[INFO] cloning repository https://github.com/SatvikAgnihotri/Learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SatvikAgnihotri/Learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSatvikAgnihotri%2FLearning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSatvikAgnihotri%2FLearning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6cf7efed9d90bcb8f90ba3357b4e870ab7a88fc3
[INFO] checking SatvikAgnihotri/Learning against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSatvikAgnihotri%2FLearning" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SatvikAgnihotri/Learning 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/SatvikAgnihotri/Learning
[INFO] finished tweaking git repo https://github.com/SatvikAgnihotri/Learning
[INFO] tweaked toml for git repo https://github.com/SatvikAgnihotri/Learning written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/SatvikAgnihotri/Learning 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 ipnet v2.4.0
[INFO] [stderr]   Downloaded ucd-util v0.1.8
[INFO] [stderr]   Downloaded h2 v0.3.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 84f4499814776fdc41217bff149d835c0d6368b47b704986d067900792e96a99
[INFO] running `Command { std: "docker" "start" "-a" "84f4499814776fdc41217bff149d835c0d6368b47b704986d067900792e96a99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84f4499814776fdc41217bff149d835c0d6368b47b704986d067900792e96a99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84f4499814776fdc41217bff149d835c0d6368b47b704986d067900792e96a99", kill_on_drop: false }`
[INFO] [stdout] 84f4499814776fdc41217bff149d835c0d6368b47b704986d067900792e96a99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c56153ee190f8f0f9693af3d01d7a6ae12ee981a465aa3bb6d74a5d067cfd8eb
[INFO] running `Command { std: "docker" "start" "-a" "c56153ee190f8f0f9693af3d01d7a6ae12ee981a465aa3bb6d74a5d067cfd8eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]     Checking http v0.2.6
[INFO] [stderr]     Checking tracing-core v0.1.23
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]    Compiling httparse v1.6.0
[INFO] [stderr]     Checking tracing v0.1.32
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking futures-util v0.3.21
[INFO] [stderr]    Compiling encoding_rs v0.8.30
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking utf8-ranges v1.0.5
[INFO] [stderr]     Checking ipnet v2.4.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.12
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking hyper v0.14.17
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.10
[INFO] [stderr]     Checking finderrors v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `env`, `io`, `path`
[INFO] [stdout]  --> src/main.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{env, path, io};
[INFO] [stdout]   |           ^^^  ^^^^  ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathBuf`, `Path`
[INFO] [stdout]  --> src/main.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `string`
[INFO] [stdout]  --> src/main.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{fs, string};
[INFO] [stdout]   |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `env`, `io`, `path`
[INFO] [stdout]  --> src/main.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{env, path, io};
[INFO] [stdout]   |           ^^^  ^^^^  ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathBuf`, `Path`
[INFO] [stdout]  --> src/main.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `string`
[INFO] [stdout]  --> src/main.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{fs, string};
[INFO] [stdout]   |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.39s
[INFO] running `Command { std: "docker" "inspect" "c56153ee190f8f0f9693af3d01d7a6ae12ee981a465aa3bb6d74a5d067cfd8eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c56153ee190f8f0f9693af3d01d7a6ae12ee981a465aa3bb6d74a5d067cfd8eb", kill_on_drop: false }`
[INFO] [stdout] c56153ee190f8f0f9693af3d01d7a6ae12ee981a465aa3bb6d74a5d067cfd8eb