[INFO] fetching crate dns-bench 0.1.3...
[INFO] checking dns-bench-0.1.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate dns-bench 0.1.3 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate dns-bench 0.1.3 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 dns-bench 0.1.3
[INFO] finished tweaking crates.io crate dns-bench 0.1.3
[INFO] tweaked toml for crates.io crate dns-bench 0.1.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate dns-bench 0.1.3 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lru-cache v0.1.2
[INFO] [stderr]   Downloaded match_cfg v0.1.0
[INFO] [stderr]   Downloaded hostname v0.3.1
[INFO] [stderr]   Downloaded tracing-attributes v0.1.26
[INFO] [stderr]   Downloaded resolv-conf v0.7.0
[INFO] [stderr]   Downloaded data-encoding v2.4.0
[INFO] [stderr]   Downloaded anstyle v1.0.3
[INFO] [stderr]   Downloaded tabled_derive v0.6.0
[INFO] [stderr]   Downloaded anstyle-wincon v3.0.0
[INFO] [stderr]   Downloaded anstream v0.6.1
[INFO] [stderr]   Downloaded bytecount v0.6.3
[INFO] [stderr]   Downloaded indicatif v0.17.7
[INFO] [stderr]   Downloaded trust-dns-proto v0.23.2
[INFO] [stderr]   Downloaded papergrid v0.10.0
[INFO] [stderr]   Downloaded tabled v0.14.0
[INFO] [stderr]   Downloaded ipconfig v0.3.2
[INFO] [stderr]   Downloaded trust-dns-resolver v0.23.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] df82dcd314a2a266b836dbdeee8ba8b4fc20f1d8fa91f724c74f9ef6e6b7d563
[INFO] running `Command { std: "docker" "start" "-a" "df82dcd314a2a266b836dbdeee8ba8b4fc20f1d8fa91f724c74f9ef6e6b7d563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df82dcd314a2a266b836dbdeee8ba8b4fc20f1d8fa91f724c74f9ef6e6b7d563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df82dcd314a2a266b836dbdeee8ba8b4fc20f1d8fa91f724c74f9ef6e6b7d563", kill_on_drop: false }`
[INFO] [stdout] df82dcd314a2a266b836dbdeee8ba8b4fc20f1d8fa91f724c74f9ef6e6b7d563
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 67270dd0c63d1aa18f7e2f45365084d4b3c4f3c475b3de48dcc342d4a8a5d720
[INFO] running `Command { std: "docker" "start" "-a" "67270dd0c63d1aa18f7e2f45365084d4b3c4f3c475b3de48dcc342d4a8a5d720", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]    Compiling async-trait v0.1.73
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking socket2 v0.5.4
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle v1.0.3
[INFO] [stderr]    Compiling portable-atomic v1.4.3
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking bytecount v0.6.3
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]     Checking data-encoding v2.4.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking anstream v0.6.1
[INFO] [stderr]     Checking ipnet v2.8.0
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking papergrid v0.10.0
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking clap_builder v4.4.7
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking indicatif v0.17.7
[INFO] [stderr]    Compiling tabled_derive v0.6.0
[INFO] [stderr]     Checking tabled v0.14.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]    Compiling enum-as-inner v0.6.0
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking trust-dns-proto v0.23.2
[INFO] [stderr]     Checking clap v4.4.7
[INFO] [stderr]     Checking trust-dns-resolver v0.23.2
[INFO] [stderr]     Checking dns-bench v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::convert::From;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::convert::From;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined 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 19.83s
[INFO] running `Command { std: "docker" "inspect" "67270dd0c63d1aa18f7e2f45365084d4b3c4f3c475b3de48dcc342d4a8a5d720", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67270dd0c63d1aa18f7e2f45365084d4b3c4f3c475b3de48dcc342d4a8a5d720", kill_on_drop: false }`
[INFO] [stdout] 67270dd0c63d1aa18f7e2f45365084d4b3c4f3c475b3de48dcc342d4a8a5d720
[INFO] checking dns-bench-0.1.3 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate dns-bench 0.1.3 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate dns-bench 0.1.3 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 crates.io crate dns-bench 0.1.3
[INFO] finished tweaking crates.io crate dns-bench 0.1.3
[INFO] tweaked toml for crates.io crate dns-bench 0.1.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate dns-bench 0.1.3 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a96b9d91467703bc9787c38b2577c7b57f63df8d94930279feb1047cb5ef5e80
[INFO] running `Command { std: "docker" "start" "-a" "a96b9d91467703bc9787c38b2577c7b57f63df8d94930279feb1047cb5ef5e80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a96b9d91467703bc9787c38b2577c7b57f63df8d94930279feb1047cb5ef5e80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a96b9d91467703bc9787c38b2577c7b57f63df8d94930279feb1047cb5ef5e80", kill_on_drop: false }`
[INFO] [stdout] a96b9d91467703bc9787c38b2577c7b57f63df8d94930279feb1047cb5ef5e80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 7cd81e3831343efacf6d5d6923e2f6d663b0cccd30c1237d8b7b7b816cae4ce4
[INFO] running `Command { std: "docker" "start" "-a" "7cd81e3831343efacf6d5d6923e2f6d663b0cccd30c1237d8b7b7b816cae4ce4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]    Compiling async-trait v0.1.73
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking socket2 v0.5.4
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]    Compiling portable-atomic v1.4.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking anstyle v1.0.3
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking data-encoding v2.4.0
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking ipnet v2.8.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking bytecount v0.6.3
[INFO] [stderr]     Checking anstream v0.6.1
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking papergrid v0.10.0
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking clap_builder v4.4.7
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking indicatif v0.17.7
[INFO] [stderr]    Compiling tabled_derive v0.6.0
[INFO] [stderr]     Checking tabled v0.14.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]    Compiling enum-as-inner v0.6.0
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking trust-dns-proto v0.23.2
[INFO] [stderr]     Checking clap v4.4.7
[INFO] [stderr]     Checking trust-dns-resolver v0.23.2
[INFO] [stderr]     Checking dns-bench v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::convert::From;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::convert::From;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined 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 21.44s
[INFO] running `Command { std: "docker" "inspect" "7cd81e3831343efacf6d5d6923e2f6d663b0cccd30c1237d8b7b7b816cae4ce4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cd81e3831343efacf6d5d6923e2f6d663b0cccd30c1237d8b7b7b816cae4ce4", kill_on_drop: false }`
[INFO] [stdout] 7cd81e3831343efacf6d5d6923e2f6d663b0cccd30c1237d8b7b7b816cae4ce4