[INFO] cloning repository https://github.com/cyber-litang/tenzin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cyber-litang/tenzin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyber-litang%2Ftenzin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyber-litang%2Ftenzin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c6965873f4838d8cf6aaf5954feb9d9badb11724
[INFO] checking cyber-litang/tenzin against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyber-litang%2Ftenzin" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cyber-litang/tenzin 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/cyber-litang/tenzin
[INFO] finished tweaking git repo https://github.com/cyber-litang/tenzin
[INFO] tweaked toml for git repo https://github.com/cyber-litang/tenzin written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cyber-litang/tenzin 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]  Downloading crates ...
[INFO] [stderr]   Downloaded charset v0.1.3
[INFO] [stderr]   Downloaded email-encoding v0.1.3
[INFO] [stderr]   Downloaded validator v0.16.0
[INFO] [stderr]   Downloaded askama_derive v0.11.2
[INFO] [stderr]   Downloaded askama v0.11.1
[INFO] [stderr]   Downloaded byte-pool v0.2.3
[INFO] [stderr]   Downloaded ouroboros v0.15.5
[INFO] [stderr]   Downloaded askama_shared v0.12.2
[INFO] [stderr]   Downloaded imap-proto v0.16.1
[INFO] [stderr]   Downloaded axum v0.5.16
[INFO] [stderr]   Downloaded openssl-sys v0.9.76
[INFO] [stderr]   Downloaded lettre v0.10.1
[INFO] [stderr]   Downloaded syn v1.0.101
[INFO] [stderr]   Downloaded ouroboros_macro v0.15.5
[INFO] [stderr]   Downloaded async-imap v0.6.0
[INFO] [stderr]   Downloaded async-native-tls v0.4.0
[INFO] [stderr]   Downloaded iana-time-zone v0.1.50
[INFO] [stderr]   Downloaded async-channel v1.7.1
[INFO] [stderr]   Downloaded stop-token v0.7.0
[INFO] [stderr]   Downloaded axum-core v0.2.8
[INFO] [stderr]   Downloaded base64-url v1.4.13
[INFO] [stderr]   Downloaded email_address v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 3ea0e63220dce0a615c986fd3a9611f5c3886706fda1a9e97d2f7d4841291081
[INFO] running `Command { std: "docker" "start" "-a" "3ea0e63220dce0a615c986fd3a9611f5c3886706fda1a9e97d2f7d4841291081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ea0e63220dce0a615c986fd3a9611f5c3886706fda1a9e97d2f7d4841291081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ea0e63220dce0a615c986fd3a9611f5c3886706fda1a9e97d2f7d4841291081", kill_on_drop: false }`
[INFO] [stdout] 3ea0e63220dce0a615c986fd3a9611f5c3886706fda1a9e97d2f7d4841291081
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e4c5e93292dc0b8c89a3d046d110249d8b2a558f5ad873afe7306bf4f4445c33
[INFO] running `Command { std: "docker" "start" "-a" "e4c5e93292dc0b8c89a3d046d110249d8b2a558f5ad873afe7306bf4f4445c33", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling futures-channel v0.3.24
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling futures-task v0.3.24
[INFO] [stderr]     Checking futures-sink v0.3.24
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]    Compiling openssl-sys v0.9.76
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]     Checking futures-io v0.3.24
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking tracing-core v0.1.29
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling openssl v0.10.42
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]    Compiling async-trait v0.1.57
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling crossbeam-queue v0.3.6
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking cache-padded v1.2.0
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking concurrent-queue v1.2.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling askama_escape v0.10.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking async-channel v1.7.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking idna v0.3.0
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[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking aliasable v0.1.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking humansize v1.1.1
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]    Compiling anyhow v1.0.65
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking http-range-header v0.3.0
[INFO] [stderr]     Checking iana-time-zone v0.1.50
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking byte-pool v0.2.3
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking chrono v0.4.22
[INFO] [stderr]     Checking time v0.3.14
[INFO] [stderr]     Checking stop-token v0.7.0
[INFO] [stderr]     Checking curve25519-dalek v3.2.1
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking tracing-subscriber v0.3.15
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking email-encoding v0.1.3
[INFO] [stderr]     Checking email_address v0.2.3
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking quoted_printable v0.4.5
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking matchit v0.5.0
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]     Checking sync_wrapper v0.1.1
[INFO] [stderr]     Checking imap-proto v0.16.1
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking charset v0.1.3
[INFO] [stderr]     Checking base64-url v1.4.13
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking urlencoding v2.1.2
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking tracing-appender v0.2.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling futures-macro v0.3.24
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.22
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]    Compiling ouroboros_macro v0.15.5
[INFO] [stderr]     Checking pin-project v1.0.12
[INFO] [stderr]     Checking tracing v0.1.36
[INFO] [stderr]     Checking ouroboros v0.15.5
[INFO] [stderr]     Checking futures-executor v0.3.24
[INFO] [stderr]     Checking axum-core v0.2.8
[INFO] [stderr]     Checking futures v0.3.24
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking async-native-tls v0.4.0
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking hyper v0.14.20
[INFO] [stderr]     Checking async-imap v0.6.0
[INFO] [stderr]     Checking lettre v0.10.1
[INFO] [stderr]     Checking tower-http v0.3.4
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking ed25519-zebra v3.0.0
[INFO] [stderr]     Checking askama_shared v0.12.2
[INFO] [stderr]     Checking axum v0.5.16
[INFO] [stderr]     Checking validator v0.16.0
[INFO] [stderr]    Compiling askama_derive v0.11.2
[INFO] [stderr]     Checking askama v0.11.1
[INFO] [stderr]     Checking tenzin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.77s
[INFO] running `Command { std: "docker" "inspect" "e4c5e93292dc0b8c89a3d046d110249d8b2a558f5ad873afe7306bf4f4445c33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4c5e93292dc0b8c89a3d046d110249d8b2a558f5ad873afe7306bf4f4445c33", kill_on_drop: false }`
[INFO] [stdout] e4c5e93292dc0b8c89a3d046d110249d8b2a558f5ad873afe7306bf4f4445c33