanel%2FTinycom'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6ed89e4f302f14ab2998199c222c38f98032010e
[INFO] testing Ryanel/Tinycom against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyanel%2FTinycom" "/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/Ryanel/Tinycom on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Ryanel/Tinycom
[INFO] finished tweaking git repo https://github.com/Ryanel/Tinycom
[INFO] tweaked toml for git repo https://github.com/Ryanel/Tinycom written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/Ryanel/Tinycom already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pest_derive v1.0.8
[INFO] [stderr]   Downloaded handlebars v0.32.4
[INFO] [stderr]   Downloaded criterion-stats v0.2.5
[INFO] [stderr]   Downloaded criterion-plot v0.2.5
[INFO] [stderr]   Downloaded itertools-num v0.1.2
[INFO] [stderr]   Downloaded pest v1.0.6
[INFO] [stderr]   Downloaded syn v0.15.12
[INFO] [stderr]   Downloaded criterion v0.2.5
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c942762fa92e6329dba0014fceb493678aca80a4b3ffcd82429651d5499d29fb
[INFO] running `Command { std: "docker" "start" "-a" "c942762fa92e6329dba0014fceb493678aca80a4b3ffcd82429651d5499d29fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c942762fa92e6329dba0014fceb493678aca80a4b3ffcd82429651d5499d29fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c942762fa92e6329dba0014fceb493678aca80a4b3ffcd82429651d5499d29fb", kill_on_drop: false }`
[INFO] [stdout] c942762fa92e6329dba0014fceb493678aca80a4b3ffcd82429651d5499d29fb
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0154938af94fe10e20cc0ffcf1f674bc1d20e9c292a2ad385721ab56dd8bdc52
[INFO] running `Command { std: "docker" "start" "-a" "0154938af94fe10e20cc0ffcf1f674bc1d20e9c292a2ad385721ab56dd8bdc52", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling num-bigint v0.2.0
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling term v0.5.1
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling simplelog v0.5.3
[INFO] [stderr]    Compiling enum-primitive-derive v0.1.2
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling tinycom-common v0.0.1 (/opt/rustwide/workdir/tinycom-common)
[INFO] [stderr]    Compiling tinycom-emulator v0.0.1 (/opt/rustwide/workdir/tinycom-emulator)
[INFO] [stdout] warning: unused variable: `ins`
[INFO] [stdout]   --> tinycom-emulator/src/cpu/cpu.rs:30:30
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn execute(mut self, ins : Instruction) -> u32 {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_ins`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tinycom-emulator/src/cpu/cpu.rs:30:20
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn execute(mut self, ins : Instruction) -> u32 {
[INFO] [stdout]    |                    ----^^^^
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tinycom v0.0.1 (/opt/rustwide/workdir/tinycom)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.70s
[INFO] running `Command { std: "docker" "inspect" "0154938af94fe10e20cc0ffcf1f674bc1d20e9c292a2ad385721ab56dd8bdc52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0154938af94fe10e20cc0ffcf1f674bc1d20e9c292a2ad385721ab56dd8bdc52", kill_on_drop: false }`
[INFO] [stdout] 0154938af94fe10e20cc0ffcf1f674bc1d20e9c292a2ad385721ab56dd8bdc52
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99d9345a9182c191908f9d3b0f30814fc16d764d9ba252ee9852fd048cdd0499
[INFO] running `Command { std: "docker" "start" "-a" "99d9345a9182c191908f9d3b0f30814fc16d764d9ba252ee9852fd048cdd0499", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling cast v0.2.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.1
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling thread-scoped v1.0.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling same-file v1.0.3
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling regex-syntax v0.6.2
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling itertools-num v0.1.2
[INFO] [stderr]    Compiling tinycom-emulator v0.0.1 (/opt/rustwide/workdir/tinycom-emulator)
[INFO] [stderr]    Compiling tinycom v0.0.1 (/opt/rustwide/workdir/tinycom)
[INFO] [stdout] warning: unused variable: `ins`
[INFO] [stdout]   --> tinycom-emulator/src/cpu/cpu.rs:30:30
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn execute(mut self, ins : Instruction) -> u32 {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_ins`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tinycom-emulator/src/cpu/cpu.rs:30:20
