[INFO] cloning repository https://github.com/mrk-its/sim6502
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mrk-its/sim6502" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrk-its%2Fsim6502", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrk-its%2Fsim6502'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2e4d0f365a3618725ccd838af0bdb3e2089c449c
[INFO] checking mrk-its/sim6502 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrk-its%2Fsim6502" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mrk-its/sim6502 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mrk-its/sim6502
[INFO] finished tweaking git repo https://github.com/mrk-its/sim6502
[INFO] tweaked toml for git repo https://github.com/mrk-its/sim6502 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mrk-its/sim6502 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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]     Updating git repository `https://github.com/mrk-its/gdbstub_mos_arch`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded managed v0.8.0
[INFO] [stderr]   Downloaded emulator_6502 v1.1.0
[INFO] [stderr]   Downloaded gdbstub v0.6.3
[INFO] [stderr]   Downloaded goblin v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7da730c65443b64561d0f39d4cf9e9fdca0665c700d978c5e762aae66bf2cd5c
[INFO] running `Command { std: "docker" "start" "-a" "7da730c65443b64561d0f39d4cf9e9fdca0665c700d978c5e762aae66bf2cd5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7da730c65443b64561d0f39d4cf9e9fdca0665c700d978c5e762aae66bf2cd5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7da730c65443b64561d0f39d4cf9e9fdca0665c700d978c5e762aae66bf2cd5c", kill_on_drop: false }`
[INFO] [stdout] 7da730c65443b64561d0f39d4cf9e9fdca0665c700d978c5e762aae66bf2cd5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bee7e941d8d14ecdf6c29d1133e3f53ad1dd0379aaddc0b9f6678b548d93e87f
[INFO] running `Command { std: "docker" "start" "-a" "bee7e941d8d14ecdf6c29d1133e3f53ad1dd0379aaddc0b9f6678b548d93e87f", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking managed v0.8.0
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking emulator_6502 v1.1.0
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking gdbstub v0.6.3
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking gdbstub_mos_arch v0.1.0 (https://github.com/mrk-its/gdbstub_mos_arch#8f44e615)
[INFO] [stderr]    Compiling scroll_derive v0.11.0
[INFO] [stderr]     Checking scroll v0.11.0
[INFO] [stderr]     Checking goblin v0.6.0
[INFO] [stderr]     Checking sim6502 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `STB_GLOBAL`, `st_bind`
[INFO] [stdout]  --> src/emu.rs:5:24
[INFO] [stdout]   |
[INFO] [stdout] 5 | use goblin::elf::sym::{st_bind, STB_GLOBAL};
[INFO] [stdout]   |                        ^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `STB_GLOBAL`, `st_bind`
[INFO] [stdout]  --> src/emu.rs:5:24
[INFO] [stdout]   |
[INFO] [stdout] 5 | use goblin::elf::sym::{st_bind, STB_GLOBAL};
[INFO] [stdout]   |                        ^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `signal`
[INFO] [stdout]    --> src/gdb/mod.rs:107:26
[INFO] [stdout]     |
[INFO] [stdout] 107 |     fn resume(&mut self, signal: Option<Signal>) -> Result<(), Self::Error> {
[INFO] [stdout]     |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_signal`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `signal`
[INFO] [stdout]    --> src/gdb/mod.rs:107:26
[INFO] [stdout]     |
[INFO] [stdout] 107 |     fn resume(&mut self, signal: Option<Signal>) -> Result<(), Self::Error> {
[INFO] [stdout]     |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_signal`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `filename` is never read
[INFO] [stdout]   --> src/emu.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct InMemoryFile {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 26 |     pub filename: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `filename` is never read
[INFO] [stdout]   --> src/emu.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct InMemoryFile {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 26 |     pub filename: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.31s
