[INFO] updating cached repository https://github.com/vivlim/rust-gallery-generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cc35acc56b7f2617e61b5c6743968c547b3e910c
[INFO] testing vivlim/rust-gallery-generator against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvivlim%2Frust-gallery-generator" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vivlim/rust-gallery-generator on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vivlim/rust-gallery-generator
[INFO] finished tweaking git repo https://github.com/vivlim/rust-gallery-generator
[INFO] tweaked toml for git repo https://github.com/vivlim/rust-gallery-generator written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/vivlim/rust-gallery-generator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b03f60e0b01dc22b675a5deaa775887bef32f71bed4e288e898959a916dc7064
[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" "b03f60e0b01dc22b675a5deaa775887bef32f71bed4e288e898959a916dc7064", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b03f60e0b01dc22b675a5deaa775887bef32f71bed4e288e898959a916dc7064", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b03f60e0b01dc22b675a5deaa775887bef32f71bed4e288e898959a916dc7064", kill_on_drop: false }`
[INFO] [stdout] b03f60e0b01dc22b675a5deaa775887bef32f71bed4e288e898959a916dc7064
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62db883287ec119bc273cd667d66cb68779449c68700808a897c2e8d953a8b0b
[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" "62db883287ec119bc273cd667d66cb68779449c68700808a897c2e8d953a8b0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling safemem v0.3.0
[INFO] [stderr]    Compiling md5 v0.3.8
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling unicase v2.2.0
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling nom v4.0.0
[INFO] [stderr]    Compiling mime v0.3.12
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling rsass v0.9.4
[INFO] [stderr]    Compiling ructe v0.4.6
[INFO] [stderr]    Compiling gallery v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Write`, `self`
[INFO] [stdout]  --> src/handlers.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, Cursor};
[INFO] [stdout]   |               ^^^^        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/main.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{self, Write};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/gallery-6fe668f47407e877/out/templates/template_swf.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn swf(out: &mut Write, file: &File)
[INFO] [stdout]   |                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/gallery-6fe668f47407e877/out/templates/template_page_base.rs:8:28
[INFO] [stdout]   |
[INFO] [stdout] 8 | where Content: FnOnce(&mut Write) -> io::Result<()>{
[INFO] [stdout]   |                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/gallery-6fe668f47407e877/out/templates/template_page_base.rs:6:37
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn page_base<Content>(out: &mut Write, title: &str, content: Content)
[INFO] [stdout]   |                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/gallery-6fe668f47407e877/out/templates/template_fallback.rs:8:27
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn fallback(out: &mut Write, file: &File)
[INFO] [stdout]   |                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/gallery-6fe668f47407e877/out/templates/template_index.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn index(out: &mut Write, content_dir: &str, output_dir: &str, files: &Vec<RenderedFile>)
[INFO] [stdout]   |                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/gallery-6fe668f47407e877/out/templates.rs:25:33
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn to_html(&self, out: &mut Write) -> io::Result<()>;
[INFO] [stdout]    |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/gallery-6fe668f47407e877/out/templates.rs:34:33
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn to_html(&self, out: &mut Write) -> io::Result<()> {
[INFO] [stdout]    |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/gallery-6fe668f47407e877/out/templates.rs:40:33
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn to_html(&self, out: &mut Write) -> io::Result<()> {
[INFO] [stdout]    |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/handlers.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let result = match file.extension.as_ref() {
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content_dir`
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/gallery-6fe668f47407e877/out/templates/template_index.rs:8:31
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn index(out: &mut Write, content_dir: &str, output_dir: &str, files: &Vec<RenderedFile>)
[INFO] [stdout]   |                               ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content_dir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     create_dir_all(output_dir);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     templates::index(&mut out_file, "input", "output", &handled_files);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         out_file.write_all(handled_file.output.as_bytes());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/handlers.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     output.read_to_string(&mut output_string);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.40s
[INFO] running `Command { std: "docker" "inspect" "62db883287ec119bc273cd667d66cb68779449c68700808a897c2e8d953a8b0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62db883287ec119bc273cd667d66cb68779449c68700808a897c2e8d953a8b0b", kill_on_drop: false }`
[INFO] [stdout] 62db883287ec119bc273cd667d66cb68779449c68700808a897c2e8d953a8b0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 659c72600be58fef71107c14a53af6e018fdec1f00246909204ef55918be5fef
[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" "659c72600be58fef71107c14a53af6e018fdec1f00246909204ef55918be5fef", kill_on_drop: false }`
[INFO] [stderr]    Compiling gallery v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Write`, `self`
[INFO] [stdout]  --> src/handlers.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read, Write, Cursor};
[INFO] [stdout]   |               ^^^^        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/main.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{self, Write};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/gallery-6fe668f47407e877/out/templates/template_swf.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn swf(out: &mut Write, file: &File)
[INFO] [stdout]   |                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/gallery-6fe668f47407e877/out/templates/template_page_base.rs:8:28
[INFO] [stdout]   |
[INFO] [stdout] 8 | where Content: FnOnce(&mut Write) -> io::Result<()>{
[INFO] [stdout]   |                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/gallery-6fe668f47407e877/out/templates/template_page_base.rs:6:37
