[INFO] cloning repository https://github.com/niquola/uberlog
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/niquola/uberlog" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniquola%2Fuberlog", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniquola%2Fuberlog'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0b50095b53e81e0d838ab126303b48e53cdcfdca
[INFO] checking niquola/uberlog against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniquola%2Fuberlog" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/niquola/uberlog 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/niquola/uberlog
[INFO] finished tweaking git repo https://github.com/niquola/uberlog
[INFO] tweaked toml for git repo https://github.com/niquola/uberlog written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/niquola/uberlog 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 itoa v0.4.2
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 133c4d83a0f8f4803eb0fa5699758b83f4cc620d1e44e472abdd0a2238987649
[INFO] running `Command { std: "docker" "start" "-a" "133c4d83a0f8f4803eb0fa5699758b83f4cc620d1e44e472abdd0a2238987649", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "133c4d83a0f8f4803eb0fa5699758b83f4cc620d1e44e472abdd0a2238987649", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "133c4d83a0f8f4803eb0fa5699758b83f4cc620d1e44e472abdd0a2238987649", kill_on_drop: false }`
[INFO] [stdout] 133c4d83a0f8f4803eb0fa5699758b83f4cc620d1e44e472abdd0a2238987649
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c8218bb510b10d7bffa4e495ded78cdc5d611251b049a4919d0a3d39a43eab52
[INFO] running `Command { std: "docker" "start" "-a" "c8218bb510b10d7bffa4e495ded78cdc5d611251b049a4919d0a3d39a43eab52", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]    Compiling typenum v1.9.0
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]    Compiling pkg-config v0.3.13
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]     Checking matches v0.1.6
[INFO] [stderr]     Checking unicode-normalization v0.1.5
[INFO] [stderr]     Checking byteorder v1.2.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]     Checking byte-tools v0.2.0
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[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]    Compiling curl-sys v0.1.35
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking streaming-iterator v0.1.4
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking url v1.7.1
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[INFO] [stderr]     Checking itoa v0.4.2
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking json v0.11.13
[INFO] [stderr]     Checking generic-array v0.8.3
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[INFO] [stderr]     Checking postgres-shared v0.4.0
[INFO] [stderr]     Checking postgres v0.15.1
[INFO] [stderr]     Checking postgres-binary-copy v0.5.0
[INFO] [stderr]     Checking serde_json v1.0.26
[INFO] [stderr]     Checking pgrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Read` is imported redundantly
[INFO] [stdout]   --> src/main.rs:18:40
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::io::prelude::*;
[INFO] [stdout]    |     ------------------- the item `Read` is already imported here
[INFO] [stdout] 18 | use std::io::{self, BufReader, Cursor, Read};
[INFO] [stdout]    |                                        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Read` is imported redundantly
[INFO] [stdout]   --> src/main.rs:18:40
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::io::prelude::*;
[INFO] [stdout]    |     ------------------- the item `Read` is already imported here
[INFO] [stdout] 18 | use std::io::{self, BufReader, Cursor, Read};
[INFO] [stdout]    |                                        ^^^^
[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 17.22s
[INFO] running `Command { std: "docker" "inspect" "c8218bb510b10d7bffa4e495ded78cdc5d611251b049a4919d0a3d39a43eab52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8218bb510b10d7bffa4e495ded78cdc5d611251b049a4919d0a3d39a43eab52", kill_on_drop: false }`
[INFO] [stdout] c8218bb510b10d7bffa4e495ded78cdc5d611251b049a4919d0a3d39a43eab52