[INFO] cloning repository https://github.com/hassan-mohagheghian/my-grrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hassan-mohagheghian/my-grrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhassan-mohagheghian%2Fmy-grrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhassan-mohagheghian%2Fmy-grrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f6dd9a24cd8ce2887ae67eef48b346775c6a0606
[INFO] checking hassan-mohagheghian/my-grrs against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhassan-mohagheghian%2Fmy-grrs" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hassan-mohagheghian/my-grrs 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/hassan-mohagheghian/my-grrs
[INFO] finished tweaking git repo https://github.com/hassan-mohagheghian/my-grrs
[INFO] tweaked toml for git repo https://github.com/hassan-mohagheghian/my-grrs written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/hassan-mohagheghian/my-grrs 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]  Downloading crates ...
[INFO] [stderr]   Downloaded clap v4.3.3
[INFO] [stderr]   Downloaded clap_builder v4.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 2f79f9f33d668a553281fea8fc2d8ee8733c601fbb7b88f5023c8e11795aaf70
[INFO] running `Command { std: "docker" "start" "-a" "2f79f9f33d668a553281fea8fc2d8ee8733c601fbb7b88f5023c8e11795aaf70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f79f9f33d668a553281fea8fc2d8ee8733c601fbb7b88f5023c8e11795aaf70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f79f9f33d668a553281fea8fc2d8ee8733c601fbb7b88f5023c8e11795aaf70", kill_on_drop: false }`
[INFO] [stdout] 2f79f9f33d668a553281fea8fc2d8ee8733c601fbb7b88f5023c8e11795aaf70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1baf232e88604dca2b32446a54e8f43621def364d0eef2f72413eb31b55dbcae
[INFO] running `Command { std: "docker" "start" "-a" "1baf232e88604dca2b32446a54e8f43621def364d0eef2f72413eb31b55dbcae", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling rustix v0.37.20
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.60
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]     Checking bstr v1.5.0
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking regex v1.8.4
[INFO] [stderr]     Checking globset v0.4.10
[INFO] [stderr]     Checking predicates v3.0.3
[INFO] [stderr]     Checking ignore v0.4.20
[INFO] [stderr]     Checking assert_cmd v2.0.11
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]    Compiling clap_derive v4.3.2
[INFO] [stderr]     Checking is-terminal v0.4.7
[INFO] [stderr]     Checking tempfile v3.6.0
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking clap_builder v4.3.3
[INFO] [stderr]     Checking assert_fs v1.0.13
[INFO] [stderr]     Checking clap v4.3.3
[INFO] [stderr]     Checking my-grrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `anyhow` is imported redundantly
[INFO] [stdout]  --> src/main.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use anyhow::{self, Context};
[INFO] [stdout]   |              ^^^^ the item `anyhow` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `anyhow` is imported redundantly
[INFO] [stdout]  --> src/main.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use anyhow::{self, Context};
[INFO] [stdout]   |              ^^^^ the item `anyhow` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.77s
[INFO] running `Command { std: "docker" "inspect" "1baf232e88604dca2b32446a54e8f43621def364d0eef2f72413eb31b55dbcae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1baf232e88604dca2b32446a54e8f43621def364d0eef2f72413eb31b55dbcae", kill_on_drop: false }`
[INFO] [stdout] 1baf232e88604dca2b32446a54e8f43621def364d0eef2f72413eb31b55dbcae
[INFO] checking hassan-mohagheghian/my-grrs against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhassan-mohagheghian%2Fmy-grrs" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hassan-mohagheghian/my-grrs 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/hassan-mohagheghian/my-grrs
[INFO] finished tweaking git repo https://github.com/hassan-mohagheghian/my-grrs
[INFO] tweaked toml for git repo https://github.com/hassan-mohagheghian/my-grrs written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/hassan-mohagheghian/my-grrs 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] cbd283cd9ce4a3bc7c5dba7367d281c920e8277906b098da8967eb7d8e045b8f
[INFO] running `Command { std: "docker" "start" "-a" "cbd283cd9ce4a3bc7c5dba7367d281c920e8277906b098da8967eb7d8e045b8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbd283cd9ce4a3bc7c5dba7367d281c920e8277906b098da8967eb7d8e045b8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbd283cd9ce4a3bc7c5dba7367d281c920e8277906b098da8967eb7d8e045b8f", kill_on_drop: false }`
[INFO] [stdout] cbd283cd9ce4a3bc7c5dba7367d281c920e8277906b098da8967eb7d8e045b8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 99d326fe0cea54f0f08f590655881b05ad9d8977bd1cfcde0227595cf713bd19
[INFO] running `Command { std: "docker" "start" "-a" "99d326fe0cea54f0f08f590655881b05ad9d8977bd1cfcde0227595cf713bd19", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling rustix v0.37.20
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.60
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]     Checking bstr v1.5.0
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking regex v1.8.4
[INFO] [stderr]     Checking globset v0.4.10
[INFO] [stderr]     Checking predicates v3.0.3
[INFO] [stderr]     Checking ignore v0.4.20
[INFO] [stderr]     Checking assert_cmd v2.0.11
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]     Checking is-terminal v0.4.7
[INFO] [stderr]     Checking tempfile v3.6.0
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking assert_fs v1.0.13
[INFO] [stderr]     Checking clap_builder v4.3.3
[INFO] [stderr]    Compiling clap_derive v4.3.2
[INFO] [stderr]     Checking clap v4.3.3
[INFO] [stderr]     Checking my-grrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `anyhow` is imported redundantly
[INFO] [stdout]  --> src/main.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use anyhow::{self, Context};
[INFO] [stdout]   |              ^^^^ the item `anyhow` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `anyhow` is imported redundantly
[INFO] [stdout]  --> src/main.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use anyhow::{self, Context};
[INFO] [stdout]   |              ^^^^ the item `anyhow` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.57s
[INFO] running `Command { std: "docker" "inspect" "99d326fe0cea54f0f08f590655881b05ad9d8977bd1cfcde0227595cf713bd19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99d326fe0cea54f0f08f590655881b05ad9d8977bd1cfcde0227595cf713bd19", kill_on_drop: false }`
[INFO] [stdout] 99d326fe0cea54f0f08f590655881b05ad9d8977bd1cfcde0227595cf713bd19