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn execute(mut self, ins : Instruction) -> u32 {
[INFO] [stdout]    |                    ----^^^^
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling walkdir v2.2.5
[INFO] [stdout] warning: unused variable: `ins`
[INFO] [stdout]   --> tinycom-emulator/src/cpu/cpu.rs:30:30
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn execute(mut self, ins : Instruction) -> u32 {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_ins`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tinycom-emulator/src/cpu/cpu.rs:30:20
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn execute(mut self, ins : Instruction) -> u32 {
[INFO] [stdout]    |                    ----^^^^
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling pest_derive v1.0.8
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling aho-corasick v0.6.8
[INFO] [stderr]    Compiling csv-core v0.1.4
[INFO] [stderr]    Compiling criterion-plot v0.2.5
[INFO] [stderr]    Compiling criterion-stats v0.2.5
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling syn v0.15.12
[INFO] [stderr]    Compiling serde_json v1.0.32
[INFO] [stderr]    Compiling csv v1.0.2
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling handlebars v0.32.4
[INFO] [stderr]    Compiling failure v0.1.2
[INFO] [stderr]    Compiling criterion v0.2.5
[INFO] [stderr]    Compiling tinycom-common v0.0.1 (/opt/rustwide/workdir/tinycom-common)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 33.11s
[INFO] running `Command { std: "docker" "inspect" "99d9345a9182c191908f9d3b0f30814fc16d764d9ba252ee9852fd048cdd0499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99d9345a9182c191908f9d3b0f30814fc16d764d9ba252ee9852fd048cdd0499", kill_on_drop: false }`
[INFO] [stdout] 99d9345a9182c191908f9d3b0f30814fc16d764d9ba252ee9852fd048cdd0499
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 515c5cc3bac8b13bd65e70291f3f04c4237b998b63d681ba9f1e8cb6bd9ef7a4
[INFO] running `Command { std: "docker" "start" "-a" "515c5cc3bac8b13bd65e70291f3f04c4237b998b63d681ba9f1e8cb6bd9ef7a4", 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] warning: unused variable: `ins`
[INFO] [stderr]   --> tinycom-emulator/src/cpu/cpu.rs:30:30
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn execute(mut self, ins : Instruction) -> u32 {
[INFO] [stderr]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_ins`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tinycom-emulator/src/cpu/cpu.rs:30:20
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn execute(mut self, ins : Instruction) -> u32 {
[INFO] [stderr]    |                    ----^^^^
[INFO] [stderr]    |                    |
[INFO] [stderr]    |                    help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ins`
[INFO] [stderr]   --> tinycom-emulator/src/cpu/cpu.rs:30:30
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn execute(mut self, ins : Instruction) -> u32 {
[INFO] [stderr]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_ins`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tinycom-emulator/src/cpu/cpu.rs:30:20
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn execute(mut self, ins : Instruction) -> u32 {
[INFO] [stderr]    |                    ----^^^^
[INFO] [stderr]    |                    |
[INFO] [stderr]    |                    help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tinycom-7c206582eb19a8a7)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tinycom_common-ca8fa83b40745b14)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tinycom_emulator-e9481d6d2e3cdfab)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    Doc-tests tinycom-emulator
[INFO] [stdout] 
[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] [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] [stderr]    Doc-tests tinycom-common
[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] [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" "515c5cc3bac8b13bd65e70291f3f04c4237b998b63d681ba9f1e8cb6bd9ef7a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "515c5cc3bac8b13bd65e70291f3f04c4237b998b63d681ba9f1e8cb6bd9ef7a4", kill_on_drop: false }`
[INFO] [stdout] 515c5cc3bac8b13bd65e70291f3f04c4237b998b63d681ba9f1e8cb6bd9ef7a4