[INFO] running `Command { std: "docker" "inspect" "bee7e941d8d14ecdf6c29d1133e3f53ad1dd0379aaddc0b9f6678b548d93e87f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bee7e941d8d14ecdf6c29d1133e3f53ad1dd0379aaddc0b9f6678b548d93e87f", kill_on_drop: false }`
[INFO] [stdout] bee7e941d8d14ecdf6c29d1133e3f53ad1dd0379aaddc0b9f6678b548d93e87f
[INFO] checking mrk-its/sim6502 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrk-its%2Fsim6502" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mrk-its/sim6502 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mrk-its/sim6502
[INFO] finished tweaking git repo https://github.com/mrk-its/sim6502
[INFO] tweaked toml for git repo https://github.com/mrk-its/sim6502 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mrk-its/sim6502 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc68b2fedee98241f51b96f6bf9e4f6e44f137c81786f6ef755b5f4b0915bae3
[INFO] running `Command { std: "docker" "start" "-a" "cc68b2fedee98241f51b96f6bf9e4f6e44f137c81786f6ef755b5f4b0915bae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc68b2fedee98241f51b96f6bf9e4f6e44f137c81786f6ef755b5f4b0915bae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc68b2fedee98241f51b96f6bf9e4f6e44f137c81786f6ef755b5f4b0915bae3", kill_on_drop: false }`
[INFO] [stdout] cc68b2fedee98241f51b96f6bf9e4f6e44f137c81786f6ef755b5f4b0915bae3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ece86a245f9aeec8e75caad15207b4e9808facca322932e2f487cab742d83d5
[INFO] running `Command { std: "docker" "start" "-a" "2ece86a245f9aeec8e75caad15207b4e9808facca322932e2f487cab742d83d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]     Checking managed v0.8.0
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking emulator_6502 v1.1.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]     Checking gdbstub v0.6.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking gdbstub_mos_arch v0.1.0 (https://github.com/mrk-its/gdbstub_mos_arch#8f44e615)
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling scroll_derive v0.11.0
[INFO] [stderr]     Checking scroll v0.11.0
[INFO] [stderr]     Checking goblin v0.6.0
[INFO] [stderr]     Checking sim6502 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `STB_GLOBAL`, `st_bind`
[INFO] [stdout]  --> src/emu.rs:5:24
[INFO] [stdout]   |
[INFO] [stdout] 5 | use goblin::elf::sym::{st_bind, STB_GLOBAL};
[INFO] [stdout]   |                        ^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `STB_GLOBAL`, `st_bind`
[INFO] [stdout]  --> src/emu.rs:5:24
[INFO] [stdout]   |
[INFO] [stdout] 5 | use goblin::elf::sym::{st_bind, STB_GLOBAL};
[INFO] [stdout]   |                        ^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `signal`
[INFO] [stdout]    --> src/gdb/mod.rs:107:26
[INFO] [stdout]     |
[INFO] [stdout] 107 |     fn resume(&mut self, signal: Option<Signal>) -> Result<(), Self::Error> {
[INFO] [stdout]     |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_signal`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `filename` is never read
[INFO] [stdout]   --> src/emu.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct InMemoryFile {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 26 |     pub filename: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `signal`
[INFO] [stdout]    --> src/gdb/mod.rs:107:26
[INFO] [stdout]     |
[INFO] [stdout] 107 |     fn resume(&mut self, signal: Option<Signal>) -> Result<(), Self::Error> {
[INFO] [stdout]     |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_signal`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `filename` is never read
[INFO] [stdout]   --> src/emu.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct InMemoryFile {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 26 |     pub filename: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.94s
[INFO] running `Command { std: "docker" "inspect" "2ece86a245f9aeec8e75caad15207b4e9808facca322932e2f487cab742d83d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ece86a245f9aeec8e75caad15207b4e9808facca322932e2f487cab742d83d5", kill_on_drop: false }`
[INFO] [stdout] 2ece86a245f9aeec8e75caad15207b4e9808facca322932e2f487cab742d83d5