[INFO] cloning repository https://github.com/kinodjnz/cp-snippet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kinodjnz/cp-snippet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkinodjnz%2Fcp-snippet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkinodjnz%2Fcp-snippet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b2991f1909a0aa4712f7b56a0615781fc7433da3
[INFO] testing kinodjnz/cp-snippet against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkinodjnz%2Fcp-snippet" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kinodjnz/cp-snippet
[INFO] finished tweaking git repo https://github.com/kinodjnz/cp-snippet
[INFO] tweaked toml for git repo https://github.com/kinodjnz/cp-snippet written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kinodjnz/cp-snippet on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kinodjnz/cp-snippet already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing kinodjnz/cp-snippet against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkinodjnz%2Fcp-snippet" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kinodjnz/cp-snippet
[INFO] finished tweaking git repo https://github.com/kinodjnz/cp-snippet
[INFO] tweaked toml for git repo https://github.com/kinodjnz/cp-snippet written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kinodjnz/cp-snippet on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kinodjnz/cp-snippet already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing kinodjnz/cp-snippet against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkinodjnz%2Fcp-snippet" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kinodjnz/cp-snippet
[INFO] finished tweaking git repo https://github.com/kinodjnz/cp-snippet
[INFO] tweaked toml for git repo https://github.com/kinodjnz/cp-snippet written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kinodjnz/cp-snippet on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kinodjnz/cp-snippet already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing kinodjnz/cp-snippet against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkinodjnz%2Fcp-snippet" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kinodjnz/cp-snippet
[INFO] finished tweaking git repo https://github.com/kinodjnz/cp-snippet
[INFO] tweaked toml for git repo https://github.com/kinodjnz/cp-snippet written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kinodjnz/cp-snippet on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kinodjnz/cp-snippet already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cargo-snippet v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98e51c896809446f8e0113ce02e444fa468215d085445278ddd78b059aa0df79
[INFO] running `Command { std: "docker" "start" "-a" "98e51c896809446f8e0113ce02e444fa468215d085445278ddd78b059aa0df79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98e51c896809446f8e0113ce02e444fa468215d085445278ddd78b059aa0df79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98e51c896809446f8e0113ce02e444fa468215d085445278ddd78b059aa0df79", kill_on_drop: false }`
[INFO] [stdout] 98e51c896809446f8e0113ce02e444fa468215d085445278ddd78b059aa0df79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 537393ba1cee5d50cbb17dd89f3579bf9f3435627719bec1f96f9217748dabff
[INFO] running `Command { std: "docker" "start" "-a" "537393ba1cee5d50cbb17dd89f3579bf9f3435627719bec1f96f9217748dabff", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-snippet v0.5.1
[INFO] [stderr]    Compiling cp-snippet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `GFOps` is never used
[INFO] [stdout]  --> src/gf.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | trait GFOps<T> {
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `GFn` is never used
[INFO] [stdout]   --> src/gf.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | trait GFn<T>: GFOps<T> + From<T> + Into<T> {
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GFp` is never constructed
[INFO] [stdout]    --> src/gf.rs:164:5
[INFO] [stdout]     |
[INFO] [stdout] 164 | GF!(GFp, 1000000007, i64);
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `GF` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `WrappingAddSigned` is never used
[INFO] [stdout]   --> src/wrapping_add_signed.rs:30:15
[INFO] [stdout]    |
[INFO] [stdout] 30 |         trait WrappingAddSigned {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 | wrapping_add_signed!();
[INFO] [stdout]    | ---------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `wrapping_add_signed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/integer_indexed_vec.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<T> IntegerIndexedVec<T> {
[INFO] [stdout]    | ---------------------------- associated function in this implementation
[INFO] [stdout] 12 |     fn new(v: Vec<T>, offset: usize) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IntoIntegerIndexedVec` is never used
[INFO] [stdout]   --> src/integer_indexed_vec.rs:57:7
[INFO] [stdout]    |
[INFO] [stdout] 57 | trait IntoIntegerIndexedVec {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/integer_indexed_vec.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn iter(&self) -> std::slice::Iter<T> {
[INFO] [stdout]    |             ^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn iter(&self) -> std::slice::Iter<'_, T> {
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "537393ba1cee5d50cbb17dd89f3579bf9f3435627719bec1f96f9217748dabff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "537393ba1cee5d50cbb17dd89f3579bf9f3435627719bec1f96f9217748dabff", kill_on_drop: false }`
[INFO] [stdout] 537393ba1cee5d50cbb17dd89f3579bf9f3435627719bec1f96f9217748dabff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff2ed37974b29687abe34d8bb6ebc4df563af32bf3043082c22d14d42f4a9fd6
