[INFO] fetching crate cast 0.2.3...
[INFO] testing cast-0.2.3 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate cast 0.2.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate cast 0.2.3 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cast 0.2.3
[INFO] finished tweaking crates.io crate cast 0.2.3
[INFO] tweaked toml for crates.io crate cast 0.2.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6a4ee867a9ba7496f984cfa762176d99741a6b4173a28c1eec01ea65622d4e2
[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" "a6a4ee867a9ba7496f984cfa762176d99741a6b4173a28c1eec01ea65622d4e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6a4ee867a9ba7496f984cfa762176d99741a6b4173a28c1eec01ea65622d4e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6a4ee867a9ba7496f984cfa762176d99741a6b4173a28c1eec01ea65622d4e2", kill_on_drop: false }`
[INFO] [stdout] a6a4ee867a9ba7496f984cfa762176d99741a6b4173a28c1eec01ea65622d4e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 241086f9dcd7ac9cdbee66f33cd7444355b46f70f481badf79352749a9291759
[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" "241086f9dcd7ac9cdbee66f33cd7444355b46f70f481badf79352749a9291759", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling cast v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.57s
[INFO] running `Command { std: "docker" "inspect" "241086f9dcd7ac9cdbee66f33cd7444355b46f70f481badf79352749a9291759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "241086f9dcd7ac9cdbee66f33cd7444355b46f70f481badf79352749a9291759", kill_on_drop: false }`
[INFO] [stdout] 241086f9dcd7ac9cdbee66f33cd7444355b46f70f481badf79352749a9291759
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] c33673259f2697ed82ddc3bc4f1e311f51049b1a94ef9985ab892f9ecfa6a4a7
[INFO] running `Command { std: "docker" "start" "-a" "c33673259f2697ed82ddc3bc4f1e311f51049b1a94ef9985ab892f9ecfa6a4a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling cast v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 18.59s
[INFO] running `Command { std: "docker" "inspect" "c33673259f2697ed82ddc3bc4f1e311f51049b1a94ef9985ab892f9ecfa6a4a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c33673259f2697ed82ddc3bc4f1e311f51049b1a94ef9985ab892f9ecfa6a4a7", kill_on_drop: false }`
[INFO] [stdout] c33673259f2697ed82ddc3bc4f1e311f51049b1a94ef9985ab892f9ecfa6a4a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7fafcc86b862b94d653c93402a04744fe2fcc14de5b515abe23894acc0c2376f
[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" "7fafcc86b862b94d653c93402a04744fe2fcc14de5b515abe23894acc0c2376f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cast-8c52ffa9eb313182
[INFO] [stdout] 
[INFO] [stdout] running 105 tests
[INFO] [stdout] test test::demoting_to::i16::from::f64 ... ok
[INFO] [stdout] test test::demoting_to::i16::from::isize ... ok
[INFO] [stdout] test test::demoting_to::i16::from::i64 ... ok
[INFO] [stdout] test test::demoting_to::i16::from::i32 ... ok
[INFO] [stdout] test test::demoting_to::i32::from::f32 ... ok
[INFO] [stdout] test test::demoting_to::i16::from::f32 ... ok
[INFO] [stdout] test test::demoting_to::i8::from::f64 ... ok
[INFO] [stdout] test test::demoting_to::i32::from::f64 ... ok
[INFO] [stdout] test test::demoting_to::i64::from::f32 ... ok
[INFO] [stdout] test test::demoting_to::i32::from::i64 ... ok
[INFO] [stdout] test test::demoting_to::i8::from::f32 ... ok
[INFO] [stdout] test test::demoting_to::i8::from::i32 ... ok
[INFO] [stdout] test test::demoting_to::i8::from::i16 ... ok
[INFO] [stdout] test test::demoting_to::i64::from::f64 ... ok
[INFO] [stdout] test test::demoting_to::i32::from::isize ... ok
[INFO] [stdout] test test::demoting_to::isize::from::f32 ... ok
[INFO] [stdout] test test::demoting_to::i8::from::isize ... ok
[INFO] [stdout] test test::demoting_to::i8::from::i64 ... ok
[INFO] [stdout] test test::demoting_to::u16::from::f32 ... ok
[INFO] [stdout] test test::demoting_to::u16::from::f64 ... ok
[INFO] [stdout] test test::demoting_to::u16::from::isize ... ok
[INFO] [stdout] test test::demoting_to::u16::from::u32 ... ok
[INFO] [stdout] test test::demoting_to::u16::from::u64 ... ok
[INFO] [stdout] test test::demoting_to::u16::from::i64 ... ok
[INFO] [stdout] test test::demoting_to::isize::from::f64 ... ok
[INFO] [stdout] test test::demoting_to::u16::from::i32 ... ok
[INFO] [stdout] test test::demoting_to::u32::from::f64 ... ok
[INFO] [stdout] test test::demoting_to::u16::from::usize ... ok
[INFO] [stdout] test test::demoting_to::u32::from::isize ... ok
[INFO] [stdout] test test::demoting_to::u32::from::usize ... ok
[INFO] [stdout] test test::demoting_to::u32::from::u64 ... ok
[INFO] [stdout] test test::demoting_to::u32::from::f32 ... ok
[INFO] [stdout] test test::demoting_to::u8::from::i16 ... ok
