[INFO] fetching crate route_verification_parse 0.1.0...
[INFO] checking route_verification_parse-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate route_verification_parse 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate route_verification_parse 0.1.0 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 crates.io crate route_verification_parse 0.1.0
[INFO] finished tweaking crates.io crate route_verification_parse 0.1.0
[INFO] tweaked toml for crates.io crate route_verification_parse 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--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]      Locking 52 packages
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding route_verification_ir v0.1.1 (latest: v0.2.0)
[INFO] [stderr]       Adding route_verification_lex v0.1.0 (latest: v0.2.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded lazy-regex-proc_macros v3.1.0
[INFO] [stderr]   Downloaded route_verification_io v0.1.0
[INFO] [stderr]   Downloaded lazy-regex v3.1.0
[INFO] [stderr]   Downloaded route_verification_shared_struct v0.1.1
[INFO] [stderr]   Downloaded route_verification_common_regex v0.1.0
[INFO] [stderr]   Downloaded route_verification_ir v0.1.1
[INFO] [stderr]   Downloaded route_verification_lex v0.1.0
[INFO] [stderr]   Downloaded net-literals v0.2.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94e151fb6d494be8fb5ceaf88ad44e13ba00af34fa66b9f29ca7e2f2846d30cd
[INFO] running `Command { std: "docker" "start" "-a" "94e151fb6d494be8fb5ceaf88ad44e13ba00af34fa66b9f29ca7e2f2846d30cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94e151fb6d494be8fb5ceaf88ad44e13ba00af34fa66b9f29ca7e2f2846d30cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94e151fb6d494be8fb5ceaf88ad44e13ba00af34fa66b9f29ca7e2f2846d30cd", kill_on_drop: false }`
[INFO] [stdout] 94e151fb6d494be8fb5ceaf88ad44e13ba00af34fa66b9f29ca7e2f2846d30cd
[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" "-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] bc29a6598888db6b3325c429da9e6bcbfc76b3cbb6348b06e9defb5ae7a97a41
[INFO] running `Command { std: "docker" "start" "-a" "bc29a6598888db6b3325c429da9e6bcbfc76b3cbb6348b06e9defb5ae7a97a41", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.32
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling net-literals v0.2.0
[INFO] [stderr]     Checking const_format v0.2.32
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]    Compiling lazy-regex-proc_macros v3.1.0
[INFO] [stderr]     Checking lazy-regex v3.1.0
[INFO] [stderr]     Checking route_verification_common_regex v0.1.0
[INFO] [stderr]     Checking route_verification_shared_struct v0.1.1
[INFO] [stderr]     Checking ipnet v2.9.0
[INFO] [stderr]     Checking route_verification_lex v0.1.0
[INFO] [stderr]     Checking route_verification_io v0.1.0
[INFO] [stderr]     Checking route_verification_ir v0.1.1
[INFO] [stderr]     Checking route_verification_parse v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Counts` is imported redundantly
[INFO] [stdout]  --> src/mp_import.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ::lex::{mp_import, Counts};
[INFO] [stdout]   |                        ^^^^^^
[INFO] [stdout] 2 |
[INFO] [stdout] 3 | use super::*;
[INFO] [stdout]   |     -------- the item `Counts` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Counts` is imported redundantly
[INFO] [stdout]  --> src/mp_import.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ::lex::{mp_import, Counts};
[INFO] [stdout]   |                        ^^^^^^
[INFO] [stdout] 2 |
[INFO] [stdout] 3 | use super::*;
[INFO] [stdout]   |     -------- the item `Counts` is already imported here
[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 18.65s
[INFO] running `Command { std: "docker" "inspect" "bc29a6598888db6b3325c429da9e6bcbfc76b3cbb6348b06e9defb5ae7a97a41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc29a6598888db6b3325c429da9e6bcbfc76b3cbb6348b06e9defb5ae7a97a41", kill_on_drop: false }`
[INFO] [stdout] bc29a6598888db6b3325c429da9e6bcbfc76b3cbb6348b06e9defb5ae7a97a41