[INFO] running `Command { std: "docker" "start" "-a" "ff2ed37974b29687abe34d8bb6ebc4df563af32bf3043082c22d14d42f4a9fd6", kill_on_drop: false }`
[INFO] [stdout] warning: trait `GFOps` is never used
[INFO] [stdout]  --> src/gf.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | trait GFOps<T> {
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `GFn` is never used
[INFO] [stdout]   --> src/gf.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | trait GFn<T>: GFOps<T> + From<T> + Into<T> {
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GFp` is never constructed
[INFO] [stdout]    --> src/gf.rs:164:5
[INFO] [stdout]     |
[INFO] [stdout] 164 | GF!(GFp, 1000000007, i64);
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `GF` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `WrappingAddSigned` is never used
[INFO] [stdout]   --> src/wrapping_add_signed.rs:30:15
[INFO] [stdout]    |
[INFO] [stdout] 30 |         trait WrappingAddSigned {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 | wrapping_add_signed!();
[INFO] [stdout]    | ---------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `wrapping_add_signed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/integer_indexed_vec.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<T> IntegerIndexedVec<T> {
[INFO] [stdout]    | ---------------------------- associated function in this implementation
[INFO] [stdout] 12 |     fn new(v: Vec<T>, offset: usize) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IntoIntegerIndexedVec` is never used
[INFO] [stdout]   --> src/integer_indexed_vec.rs:57:7
[INFO] [stdout]    |
[INFO] [stdout] 57 | trait IntoIntegerIndexedVec {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cp-snippet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/integer_indexed_vec.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn iter(&self) -> std::slice::Iter<T> {
[INFO] [stdout]    |             ^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn iter(&self) -> std::slice::Iter<'_, T> {
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/integer_indexed_vec.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn iter(&self) -> std::slice::Iter<T> {
[INFO] [stdout]    |             ^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn iter(&self) -> std::slice::Iter<'_, T> {
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "ff2ed37974b29687abe34d8bb6ebc4df563af32bf3043082c22d14d42f4a9fd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff2ed37974b29687abe34d8bb6ebc4df563af32bf3043082c22d14d42f4a9fd6", kill_on_drop: false }`
[INFO] [stdout] ff2ed37974b29687abe34d8bb6ebc4df563af32bf3043082c22d14d42f4a9fd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 26ec9528c36a0991b6fbf1e47c2f457a97424c564d349b12cd36e3e4bb36f48b
[INFO] running `Command { std: "docker" "start" "-a" "26ec9528c36a0991b6fbf1e47c2f457a97424c564d349b12cd36e3e4bb36f48b", kill_on_drop: false }`
[INFO] [stderr] warning: trait `GFOps` is never used
[INFO] [stderr]  --> src/gf.rs:4:7
[INFO] [stderr]   |
[INFO] [stderr] 4 | trait GFOps<T> {
[INFO] [stderr]   |       ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait `GFn` is never used
[INFO] [stderr]   --> src/gf.rs:17:7
[INFO] [stderr]    |
[INFO] [stderr] 17 | trait GFn<T>: GFOps<T> + From<T> + Into<T> {
[INFO] [stderr]    |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `GFp` is never constructed
[INFO] [stderr]    --> src/gf.rs:164:5
[INFO] [stderr]     |
[INFO] [stderr] 164 | GF!(GFp, 1000000007, i64);
[INFO] [stderr]     |     ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `GF` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait `WrappingAddSigned` is never used
[INFO] [stderr]   --> src/wrapping_add_signed.rs:30:15
[INFO] [stderr]    |
[INFO] [stderr] 30 |         trait WrappingAddSigned {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 41 | wrapping_add_signed!();
[INFO] [stderr]    | ---------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `wrapping_add_signed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/integer_indexed_vec.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl<T> IntegerIndexedVec<T> {
[INFO] [stderr]    | ---------------------------- associated function in this implementation
[INFO] [stderr] 12 |     fn new(v: Vec<T>, offset: usize) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `IntoIntegerIndexedVec` is never used
[INFO] [stderr]   --> src/integer_indexed_vec.rs:57:7
[INFO] [stderr]    |
[INFO] [stderr] 57 | trait IntoIntegerIndexedVec {
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/integer_indexed_vec.rs:20:13
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn iter(&self) -> std::slice::Iter<T> {
[INFO] [stderr]    |             ^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |             |
[INFO] [stderr]    |             the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn iter(&self) -> std::slice::Iter<'_, T> {
[INFO] [stderr]    |                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: `cp-snippet` (lib) generated 7 warnings (run `cargo fix --lib -p cp-snippet` to apply 1 suggestion)
[INFO] [stderr] warning: `cp-snippet` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cp_snippet-097ff7774f62b1eb)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test wrapping_add_signed::test_wrapping_add_i64 ... ok
[INFO] [stdout] test gf::test_gf ... ok
[INFO] [stdout] test integer_indexed_vec::test_i32_indexed_vec ... ok
[INFO] [stderr]    Doc-tests cp_snippet
[INFO] [stdout] test wrapping_add_signed::test_wrapping_add_i32 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "26ec9528c36a0991b6fbf1e47c2f457a97424c564d349b12cd36e3e4bb36f48b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26ec9528c36a0991b6fbf1e47c2f457a97424c564d349b12cd36e3e4bb36f48b", kill_on_drop: false }`
[INFO] [stdout] 26ec9528c36a0991b6fbf1e47c2f457a97424c564d349b12cd36e3e4bb36f48b
