[INFO] cloning repository https://github.com/spicy-cupcake777/mozgus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/spicy-cupcake777/mozgus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspicy-cupcake777%2Fmozgus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspicy-cupcake777%2Fmozgus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed1902b72eb38a9263223af9844ea2c0527e2210
[INFO] checking spicy-cupcake777/mozgus against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspicy-cupcake777%2Fmozgus" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/spicy-cupcake777/mozgus on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/spicy-cupcake777/mozgus
[INFO] finished tweaking git repo https://github.com/spicy-cupcake777/mozgus
[INFO] tweaked toml for git repo https://github.com/spicy-cupcake777/mozgus written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/spicy-cupcake777/mozgus 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded command_attr v0.3.7
[INFO] [stderr]   Downloaded reqwest v0.11.7
[INFO] [stderr]   Downloaded rustls v0.20.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9df349cca4b2244caae516bb9c92a1878cc8009cefdb9a3921247dc03ba2a20
[INFO] running `Command { std: "docker" "start" "-a" "a9df349cca4b2244caae516bb9c92a1878cc8009cefdb9a3921247dc03ba2a20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9df349cca4b2244caae516bb9c92a1878cc8009cefdb9a3921247dc03ba2a20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9df349cca4b2244caae516bb9c92a1878cc8009cefdb9a3921247dc03ba2a20", kill_on_drop: false }`
[INFO] [stdout] a9df349cca4b2244caae516bb9c92a1878cc8009cefdb9a3921247dc03ba2a20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37dfb8f8a9cc7a44b371a36e3bd7989d5b55033dd569e1e3d82ee079ac9006ab
[INFO] running `Command { std: "docker" "start" "-a" "37dfb8f8a9cc7a44b371a36e3bd7989d5b55033dd569e1e3d82ee079ac9006ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]     Checking futures-sink v0.3.19
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.19
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling serde_derive v1.0.132
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]    Compiling serde v1.0.132
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling serde_json v1.0.73
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling encoding_rs v0.8.30
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rustls-pemfile v0.2.1
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]    Compiling serenity v0.10.9
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking uwl v0.6.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking typemap_rev v0.1.5
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]     Checking futures v0.3.19
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking rustls v0.20.2
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]     Checking webpki-roots v0.20.0
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling command_attr v0.3.7
[INFO] [stderr]     Checking tokio v1.15.0
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-rustls v0.23.2
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]     Checking async-tungstenite v0.11.0
[INFO] [stderr]     Checking h2 v0.3.9
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking hyper v0.14.16
[INFO] [stderr]     Checking hyper-rustls v0.23.0
[INFO] [stderr]     Checking reqwest v0.11.7
[INFO] [stderr]     Checking mozgus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/csreader.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{Read, Write, Error};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/cache.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/csreader.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{Read, Write, Error};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/cache.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `success` is never read
[INFO] [stdout]   --> src/command.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let mut success = false;
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `success` is never read
[INFO] [stdout]   --> src/command.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let mut success = false;
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/cache.rs:17:21
[INFO] [stdout]    |
[INFO] [stdout] 17 |         for (index, s) in self.sheets.iter().enumerate() {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/cache.rs:17:21
[INFO] [stdout]    |
[INFO] [stdout] 17 |         for (index, s) in self.sheets.iter().enumerate() {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/cache.rs:58:28
[INFO] [stdout]    |
[INFO] [stdout] 58 |         return if let Some(x) = self.get_sheet(name) {
[INFO] [stdout]    |                            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/cache.rs:58:28
[INFO] [stdout]    |
[INFO] [stdout] 58 |         return if let Some(x) = self.get_sheet(name) {
[INFO] [stdout]    |                            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]    --> src/cache.rs:173:17
[INFO] [stdout]     |
[INFO] [stdout] 173 |         let mut value = 0;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]    --> src/cache.rs:173:17
[INFO] [stdout]     |
[INFO] [stdout] 173 |         let mut value = 0;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.82s
[INFO] running `Command { std: "docker" "inspect" "37dfb8f8a9cc7a44b371a36e3bd7989d5b55033dd569e1e3d82ee079ac9006ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37dfb8f8a9cc7a44b371a36e3bd7989d5b55033dd569e1e3d82ee079ac9006ab", kill_on_drop: false }`
[INFO] [stdout] 37dfb8f8a9cc7a44b371a36e3bd7989d5b55033dd569e1e3d82ee079ac9006ab