[INFO] fetching crate binomial-iter 0.1.0...
[INFO] testing binomial-iter-0.1.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate binomial-iter 0.1.0 into /workspace/builds/worker-45/source
[INFO] validating manifest of crates.io crate binomial-iter 0.1.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate binomial-iter 0.1.0
[INFO] finished tweaking crates.io crate binomial-iter 0.1.0
[INFO] tweaked toml for crates.io crate binomial-iter 0.1.0 written to /workspace/builds/worker-45/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c01dbb8d6846d9c915f1e340da69cc4302c6c245bc6faa38093b4225d1458907
[INFO] running `Command { std: "docker" "start" "-a" "c01dbb8d6846d9c915f1e340da69cc4302c6c245bc6faa38093b4225d1458907", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c01dbb8d6846d9c915f1e340da69cc4302c6c245bc6faa38093b4225d1458907", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c01dbb8d6846d9c915f1e340da69cc4302c6c245bc6faa38093b4225d1458907", kill_on_drop: false }`
[INFO] [stdout] c01dbb8d6846d9c915f1e340da69cc4302c6c245bc6faa38093b4225d1458907
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ce1cba9fdf7542efc54e786858d661e0a464e9e13264982c9d6cb2d7cfdcfcd
[INFO] running `Command { std: "docker" "start" "-a" "3ce1cba9fdf7542efc54e786858d661e0a464e9e13264982c9d6cb2d7cfdcfcd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling binomial-iter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "3ce1cba9fdf7542efc54e786858d661e0a464e9e13264982c9d6cb2d7cfdcfcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ce1cba9fdf7542efc54e786858d661e0a464e9e13264982c9d6cb2d7cfdcfcd", kill_on_drop: false }`
[INFO] [stdout] 3ce1cba9fdf7542efc54e786858d661e0a464e9e13264982c9d6cb2d7cfdcfcd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2129f9ef33833182f8e32e15160283dea901f58e73baa1a0c4ca65ed675f8afd
[INFO] running `Command { std: "docker" "start" "-a" "2129f9ef33833182f8e32e15160283dea901f58e73baa1a0c4ca65ed675f8afd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling binomial-iter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `n_iter`
[INFO] [stdout]  --> src/test.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn n_iter() {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` 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 1.18s
[INFO] running `Command { std: "docker" "inspect" "2129f9ef33833182f8e32e15160283dea901f58e73baa1a0c4ca65ed675f8afd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2129f9ef33833182f8e32e15160283dea901f58e73baa1a0c4ca65ed675f8afd", kill_on_drop: false }`
[INFO] [stdout] 2129f9ef33833182f8e32e15160283dea901f58e73baa1a0c4ca65ed675f8afd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d159898aa12623f32b2942bf6511de5cc5535752aae29fb1e1cd5ed334fd2bc9
[INFO] running `Command { std: "docker" "start" "-a" "d159898aa12623f32b2942bf6511de5cc5535752aae29fb1e1cd5ed334fd2bc9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: function is never used: `n_iter`
[INFO] [stderr]  --> src/test.rs:8:4
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn n_iter() {
[INFO] [stderr]   |    ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `binomial-iter` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/binomial_iter-d31a14ac9f3f1768)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests binomial-iter
[INFO] [stdout] test test::k_iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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" "d159898aa12623f32b2942bf6511de5cc5535752aae29fb1e1cd5ed334fd2bc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d159898aa12623f32b2942bf6511de5cc5535752aae29fb1e1cd5ed334fd2bc9", kill_on_drop: false }`
[INFO] [stdout] d159898aa12623f32b2942bf6511de5cc5535752aae29fb1e1cd5ed334fd2bc9