[INFO] cloning repository https://github.com/quansitech/composer_mirror
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/quansitech/composer_mirror" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquansitech%2Fcomposer_mirror", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquansitech%2Fcomposer_mirror'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7ba2f7c9ebbf41ce6751d21e07e06d30c922dea7
[INFO] checking quansitech/composer_mirror against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquansitech%2Fcomposer_mirror" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/quansitech/composer_mirror 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/quansitech/composer_mirror
[INFO] finished tweaking git repo https://github.com/quansitech/composer_mirror
[INFO] tweaked toml for git repo https://github.com/quansitech/composer_mirror written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/quansitech/composer_mirror 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]     Updating crates.io index
[INFO] [stderr]      Locking 1 package
[INFO] [stderr]     Updating composer_mirror v0.2.0 (/workspace/builds/worker-2-tc1/source) -> v0.4.0
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded qiniu-sdk v0.2.3
[INFO] [stderr]   Downloaded assert-impl v0.1.3
[INFO] [stderr]   Downloaded qiniu-credential v0.2.3
[INFO] [stderr]   Downloaded qiniu-ureq v0.2.3
[INFO] [stderr]   Downloaded qiniu-http v0.2.3
[INFO] [stderr]   Downloaded url-escape v0.1.1
[INFO] [stderr]   Downloaded qiniu-objects-manager v0.2.3
[INFO] [stderr]   Downloaded qiniu-isahc v0.2.3
[INFO] [stderr]   Downloaded qiniu-reqwest v0.2.3
[INFO] [stderr]   Downloaded qiniu-download-manager v0.2.3
[INFO] [stderr]   Downloaded async-once-cell v0.3.1
[INFO] [stderr]   Downloaded qiniu-etag v0.2.3
[INFO] [stderr]   Downloaded qiniu-http-client v0.2.3
[INFO] [stderr]   Downloaded qiniu-apis v0.2.3
[INFO] [stderr]   Downloaded qiniu-upload-manager v0.2.3
[INFO] [stderr]   Downloaded qiniu-upload-token v0.2.3
[INFO] [stderr]   Downloaded qiniu-utils v0.2.3
[INFO] [stderr]   Downloaded duplicate v0.2.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 574a88bdc4b70acc014148411525ea20d80d7c6ed81a12ff970dcff55f617b33
[INFO] running `Command { std: "docker" "start" "-a" "574a88bdc4b70acc014148411525ea20d80d7c6ed81a12ff970dcff55f617b33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "574a88bdc4b70acc014148411525ea20d80d7c6ed81a12ff970dcff55f617b33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "574a88bdc4b70acc014148411525ea20d80d7c6ed81a12ff970dcff55f617b33", kill_on_drop: false }`
[INFO] [stdout] 574a88bdc4b70acc014148411525ea20d80d7c6ed81a12ff970dcff55f617b33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9efc07c1d593e530e724e78f22ec0e734977a9a4bd2a342f7cace8d948af8e70
[INFO] running `Command { std: "docker" "start" "-a" "9efc07c1d593e530e724e78f22ec0e734977a9a4bd2a342f7cace8d948af8e70", kill_on_drop: false }`
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[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking futures-io v0.3.28
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[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling generic-array v0.14.7
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[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling syn v1.0.109
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[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]    Compiling syn v2.0.31
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[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling openssl-sys v0.9.93
[INFO] [stderr]     Checking rayon-core v1.11.0
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[INFO] [stderr]    Compiling native-tls v0.2.11
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[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling async-trait v0.1.73
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]     Checking async-global-executor v2.3.1
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[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking thiserror v1.0.48
[INFO] [stderr]    Compiling auto_impl v1.1.0
[INFO] [stderr]    Compiling dyn-clonable-impl v0.9.0
[INFO] [stderr]    Compiling smart-default v0.6.0
[INFO] [stderr]    Compiling duplicate v0.2.9
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking fs4 v0.6.6
[INFO] [stderr]     Checking regex v1.9.5
[INFO] [stderr]     Checking dyn-clonable v0.9.0
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[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking webpki-roots v0.23.1
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking axum-core v0.3.4
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking async-compression v0.4.2
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking ureq v2.7.1
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[INFO] [stderr]     Checking qiniu-utils v0.2.3
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_path_to_error v0.1.14
[INFO] [stderr]     Checking qiniu-credential v0.2.3
[INFO] [stderr]     Checking qiniu-ureq v0.2.3
[INFO] [stderr]     Checking qiniu-upload-token v0.2.3
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking hyper-tls v0.5.0
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[INFO] [stderr]     Checking qiniu-reqwest v0.2.3
[INFO] [stderr]     Checking qiniu-http-client v0.2.3
[INFO] [stderr]     Checking qiniu-apis v0.2.3
[INFO] [stderr]     Checking qiniu-upload-manager v0.2.3
[INFO] [stderr]     Checking qiniu-sdk v0.2.3
[INFO] [stderr]     Checking composer_mirror v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `vendor` and `package` are never read
[INFO] [stdout]  --> src/package.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Package<'a> {
[INFO] [stdout]   |            ------- fields in this struct
[INFO] [stdout] 2 |     pub vendor: &'a str,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 3 |     pub package: &'a str,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `vendor` and `package` are never read
[INFO] [stdout]  --> src/package.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Package<'a> {
[INFO] [stdout]   |            ------- fields in this struct
[INFO] [stdout] 2 |     pub vendor: &'a str,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 3 |     pub package: &'a str,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.36s
[INFO] running `Command { std: "docker" "inspect" "9efc07c1d593e530e724e78f22ec0e734977a9a4bd2a342f7cace8d948af8e70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9efc07c1d593e530e724e78f22ec0e734977a9a4bd2a342f7cace8d948af8e70", kill_on_drop: false }`
[INFO] [stdout] 9efc07c1d593e530e724e78f22ec0e734977a9a4bd2a342f7cace8d948af8e70