[INFO] cloning repository https://github.com/quickwit-inc/qbench
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/quickwit-inc/qbench" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquickwit-inc%2Fqbench", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquickwit-inc%2Fqbench'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4fa4213f7598a5debe7685ae4d0d3b61faa226bb
[INFO] checking quickwit-inc/qbench against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquickwit-inc%2Fqbench" "/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/quickwit-inc/qbench 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/quickwit-inc/qbench
[INFO] finished tweaking git repo https://github.com/quickwit-inc/qbench
[INFO] tweaked toml for git repo https://github.com/quickwit-inc/qbench written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/quickwit-inc/qbench 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]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.2
[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] 1768033e7d64f1dcf7f23f682d0c136b3c0a2700557cea1c08a968e2f8e35b40
[INFO] running `Command { std: "docker" "start" "-a" "1768033e7d64f1dcf7f23f682d0c136b3c0a2700557cea1c08a968e2f8e35b40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1768033e7d64f1dcf7f23f682d0c136b3c0a2700557cea1c08a968e2f8e35b40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1768033e7d64f1dcf7f23f682d0c136b3c0a2700557cea1c08a968e2f8e35b40", kill_on_drop: false }`
[INFO] [stdout] 1768033e7d64f1dcf7f23f682d0c136b3c0a2700557cea1c08a968e2f8e35b40
[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] 5a9154fb0b935afc3d55bdec43f0800bdd7f63cb009f15d1129183fb0568e278
[INFO] running `Command { std: "docker" "start" "-a" "5a9154fb0b935afc3d55bdec43f0800bdd7f63cb009f15d1129183fb0568e278", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling memchr v2.4.1
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[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]    Compiling futures-task v0.3.17
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[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking matches v0.1.9
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[INFO] [stderr]    Compiling serde v1.0.130
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[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling encoding_rs v0.8.29
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling anyhow v1.0.47
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
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[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]    Compiling heck v0.3.3
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[INFO] [stderr]     Checking parking_lot v0.11.2
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[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]    Compiling openssl-sys v0.9.71
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking tracing-subscriber v0.3.2
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.7
[INFO] [stderr]     Checking hyper v0.14.15
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.6
[INFO] [stderr]     Checking qbench v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `anyhow` is imported redundantly
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use anyhow;
[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:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use anyhow;
[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 25.00s
[INFO] running `Command { std: "docker" "inspect" "5a9154fb0b935afc3d55bdec43f0800bdd7f63cb009f15d1129183fb0568e278", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a9154fb0b935afc3d55bdec43f0800bdd7f63cb009f15d1129183fb0568e278", kill_on_drop: false }`
[INFO] [stdout] 5a9154fb0b935afc3d55bdec43f0800bdd7f63cb009f15d1129183fb0568e278
[INFO] checking quickwit-inc/qbench against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquickwit-inc%2Fqbench" "/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/quickwit-inc/qbench 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/quickwit-inc/qbench
[INFO] finished tweaking git repo https://github.com/quickwit-inc/qbench
[INFO] tweaked toml for git repo https://github.com/quickwit-inc/qbench written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/quickwit-inc/qbench 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] bc5e61c6f1795c144f047fb94a38d9703f1698074b9b8bc98599a627b0877519
[INFO] running `Command { std: "docker" "start" "-a" "bc5e61c6f1795c144f047fb94a38d9703f1698074b9b8bc98599a627b0877519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc5e61c6f1795c144f047fb94a38d9703f1698074b9b8bc98599a627b0877519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc5e61c6f1795c144f047fb94a38d9703f1698074b9b8bc98599a627b0877519", kill_on_drop: false }`
[INFO] [stdout] bc5e61c6f1795c144f047fb94a38d9703f1698074b9b8bc98599a627b0877519
[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] 27a938fd263a8bd8c413a5c29726970fe567c0f121409b85afd8eb7fa1d65ded
[INFO] running `Command { std: "docker" "start" "-a" "27a938fd263a8bd8c413a5c29726970fe567c0f121409b85afd8eb7fa1d65ded", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling pkg-config v0.3.22
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[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
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[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking http-body v0.4.4
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[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking tracing v0.1.29
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[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.6
[INFO] [stderr]     Checking qbench v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `anyhow` is imported redundantly
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use anyhow;
[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:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use anyhow;
[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 26.82s
[INFO] running `Command { std: "docker" "inspect" "27a938fd263a8bd8c413a5c29726970fe567c0f121409b85afd8eb7fa1d65ded", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27a938fd263a8bd8c413a5c29726970fe567c0f121409b85afd8eb7fa1d65ded", kill_on_drop: false }`
[INFO] [stdout] 27a938fd263a8bd8c413a5c29726970fe567c0f121409b85afd8eb7fa1d65ded