[INFO] updating cached repository https://github.com/nilern/pegasos
[INFO] running `"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"`
[INFO] [stderr] From https://github.com/nilern/pegasos
[INFO] [stderr]    6bb0f57..039b53e  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 039b53e7040b01ab4e444c54977c89faf2ae62be
[INFO] checking nilern/pegasos against try#89c05fd3cc6404a13e1bd71450c6132a2755fa4b for pr-69741
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilern%2Fpegasos" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nilern/pegasos on toolchain 89c05fd3cc6404a13e1bd71450c6132a2755fa4b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+89c05fd3cc6404a13e1bd71450c6132a2755fa4b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/nilern/pegasos
[INFO] finished tweaking git repo https://github.com/nilern/pegasos
[INFO] tweaked toml for git repo https://github.com/nilern/pegasos written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/nilern/pegasos already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+89c05fd3cc6404a13e1bd71450c6132a2755fa4b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "/opt/rustwide/cargo-home/bin/cargo" "+89c05fd3cc6404a13e1bd71450c6132a2755fa4b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 76a6053fdadc50091b1051e81499530cb0cbc6245bc64a3546b2e20db840137a
[INFO] running `"docker" "start" "-a" "76a6053fdadc50091b1051e81499530cb0cbc6245bc64a3546b2e20db840137a"`
[INFO] [stderr]     Checking structopt v0.3.11
[INFO] [stderr]     Checking pegasos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `Symbol`, `Vector`
[INFO] [stderr]  --> src/parser.rs:5:28
[INFO] [stderr]   |
[INFO] [stderr] 5 | use super::objects::{Pair, Symbol, Vector};
[INFO] [stderr]   |                            ^^^^^^  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable block in `if` expression
[INFO] [stderr]    --> src/refs.rs:201:29
[INFO] [stderr]     |
[INFO] [stderr] 201 |           if unimplemented!() {
[INFO] [stderr]     |  ____________----------------_^
[INFO] [stderr]     | |            |
[INFO] [stderr]     | |            any code following this expression is unreachable
[INFO] [stderr] 202 | |             // fits in 30/62 bits
[INFO] [stderr] 203 | |             Ok(Self(
[INFO] [stderr] 204 | |                 unsafe { mem::transmute::<_, usize>(n) } << Self::SHIFT | BaseTag::Flonum as usize
[INFO] [stderr] 205 | |             ))
[INFO] [stderr] 206 | |         } else {
[INFO] [stderr]     | |_________^ unreachable block in `if` expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/refs.rs:200:17
[INFO] [stderr]     |
[INFO] [stderr] 200 |     fn try_from(n: fsize) -> Result<Self, Self::Error> {
[INFO] [stderr]     |                 ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/refs.rs:251:20
[INFO] [stderr]     |
[INFO] [stderr] 251 |             Flonum(n) => unimplemented!(),
[INFO] [stderr]     |                    ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable block in `if` expression
[INFO] [stderr]    --> src/refs.rs:201:29
[INFO] [stderr]     |
[INFO] [stderr] 201 |           if unimplemented!() {
[INFO] [stderr]     |  ____________----------------_^
[INFO] [stderr]     | |            |
[INFO] [stderr]     | |            any code following this expression is unreachable
[INFO] [stderr] 202 | |             // fits in 30/62 bits
[INFO] [stderr] 203 | |             Ok(Self(
[INFO] [stderr] 204 | |                 unsafe { mem::transmute::<_, usize>(n) } << Self::SHIFT | BaseTag::Flonum as usize
[INFO] [stderr] 205 | |             ))
[INFO] [stderr] 206 | |         } else {
[INFO] [stderr]     | |_________^ unreachable block in `if` expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/refs.rs:200:17
[INFO] [stderr]     |
[INFO] [stderr] 200 |     fn try_from(n: fsize) -> Result<Self, Self::Error> {
[INFO] [stderr]     |                 ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/refs.rs:251:20
[INFO] [stderr]     |
[INFO] [stderr] 251 |             Flonum(n) => unimplemented!(),
[INFO] [stderr]     |                    ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `max_heap`
[INFO] [stderr]   --> src/gc.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     max_heap: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Binary`
[INFO] [stderr]   --> src/lexer.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     Binary = 0b10,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Octal`
[INFO] [stderr]   --> src/lexer.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     Octal = 0o10,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Hexadecimal`
[INFO] [stderr]   --> src/lexer.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     Hexadecimal = 0x10
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `identity_hash`
[INFO] [stderr]    --> src/objects.rs:207:5
[INFO] [stderr]     |
[INFO] [stderr] 207 |     identity_hash: usize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `identity_hash`
[INFO] [stderr]    --> src/objects.rs:227:5
[INFO] [stderr]     |
[INFO] [stderr] 227 |     pub fn identity_hash(&mut self) -> usize {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cons`
[INFO] [stderr]    --> src/objects.rs:563:5
[INFO] [stderr]     |
[INFO] [stderr] 563 |     pub fn cons(state: &mut State, car: Value, cdr: Value) -> Option<Self> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `remainder`
[INFO] [stderr]    --> src/objects.rs:576:5
[INFO] [stderr]     |
[INFO] [stderr] 576 |     pub fn remainder(&self) -> Value { self.0 }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ORef`
[INFO] [stderr]   --> src/refs.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     ORef = 0b01,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Flonum`
[INFO] [stderr]   --> src/refs.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     Flonum = 0b10,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Flonum`
[INFO] [stderr]   --> src/refs.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     Flonum(fsize),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `identity_hash`
[INFO] [stderr]    --> src/refs.rs:127:5
[INFO] [stderr]     |
[INFO] [stderr] 127 |     pub fn identity_hash(self) -> usize {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `identity_hash`
[INFO] [stderr]    --> src/refs.rs:321:5
[INFO] [stderr]     |
[INFO] [stderr] 321 |     pub fn identity_hash(self) -> usize { unsafe { (*self.as_ptr()).identity_hash() } }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `max_heap`
[INFO] [stderr]   --> src/gc.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     max_heap: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Binary`
[INFO] [stderr]   --> src/lexer.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     Binary = 0b10,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Octal`
[INFO] [stderr]   --> src/lexer.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     Octal = 0o10,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Hexadecimal`
[INFO] [stderr]   --> src/lexer.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     Hexadecimal = 0x10
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `remainder`
[INFO] [stderr]    --> src/objects.rs:576:5
[INFO] [stderr]     |
[INFO] [stderr] 576 |     pub fn remainder(&self) -> Value { self.0 }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ORef`
[INFO] [stderr]   --> src/refs.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     ORef = 0b01,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Flonum`
[INFO] [stderr]   --> src/refs.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     Flonum = 0b10,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Flonum`
[INFO] [stderr]   --> src/refs.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     Flonum(fsize),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.88s
[INFO] running `"docker" "inspect" "76a6053fdadc50091b1051e81499530cb0cbc6245bc64a3546b2e20db840137a"`
[INFO] running `"docker" "rm" "-f" "76a6053fdadc50091b1051e81499530cb0cbc6245bc64a3546b2e20db840137a"`
[INFO] [stdout] 76a6053fdadc50091b1051e81499530cb0cbc6245bc64a3546b2e20db840137a