[INFO] fetching crate hexponent 0.3.1...
[INFO] testing hexponent-0.3.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate hexponent 0.3.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate hexponent 0.3.1
[INFO] finished tweaking crates.io crate hexponent 0.3.1
[INFO] tweaked toml for crates.io crate hexponent 0.3.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate hexponent 0.3.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--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
[INFO] [stderr]      Locking 62 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.7.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57566b6967172c0f2dfbdafb50e302ed4d8344643bbd173781a3ab528d01bcb7
[INFO] running `Command { std: "docker" "start" "-a" "57566b6967172c0f2dfbdafb50e302ed4d8344643bbd173781a3ab528d01bcb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57566b6967172c0f2dfbdafb50e302ed4d8344643bbd173781a3ab528d01bcb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57566b6967172c0f2dfbdafb50e302ed4d8344643bbd173781a3ab528d01bcb7", kill_on_drop: false }`
[INFO] [stdout] 57566b6967172c0f2dfbdafb50e302ed4d8344643bbd173781a3ab528d01bcb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05a5ef55d1ed5ef6cd3a2d05fbf65606e64a94f5fb4c1de9007690cadf144c22
[INFO] running `Command { std: "docker" "start" "-a" "05a5ef55d1ed5ef6cd3a2d05fbf65606e64a94f5fb4c1de9007690cadf144c22", kill_on_drop: false }`
[INFO] [stderr]    Compiling hexponent v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "05a5ef55d1ed5ef6cd3a2d05fbf65606e64a94f5fb4c1de9007690cadf144c22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05a5ef55d1ed5ef6cd3a2d05fbf65606e64a94f5fb4c1de9007690cadf144c22", kill_on_drop: false }`
[INFO] [stdout] 05a5ef55d1ed5ef6cd3a2d05fbf65606e64a94f5fb4c1de9007690cadf144c22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27cd40ac43e8fc2ca354299e829466594be46c94275422dbb84bf90e68bc817d
[INFO] running `Command { std: "docker" "start" "-a" "27cd40ac43e8fc2ca354299e829466594be46c94275422dbb84bf90e68bc817d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling csv v1.4.0
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling hexponent v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `f64_to_string` is never used
[INFO] [stdout]    --> src/tests.rs:242:12
[INFO] [stdout]     |
[INFO] [stdout] 242 |     pub fn f64_to_string(f: f64) -> Result<Vec<u8>, ()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 13.03s
[INFO] running `Command { std: "docker" "inspect" "27cd40ac43e8fc2ca354299e829466594be46c94275422dbb84bf90e68bc817d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27cd40ac43e8fc2ca354299e829466594be46c94275422dbb84bf90e68bc817d", kill_on_drop: false }`
[INFO] [stdout] 27cd40ac43e8fc2ca354299e829466594be46c94275422dbb84bf90e68bc817d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8ffdf6a25a53607c4ccef6114a4cf0b504a629009a0c845645c69d5a6b76e06f
[INFO] running `Command { std: "docker" "start" "-a" "8ffdf6a25a53607c4ccef6114a4cf0b504a629009a0c845645c69d5a6b76e06f", kill_on_drop: false }`
[INFO] [stderr] warning: function `f64_to_string` is never used
[INFO] [stdout] 
[INFO] [stderr]    --> src/tests.rs:242:12
[INFO] [stdout] running 13 tests
[INFO] [stderr]     |
[INFO] [stderr] 242 |     pub fn f64_to_string(f: f64) -> Result<Vec<u8>, ()> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `hexponent` (lib test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/hexponent-6083f3e14c75b458)
[INFO] [stdout] test tests::test_error_indecies ... ok
[INFO] [stdout] test tests::test_exponents ... ok
[INFO] [stdout] test tests::test_fractions ... ok
[INFO] [stdout] test tests::test_subnormal ... ignored
[INFO] [stdout] test tests::test_imprecise_conversions ... ok
[INFO] [stdout] test tests::test_integers ... ok
[INFO] [stdout] test tests::test_zero ... ok
[INFO] [stdout] test tests::test_overflow_underflow ... ok
[INFO] [stdout] test tests::test_zero_trimming ... ok
[INFO] [stdout] test tests::test_incomplete ... ok
[INFO] [stdout] test tests::test_fuzzer_finds ... ok
[INFO] [stdout] test tests::rcc_tests ... ok
[INFO] [stdout] test tests::test_double_precision ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hexponent
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8ffdf6a25a53607c4ccef6114a4cf0b504a629009a0c845645c69d5a6b76e06f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ffdf6a25a53607c4ccef6114a4cf0b504a629009a0c845645c69d5a6b76e06f", kill_on_drop: false }`
[INFO] [stdout] 8ffdf6a25a53607c4ccef6114a4cf0b504a629009a0c845645c69d5a6b76e06f