[INFO] cloning repository https://github.com/gefjon/selene
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gefjon/selene" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgefjon%2Fselene", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgefjon%2Fselene'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8eef9abe0a4702dce1b2ab297e1d7496948c8b54
[INFO] checking gefjon/selene against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgefjon%2Fselene" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gefjon/selene on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gefjon/selene
[INFO] finished tweaking git repo https://github.com/gefjon/selene
[INFO] tweaked toml for git repo https://github.com/gefjon/selene written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/gefjon/selene already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1556643a3fe574228b9331d471c4d69b846c3cf815cfa634ad7a8b35035c0ee
[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" "b1556643a3fe574228b9331d471c4d69b846c3cf815cfa634ad7a8b35035c0ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1556643a3fe574228b9331d471c4d69b846c3cf815cfa634ad7a8b35035c0ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1556643a3fe574228b9331d471c4d69b846c3cf815cfa634ad7a8b35035c0ee", kill_on_drop: false }`
[INFO] [stdout] b1556643a3fe574228b9331d471c4d69b846c3cf815cfa634ad7a8b35035c0ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c46c1bab9a95e1f4a5d39645d2fbe8edb590f67cc2730f9784b979eac3b4a25
[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" "1c46c1bab9a95e1f4a5d39645d2fbe8edb590f67cc2730f9784b979eac3b4a25", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling stackvector v1.0.6
[INFO] [stderr]    Compiling lexical-core v0.4.2
[INFO] [stderr]    Compiling nom v5.0.0
[INFO] [stderr]     Checking selene v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `TryInto`
[INFO] [stdout]  --> src/compile.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{convert::{TryInto, TryFrom}, ops};
[INFO] [stdout]   |                     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fxn`
[INFO] [stdout]  --> src/compile.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{lisp::{self, fxn}, err};
[INFO] [stdout]   |                          ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TryInto`
[INFO] [stdout]  --> src/compile.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{convert::{TryInto, TryFrom}, ops};
[INFO] [stdout]   |                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `list`
[INFO] [stdout]   --> src/compile.rs:34:34
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn compile_special_toplevel_form(list: &lisp::List) -> err::Result<()> {
[INFO] [stdout]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_list`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `list`
[INFO] [stdout]   --> src/compile.rs:34:34
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn compile_special_toplevel_form(list: &lisp::List) -> err::Result<()> {
[INFO] [stdout]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_list`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sign`
[INFO] [stdout]   --> src/read.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn sign(s: &str) -> Result<lisp::Fixnum> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decimal_fixnum`
[INFO] [stdout]   --> src/read.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn decimal_fixnum(s: &str) -> Result<lisp::Fixnum> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `signed_fixnum`
[INFO] [stdout]   --> src/read.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn signed_fixnum(s: &str) -> Result<lisp::Fixnum> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sign`
[INFO] [stdout]   --> src/read.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn sign(s: &str) -> Result<lisp::Fixnum> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decimal_fixnum`
[INFO] [stdout]   --> src/read.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn decimal_fixnum(s: &str) -> Result<lisp::Fixnum> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `signed_fixnum`
[INFO] [stdout]   --> src/read.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn signed_fixnum(s: &str) -> Result<lisp::Fixnum> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.60s
[INFO] running `Command { std: "docker" "inspect" "1c46c1bab9a95e1f4a5d39645d2fbe8edb590f67cc2730f9784b979eac3b4a25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c46c1bab9a95e1f4a5d39645d2fbe8edb590f67cc2730f9784b979eac3b4a25", kill_on_drop: false }`
[INFO] [stdout] 1c46c1bab9a95e1f4a5d39645d2fbe8edb590f67cc2730f9784b979eac3b4a25