[INFO] fetching crate picturs 0.0.0...
[INFO] checking picturs-0.0.0 against beta for pr-78714
[INFO] extracting crate picturs 0.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate picturs 0.0.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate picturs 0.0.0
[INFO] finished tweaking crates.io crate picturs 0.0.0
[INFO] tweaked toml for crates.io crate picturs 0.0.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate picturs 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a0371238a094d2ed28a7f5a6dfee00af40e1267bf9726bb87f07de1e834fa27
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5a0371238a094d2ed28a7f5a6dfee00af40e1267bf9726bb87f07de1e834fa27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a0371238a094d2ed28a7f5a6dfee00af40e1267bf9726bb87f07de1e834fa27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a0371238a094d2ed28a7f5a6dfee00af40e1267bf9726bb87f07de1e834fa27", kill_on_drop: false }`
[INFO] [stdout] 5a0371238a094d2ed28a7f5a6dfee00af40e1267bf9726bb87f07de1e834fa27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6813913f4e01677bed0f004cc11e8586451eb2227454e2fad343c7722fd8782b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6813913f4e01677bed0f004cc11e8586451eb2227454e2fad343c7722fd8782b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]     Checking deflate v0.8.4
[INFO] [stderr]     Checking png v0.16.3
[INFO] [stderr]     Checking icns v0.3.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.19
[INFO] [stderr]     Checking image v0.23.4
[INFO] [stderr]     Checking picturs v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/cli/cli.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/cli/cli.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `pictursError` should have an upper camel case name
[INFO] [stdout]  --> src/error/error.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct pictursError {
[INFO] [stdout]   |            ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `PictursError`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IconType`
[INFO] [stdout]  --> src/img/encode.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use icns::{IconFamily, IconType, Image};
[INFO] [stdout]   |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]   --> src/img/encode.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::error::Error;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `pictursError` should have an upper camel case name
[INFO] [stdout]  --> src/error/error.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct pictursError {
[INFO] [stdout]   |            ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `PictursError`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IconType`
[INFO] [stdout]  --> src/img/encode.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use icns::{IconFamily, IconType, Image};
[INFO] [stdout]   |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]   --> src/img/encode.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::error::Error;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Dimensions`
[INFO] [stdout]  --> src/img/dimensions.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Dimensions {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/img/dimensions.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 |   pub fn new(width: u32, height: u32) -> Self {
[INFO] [stdout]   |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Dimensions`
[INFO] [stdout]  --> src/img/dimensions.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Dimensions {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/img/dimensions.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 |   pub fn new(width: u32, height: u32) -> Self {
[INFO] [stdout]   |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.86s
[INFO] running `Command { std: "docker" "inspect" "6813913f4e01677bed0f004cc11e8586451eb2227454e2fad343c7722fd8782b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6813913f4e01677bed0f004cc11e8586451eb2227454e2fad343c7722fd8782b", kill_on_drop: false }`
[INFO] [stdout] 6813913f4e01677bed0f004cc11e8586451eb2227454e2fad343c7722fd8782b