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn page_base<Content>(out: &mut Write, title: &str, content: Content)
[INFO] [stdout]   |                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/gallery-6fe668f47407e877/out/templates/template_fallback.rs:8:27
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn fallback(out: &mut Write, file: &File)
[INFO] [stdout]   |                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/gallery-6fe668f47407e877/out/templates/template_index.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn index(out: &mut Write, content_dir: &str, output_dir: &str, files: &Vec<RenderedFile>)
[INFO] [stdout]   |                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/gallery-6fe668f47407e877/out/templates.rs:25:33
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn to_html(&self, out: &mut Write) -> io::Result<()>;
[INFO] [stdout]    |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/gallery-6fe668f47407e877/out/templates.rs:34:33
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn to_html(&self, out: &mut Write) -> io::Result<()> {
[INFO] [stdout]    |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/gallery-6fe668f47407e877/out/templates.rs:40:33
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn to_html(&self, out: &mut Write) -> io::Result<()> {
[INFO] [stdout]    |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/handlers.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let result = match file.extension.as_ref() {
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content_dir`
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/gallery-6fe668f47407e877/out/templates/template_index.rs:8:31
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn index(out: &mut Write, content_dir: &str, output_dir: &str, files: &Vec<RenderedFile>)
[INFO] [stdout]   |                               ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content_dir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     create_dir_all(output_dir);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     templates::index(&mut out_file, "input", "output", &handled_files);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         out_file.write_all(handled_file.output.as_bytes());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/handlers.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     output.read_to_string(&mut output_string);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "659c72600be58fef71107c14a53af6e018fdec1f00246909204ef55918be5fef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "659c72600be58fef71107c14a53af6e018fdec1f00246909204ef55918be5fef", kill_on_drop: false }`
[INFO] [stdout] 659c72600be58fef71107c14a53af6e018fdec1f00246909204ef55918be5fef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 04f1f51501b7f88ce9ede4d51631f50a219dac822b8f055b0aa6a87c7c342a0a
[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" "04f1f51501b7f88ce9ede4d51631f50a219dac822b8f055b0aa6a87c7c342a0a", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Write`, `self`
[INFO] [stderr]  --> src/handlers.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{self, Read, Write, Cursor};
[INFO] [stderr]   |               ^^^^        ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/main.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{self, Write};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> /opt/rustwide/target/debug/build/gallery-6fe668f47407e877/out/templates/template_swf.rs:8:22
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn swf(out: &mut Write, file: &File)
[INFO] [stderr]   |                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> /opt/rustwide/target/debug/build/gallery-6fe668f47407e877/out/templates/template_page_base.rs:8:28
[INFO] [stderr]   |
[INFO] [stderr] 8 | where Content: FnOnce(&mut Write) -> io::Result<()>{
[INFO] [stderr]   |                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> /opt/rustwide/target/debug/build/gallery-6fe668f47407e877/out/templates/template_page_base.rs:6:37
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn page_base<Content>(out: &mut Write, title: &str, content: Content)
[INFO] [stderr]   |                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> /opt/rustwide/target/debug/build/gallery-6fe668f47407e877/out/templates/template_fallback.rs:8:27
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn fallback(out: &mut Write, file: &File)
[INFO] [stderr]   |                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> /opt/rustwide/target/debug/build/gallery-6fe668f47407e877/out/templates/template_index.rs:8:24
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn index(out: &mut Write, content_dir: &str, output_dir: &str, files: &Vec<RenderedFile>)
[INFO] [stderr]   |                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/gallery-6fe668f47407e877/out/templates.rs:25:33
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn to_html(&self, out: &mut Write) -> io::Result<()>;
[INFO] [stderr]    |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/gallery-6fe668f47407e877/out/templates.rs:34:33
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn to_html(&self, out: &mut Write) -> io::Result<()> {
[INFO] [stderr]    |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/gallery-6fe668f47407e877/out/templates.rs:40:33
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn to_html(&self, out: &mut Write) -> io::Result<()> {
[INFO] [stderr]    |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]   --> src/handlers.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let result = match file.extension.as_ref() {
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `content_dir`
[INFO] [stderr]  --> /opt/rustwide/target/debug/build/gallery-6fe668f47407e877/out/templates/template_index.rs:8:31
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn index(out: &mut Write, content_dir: &str, output_dir: &str, files: &Vec<RenderedFile>)
[INFO] [stderr]   |                               ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content_dir`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     create_dir_all(output_dir);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     templates::index(&mut out_file, "input", "output", &handled_files);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |         out_file.write_all(handled_file.output.as_bytes());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/handlers.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     output.read_to_string(&mut output_string);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gallery-42b516846401ef4c
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "04f1f51501b7f88ce9ede4d51631f50a219dac822b8f055b0aa6a87c7c342a0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04f1f51501b7f88ce9ede4d51631f50a219dac822b8f055b0aa6a87c7c342a0a", kill_on_drop: false }`
[INFO] [stdout] 04f1f51501b7f88ce9ede4d51631f50a219dac822b8f055b0aa6a87c7c342a0a