[INFO] cloning repository https://github.com/DemarcatedTitle/replicate.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DemarcatedTitle/replicate.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDemarcatedTitle%2Freplicate.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDemarcatedTitle%2Freplicate.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da5076833539dd90fa70f125850b5a2baa6d8cd2
[INFO] testing DemarcatedTitle/replicate.rs against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDemarcatedTitle%2Freplicate.rs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DemarcatedTitle/replicate.rs on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DemarcatedTitle/replicate.rs
[INFO] finished tweaking git repo https://github.com/DemarcatedTitle/replicate.rs
[INFO] tweaked toml for git repo https://github.com/DemarcatedTitle/replicate.rs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/DemarcatedTitle/replicate.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ec4703fda2d2f258f2e813d4c159df0db6ddba1af2f70883125bd6069279ad5
[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" "2ec4703fda2d2f258f2e813d4c159df0db6ddba1af2f70883125bd6069279ad5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ec4703fda2d2f258f2e813d4c159df0db6ddba1af2f70883125bd6069279ad5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ec4703fda2d2f258f2e813d4c159df0db6ddba1af2f70883125bd6069279ad5", kill_on_drop: false }`
[INFO] [stdout] 2ec4703fda2d2f258f2e813d4c159df0db6ddba1af2f70883125bd6069279ad5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 425f9a7d6bda8b24c5f6b2ea2ae5907d4ae07ed6a57bbb13e3b654f53ae55c5d
[INFO] running `Command { std: "docker" "start" "-a" "425f9a7d6bda8b24c5f6b2ea2ae5907d4ae07ed6a57bbb13e3b654f53ae55c5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling proc-macro2 v0.4.26
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling safe-transmute v0.10.1
[INFO] [stderr]    Compiling num_cpus v1.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling deflate v0.7.19
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling png v0.14.0
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]    Compiling tiff v0.2.1
[INFO] [stderr]    Compiling image v0.21.0
[INFO] [stderr]    Compiling replicate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `usize`
[INFO] [stdout]   --> src/lib.rs:48:14
[INFO] [stdout]    |
[INFO] [stdout] 48 |         Some(usize) => {
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_usize`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.09s
[INFO] running `Command { std: "docker" "inspect" "425f9a7d6bda8b24c5f6b2ea2ae5907d4ae07ed6a57bbb13e3b654f53ae55c5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "425f9a7d6bda8b24c5f6b2ea2ae5907d4ae07ed6a57bbb13e3b654f53ae55c5d", kill_on_drop: false }`
[INFO] [stdout] 425f9a7d6bda8b24c5f6b2ea2ae5907d4ae07ed6a57bbb13e3b654f53ae55c5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cc059d2568802a1da901af24a31433327c0db8d5c5dc9dcd6832281ea2c1081a
[INFO] running `Command { std: "docker" "start" "-a" "cc059d2568802a1da901af24a31433327c0db8d5c5dc9dcd6832281ea2c1081a", kill_on_drop: false }`
[INFO] [stderr]    Compiling replicate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `usize`
[INFO] [stdout]   --> src/lib.rs:48:14
[INFO] [stdout]    |
[INFO] [stdout] 48 |         Some(usize) => {
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_usize`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `usize`
[INFO] [stdout]   --> src/lib.rs:48:14
[INFO] [stdout]    |
[INFO] [stdout] 48 |         Some(usize) => {
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_usize`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "cc059d2568802a1da901af24a31433327c0db8d5c5dc9dcd6832281ea2c1081a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc059d2568802a1da901af24a31433327c0db8d5c5dc9dcd6832281ea2c1081a", kill_on_drop: false }`
[INFO] [stdout] cc059d2568802a1da901af24a31433327c0db8d5c5dc9dcd6832281ea2c1081a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4f8357cc6a3e4b83e7b792417639a2bae4df97c91ddb2dbcd22d20bc0e3ce4f2
[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" "4f8357cc6a3e4b83e7b792417639a2bae4df97c91ddb2dbcd22d20bc0e3ce4f2", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `usize`
[INFO] [stderr]   --> src/lib.rs:48:14
[INFO] [stderr]    |
[INFO] [stderr] 48 |         Some(usize) => {
[INFO] [stderr]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_usize`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `usize`
[INFO] [stderr]   --> src/lib.rs:48:14
[INFO] [stderr]    |
[INFO] [stderr] 48 |         Some(usize) => {
[INFO] [stderr]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_usize`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/replicate-ace4350192f79444)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/replicate-ab52c9321ef8fafa)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests replicate
[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] [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" "4f8357cc6a3e4b83e7b792417639a2bae4df97c91ddb2dbcd22d20bc0e3ce4f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f8357cc6a3e4b83e7b792417639a2bae4df97c91ddb2dbcd22d20bc0e3ce4f2", kill_on_drop: false }`
[INFO] [stdout] 4f8357cc6a3e4b83e7b792417639a2bae4df97c91ddb2dbcd22d20bc0e3ce4f2