[INFO] fetching crate exact-conv 0.2.1...
[INFO] testing exact-conv-0.2.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate exact-conv 0.2.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate exact-conv 0.2.1 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate exact-conv 0.2.1
[INFO] finished tweaking crates.io crate exact-conv 0.2.1
[INFO] tweaked toml for crates.io crate exact-conv 0.2.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate exact-conv 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", 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] 8d5f21af1567112b5f0eb181aef74c6243aad37da1fdc1e4fa4b481a6bbd3f5b
[INFO] running `Command { std: "docker" "start" "-a" "8d5f21af1567112b5f0eb181aef74c6243aad37da1fdc1e4fa4b481a6bbd3f5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d5f21af1567112b5f0eb181aef74c6243aad37da1fdc1e4fa4b481a6bbd3f5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d5f21af1567112b5f0eb181aef74c6243aad37da1fdc1e4fa4b481a6bbd3f5b", kill_on_drop: false }`
[INFO] [stdout] 8d5f21af1567112b5f0eb181aef74c6243aad37da1fdc1e4fa4b481a6bbd3f5b
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] adbcc639199b53c309acbdf7e78f6d7d22db7c308708a154977f759eb4691048
[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" "adbcc639199b53c309acbdf7e78f6d7d22db7c308708a154977f759eb4691048", kill_on_drop: false }`
[INFO] [stderr]    Compiling exact-conv v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "adbcc639199b53c309acbdf7e78f6d7d22db7c308708a154977f759eb4691048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adbcc639199b53c309acbdf7e78f6d7d22db7c308708a154977f759eb4691048", kill_on_drop: false }`
[INFO] [stdout] adbcc639199b53c309acbdf7e78f6d7d22db7c308708a154977f759eb4691048
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ed70115a2bca33ea9ac50b08f1250f9858be025d23f9c5c396013ce33443456
[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" "2ed70115a2bca33ea9ac50b08f1250f9858be025d23f9c5c396013ce33443456", kill_on_drop: false }`
[INFO] [stderr]    Compiling exact-conv v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `int_bits_const` has been stable since 1.53.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> examples/ieee754.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(int_bits_const)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` 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 1.48s
[INFO] running `Command { std: "docker" "inspect" "2ed70115a2bca33ea9ac50b08f1250f9858be025d23f9c5c396013ce33443456", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ed70115a2bca33ea9ac50b08f1250f9858be025d23f9c5c396013ce33443456", kill_on_drop: false }`
[INFO] [stdout] 2ed70115a2bca33ea9ac50b08f1250f9858be025d23f9c5c396013ce33443456
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fb7af189874b8a3ef66355dd4fedcadb95e4cf5e03a6eb93926c5a95a97f4ecd
[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" "fb7af189874b8a3ef66355dd4fedcadb95e4cf5e03a6eb93926c5a95a97f4ecd", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: the feature `int_bits_const` has been stable since 1.53.0 and no longer requires an attribute to enable
[INFO] [stdout] running 9 tests
[INFO] [stderr]  --> examples/ieee754.rs:1:12
[INFO] [stdout] test tests::f32_to_signed ... ok
[INFO] [stderr]   |
[INFO] [stdout] test tests::f32_to_unsigned ... ok
[INFO] [stderr] 1 | #![feature(int_bits_const)]
[INFO] [stdout] test tests::f32_to_unsigned_overflow ... ok
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] test tests::f64_to_signed_overflow ... ok
[INFO] [stderr]   |
[INFO] [stdout] test tests::f64_to_unsigned ... ok
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] test tests::f64_to_signed ... ok
[INFO] [stderr] 
[INFO] [stdout] test tests::inexact ... ok
[INFO] [stderr] warning: `exact-conv` (example "ieee754") generated 1 warning
[INFO] [stdout] test tests::f64_to_unsigned_overflow ... ok
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/exact_conv-7a3229591d81d716)
[INFO] [stdout] test tests::f32_to_signed_overflow ... ok
[INFO] [stderr]    Doc-tests exact-conv
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "fb7af189874b8a3ef66355dd4fedcadb95e4cf5e03a6eb93926c5a95a97f4ecd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb7af189874b8a3ef66355dd4fedcadb95e4cf5e03a6eb93926c5a95a97f4ecd", kill_on_drop: false }`
[INFO] [stdout] fb7af189874b8a3ef66355dd4fedcadb95e4cf5e03a6eb93926c5a95a97f4ecd