[INFO] updating cached repository https://github.com/jevankovich/scheme
[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] e63c01d41c286a1b887ce03984ca05f50d8f9d7d
[INFO] testing jevankovich/scheme against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjevankovich%2Fscheme" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jevankovich/scheme on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jevankovich/scheme
[INFO] finished tweaking git repo https://github.com/jevankovich/scheme
[INFO] tweaked toml for git repo https://github.com/jevankovich/scheme written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/jevankovich/scheme already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2043aacb5c5ba7d24b91fba65400803cc0d3ebf732bf5e4592a59365c365b7fb
[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" "2043aacb5c5ba7d24b91fba65400803cc0d3ebf732bf5e4592a59365c365b7fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2043aacb5c5ba7d24b91fba65400803cc0d3ebf732bf5e4592a59365c365b7fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2043aacb5c5ba7d24b91fba65400803cc0d3ebf732bf5e4592a59365c365b7fb", kill_on_drop: false }`
[INFO] [stdout] 2043aacb5c5ba7d24b91fba65400803cc0d3ebf732bf5e4592a59365c365b7fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9dbee6aeed288db7bd0fb3b20df9791476638a93482356fd40e98fef85655259
[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" "9dbee6aeed288db7bd0fb3b20df9791476638a93482356fd40e98fef85655259", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling scheme v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `car`
[INFO] [stdout]   --> main.rs:52:24
[INFO] [stdout]    |
[INFO] [stdout] 52 |             SExp::Cons(ref car, ref cdr) => {
[INFO] [stdout]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_car`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cdr`
[INFO] [stdout]   --> main.rs:52:33
[INFO] [stdout]    |
[INFO] [stdout] 52 |             SExp::Cons(ref car, ref cdr) => {
[INFO] [stdout]    |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cdr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Nil`
[INFO] [stdout]  --> main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Nil,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Cons`
[INFO] [stdout]  --> main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Cons(Box<SExp>, Box<SExp>),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Int`
[INFO] [stdout]   --> main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Int(i64),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Float`
[INFO] [stdout]   --> main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Float(f64),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Sym`
[INFO] [stdout]   --> main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Sym(String),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `nil`
[INFO] [stdout]   --> main.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn nil() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cons`
[INFO] [stdout]   --> main.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn cons(car: LispVal, cdr: LispVal) -> Self {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `int`
[INFO] [stdout]   --> main.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn int(x: i64) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `float`
[INFO] [stdout]   --> main.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn float(x: f64) -> Self {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sym`
[INFO] [stdout]   --> main.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn sym(s: &str) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "9dbee6aeed288db7bd0fb3b20df9791476638a93482356fd40e98fef85655259", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dbee6aeed288db7bd0fb3b20df9791476638a93482356fd40e98fef85655259", kill_on_drop: false }`
[INFO] [stdout] 9dbee6aeed288db7bd0fb3b20df9791476638a93482356fd40e98fef85655259
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 158dd3108044d91a2eaf7fde8a29367e989548dbaa4239b5612cd5b4a51dfac7
[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" "158dd3108044d91a2eaf7fde8a29367e989548dbaa4239b5612cd5b4a51dfac7", kill_on_drop: false }`
[INFO] [stderr]    Compiling scheme v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `car`
[INFO] [stdout]   --> main.rs:52:24
[INFO] [stdout]    |
[INFO] [stdout] 52 |             SExp::Cons(ref car, ref cdr) => {
[INFO] [stdout]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_car`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cdr`
[INFO] [stdout]   --> main.rs:52:33
[INFO] [stdout]    |
[INFO] [stdout] 52 |             SExp::Cons(ref car, ref cdr) => {
[INFO] [stdout]    |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cdr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Nil`
[INFO] [stdout]  --> main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Nil,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Cons`
[INFO] [stdout]  --> main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Cons(Box<SExp>, Box<SExp>),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Int`
[INFO] [stdout]   --> main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Int(i64),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Float`
[INFO] [stdout]   --> main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Float(f64),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Sym`
[INFO] [stdout]   --> main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Sym(String),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `nil`
[INFO] [stdout]   --> main.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn nil() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cons`
[INFO] [stdout]   --> main.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn cons(car: LispVal, cdr: LispVal) -> Self {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `int`
[INFO] [stdout]   --> main.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn int(x: i64) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `float`
[INFO] [stdout]   --> main.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn float(x: f64) -> Self {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sym`
[INFO] [stdout]   --> main.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn sym(s: &str) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "158dd3108044d91a2eaf7fde8a29367e989548dbaa4239b5612cd5b4a51dfac7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "158dd3108044d91a2eaf7fde8a29367e989548dbaa4239b5612cd5b4a51dfac7", kill_on_drop: false }`
[INFO] [stdout] 158dd3108044d91a2eaf7fde8a29367e989548dbaa4239b5612cd5b4a51dfac7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c59155687b319a950949852c2547d0d695b13ff1a649479be75e63d77727fec1
[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" "c59155687b319a950949852c2547d0d695b13ff1a649479be75e63d77727fec1", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `car`
[INFO] [stderr]   --> main.rs:52:24
[INFO] [stderr]    |
[INFO] [stderr] 52 |             SExp::Cons(ref car, ref cdr) => {
[INFO] [stderr]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_car`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cdr`
[INFO] [stderr]   --> main.rs:52:33
[INFO] [stderr]    |
[INFO] [stderr] 52 |             SExp::Cons(ref car, ref cdr) => {
[INFO] [stderr]    |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cdr`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Nil`
[INFO] [stderr]  --> main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Nil,
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Cons`
[INFO] [stderr]  --> main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Cons(Box<SExp>, Box<SExp>),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Int`
[INFO] [stderr]   --> main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Int(i64),
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Float`
[INFO] [stderr]   --> main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Float(f64),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Sym`
[INFO] [stderr]   --> main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Sym(String),
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `nil`
[INFO] [stderr]   --> main.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn nil() -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `cons`
[INFO] [stderr]   --> main.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn cons(car: LispVal, cdr: LispVal) -> Self {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `int`
[INFO] [stderr]   --> main.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn int(x: i64) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `float`
[INFO] [stderr]   --> main.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn float(x: f64) -> Self {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `sym`
[INFO] [stderr]   --> main.rs:33:8
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn sym(s: &str) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/scheme-14af5b5f9b6b90cc
[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" "c59155687b319a950949852c2547d0d695b13ff1a649479be75e63d77727fec1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c59155687b319a950949852c2547d0d695b13ff1a649479be75e63d77727fec1", kill_on_drop: false }`
[INFO] [stdout] c59155687b319a950949852c2547d0d695b13ff1a649479be75e63d77727fec1