[INFO] [stdout] test test::f32::inf::to::i16 ... ok
[INFO] [stdout] test test::demoting_to::u32::from::i64 ... ok
[INFO] [stdout] test test::demoting_to::u8::from::f64 ... ok
[INFO] [stdout] test test::demoting_to::u64::from::f64 ... ok
[INFO] [stdout] test test::demoting_to::u8::from::f32 ... ok
[INFO] [stdout] test test::demoting_to::u8::from::i64 ... ok
[INFO] [stdout] test test::f32::inf::to::i8 ... ok
[INFO] [stdout] test test::f32::inf::to::isize ... ok
[INFO] [stdout] test test::f32::inf::to::i32 ... ok
[INFO] [stdout] test test::demoting_to::u8::from::u32 ... ok
[INFO] [stdout] test test::f32::inf::to::i64 ... ok
[INFO] [stdout] test test::demoting_to::usize::from::f64 ... ok
[INFO] [stdout] test test::demoting_to::u8::from::u64 ... ok
[INFO] [stdout] test test::demoting_to::u64::from::f32 ... ok
[INFO] [stdout] test test::demoting_to::u8::from::usize ... ok
[INFO] [stdout] test test::f32::nan::to::i16 ... ok
[INFO] [stdout] test test::f32::nan::to::i32 ... ok
[INFO] [stdout] test test::f32::inf::to::usize ... ok
[INFO] [stdout] test test::f32::nan::to::i8 ... ok
[INFO] [stdout] test test::f32::inf::to::u32 ... ok
[INFO] [stdout] test test::f32::inf::to::u64 ... ok
[INFO] [stdout] test test::f32::inf::to::u8 ... ok
[INFO] [stdout] test test::demoting_to::u8::from::isize ... ok
[INFO] [stdout] test test::demoting_to::usize::from::f32 ... ok
[INFO] [stdout] test test::f32::nan::to::i64 ... ok
[INFO] [stdout] test test::f32::nan::to::isize ... ok
[INFO] [stdout] test test::f32::nan::to::u16 ... ok
[INFO] [stdout] test test::f32::inf::to::u16 ... ok
[INFO] [stdout] test test::f32::nan::to::u32 ... ok
[INFO] [stdout] test test::demoting_to::u8::from::i32 ... ok
[INFO] [stdout] test test::f32::nan::to::u8 ... ok
[INFO] [stdout] test test::f64::inf::to::i64 ... ok
[INFO] [stdout] test test::f64::inf::to::u8 ... ok
[INFO] [stdout] test test::f64::inf::to::i32 ... ok
[INFO] [stdout] test test::f32::nan::to::usize ... ok
[INFO] [stdout] test test::f64::inf::to::u32 ... ok
[INFO] [stdout] test test::f64::inf::to::i16 ... ok
[INFO] [stdout] test test::f64::inf::to::u64 ... ok
[INFO] [stdout] test test::f64::inf::to::i8 ... ok
[INFO] [stdout] test test::f64::inf::to::u16 ... ok
[INFO] [stdout] test test::f32::nan::to::u64 ... ok
[INFO] [stdout] test test::f64::inf::to::isize ... ok
[INFO] [stdout] test test::demoting_to::u8::from::u16 ... ok
[INFO] [stdout] test test::f64::inf::to::usize ... ok
[INFO] [stdout] test test::gh16 ... ok
[INFO] [stdout] test test::f64::nan::to::u8 ... ok
[INFO] [stdout] test test::f64::nan::to::u32 ... ok
[INFO] [stdout] test test::f64::nan::to::i8 ... ok
[INFO] [stdout] test test::symmetric_cast_between::u32::and::i8 ... ok
[INFO] [stdout] test test::symmetric_cast_between::u64::and::i16 ... ok
[INFO] [stdout] test test::symmetric_cast_between::u64::and::i32 ... ok
[INFO] [stdout] test test::f64::nan::to::i16 ... ok
[INFO] [stdout] test test::f64::nan::to::u16 ... ok
[INFO] [stdout] test test::f64::nan::to::usize ... ok
[INFO] [stdout] test test::f64::nan::to::u64 ... ok
[INFO] [stdout] test test::f64::nan::to::i32 ... ok
[INFO] [stdout] test test::f64::nan::to::i64 ... ok
[INFO] [stdout] test test::gh15 ... ok
[INFO] [stdout] test test::f64::nan::to::isize ... ok
[INFO] [stdout] test test::symmetric_cast_between::u64::and::i64 ... ok
[INFO] [stdout] test test::symmetric_cast_between::u32::and::i32 ... ok
[INFO] [stdout] test test::symmetric_cast_between::u16::and::i16 ... ok
[INFO] [stdout] test test::symmetric_cast_between::u16::and::i8 ... ok
[INFO] [stdout] test test::symmetric_cast_between::u32::and::i16 ... ok
[INFO] [stdout] test test::symmetric_cast_between::usize::and::i16 ... ok
[INFO] [stdout] test test::symmetric_cast_between::u64::and::i8 ... ok
[INFO] [stdout] test test::symmetric_cast_between::u64::and::isize ... ok
[INFO] [stdout] test test::symmetric_cast_between::usize::and::i32 ... ok
[INFO] [stdout] test test::symmetric_cast_between::u8::and::i8 ... ok
[INFO] [stdout] test test::symmetric_cast_between::usize::and::i64 ... ok
[INFO] [stdout] test test::symmetric_cast_between::usize::and::isize ... ok
[INFO] [stdout] test test::symmetric_cast_between::usize::and::i8 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 105 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cast
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 49) ... ok
[INFO] [stdout] test src/lib.rs - (line 65) ... ok
[INFO] [stdout] test src/lib.rs - (line 30) ... ok
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7fafcc86b862b94d653c93402a04744fe2fcc14de5b515abe23894acc0c2376f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fafcc86b862b94d653c93402a04744fe2fcc14de5b515abe23894acc0c2376f", kill_on_drop: false }`
[INFO] [stdout] 7fafcc86b862b94d653c93402a04744fe2fcc14de5b515abe23894acc0c2376f