[INFO] fetching crate sfmt 0.6.0...
[INFO] building sfmt-0.6.0 against try#d5c88c22807925c189328ef9d923c5d2b11a95b8+rustflags=-Zprofile-closures for pr-87066-3
[INFO] extracting crate sfmt 0.6.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate sfmt 0.6.0 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sfmt 0.6.0
[INFO] finished tweaking crates.io crate sfmt 0.6.0
[INFO] tweaked toml for crates.io crate sfmt 0.6.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "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] a58435dfb206121c89c0210ff1af14497381d82afc88e089582bab1b6a90b0e0
[INFO] running `Command { std: "docker" "start" "-a" "a58435dfb206121c89c0210ff1af14497381d82afc88e089582bab1b6a90b0e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a58435dfb206121c89c0210ff1af14497381d82afc88e089582bab1b6a90b0e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a58435dfb206121c89c0210ff1af14497381d82afc88e089582bab1b6a90b0e0", kill_on_drop: false }`
[INFO] [stdout] a58435dfb206121c89c0210ff1af14497381d82afc88e089582bab1b6a90b0e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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 -Zprofile-closures" "-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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "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] 5f633ce1408c5d987b5c83e843d4694e48420c35026dee3672090d1483d3a32e
[INFO] running `Command { std: "docker" "start" "-a" "5f633ce1408c5d987b5c83e843d4694e48420c35026dee3672090d1483d3a32e", kill_on_drop: false }`
[INFO] [stderr] SG_CR_Eslkdjf: build_script_build, (7e386289983c9262, 898826c752d3da08), 0, 0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr] SG_CR_Eslkdjf: getrandom, (a43daf960ff76999, 308b75694c480632), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: getrandom, (684b289145a3754c, e13df643e12c9dc6), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: getrandom, (81f534a826306ad4, b49a201f2b205726), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: getrandom, (fa0a53ed8ebac702, f24572632fcd700e), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: getrandom, (246debdf72400b3c, e2d68a8025b42056), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: getrandom, (aad03172f1f05113, 923c2b8d898b1cb4), 8, 8
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr] SG_CR_Eslkdjf: rand_core, (ebd6cab3a0b61cac, d5dcaf3fe1620805), 0, 0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr] SG_CR_Eslkdjf: rand, (70de4c5251967c80, dcd5b6606d33e705), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: rand, (efd44e82672c5f46, f831a3f622cda0ac), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: rand, (778605eb457033a3, 5d7c3e45b6b50f8d), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: rand, (77b5c5014d4af4d5, d64061b17dd69344), 8, 24
[INFO] [stderr] SG_CR_Eslkdjf: rand, (380fea3ee0699772, 70adf088e2e55bec), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: rand, (971e5bcd65c854ed, 7da9178931f46b58), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: rand, (3f1f67c437c3a11, 7f0cba0618a62bdf), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: rand, (b9b3fcea1d49d0b2, f9709c56bc783c28), 0, 0
[INFO] [stderr]    Compiling sfmt v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/packed.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     ::std::mem::replace(vals, updated);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] SG_CR_Eslkdjf: sfmt, (dad60c2807986071, 164bbb0246b6a186), 0, 0
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.48s
[INFO] running `Command { std: "docker" "inspect" "5f633ce1408c5d987b5c83e843d4694e48420c35026dee3672090d1483d3a32e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f633ce1408c5d987b5c83e843d4694e48420c35026dee3672090d1483d3a32e", kill_on_drop: false }`
[INFO] [stdout] 5f633ce1408c5d987b5c83e843d4694e48420c35026dee3672090d1483d3a32e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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 -Zprofile-closures" "-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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86094b02f3e732749f68cec34ace7f2bc89325c60193d70698b018ec74115b19
[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" "86094b02f3e732749f68cec34ace7f2bc89325c60193d70698b018ec74115b19", kill_on_drop: false }`
[INFO] [stderr] SG_CR_Eslkdjf: build_script_build, (7e386289983c9262, 898826c752d3da08), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: getrandom, (a43daf960ff76999, 308b75694c480632), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: getrandom, (684b289145a3754c, e13df643e12c9dc6), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: getrandom, (81f534a826306ad4, b49a201f2b205726), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: getrandom, (fa0a53ed8ebac702, f24572632fcd700e), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: getrandom, (246debdf72400b3c, e2d68a8025b42056), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: getrandom, (aad03172f1f05113, 923c2b8d898b1cb4), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: rand_core, (ebd6cab3a0b61cac, d5dcaf3fe1620805), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: rand, (70de4c5251967c80, dcd5b6606d33e705), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: rand, (efd44e82672c5f46, f831a3f622cda0ac), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: rand, (778605eb457033a3, 5d7c3e45b6b50f8d), 0, 0
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/packed.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     ::std::mem::replace(vals, updated);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] SG_CR_Eslkdjf: rand, (77b5c5014d4af4d5, d64061b17dd69344), 8, 24
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] SG_CR_Eslkdjf: rand, (380fea3ee0699772, 70adf088e2e55bec), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: rand, (971e5bcd65c854ed, 7da9178931f46b58), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: rand, (3f1f67c437c3a11, 7f0cba0618a62bdf), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: rand, (b9b3fcea1d49d0b2, f9709c56bc783c28), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: sfmt, (dad60c2807986071, 164bbb0246b6a186), 0, 0
[INFO] [stderr]    Compiling sfmt v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr] SG_CR_Eslkdjf: sfmt, (44cfb3f7b6366f8a, 67740a7c5575bde2), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: thread_rng, (a631181d755fbc14, 79dd43888e6ba6cf), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: sfmt, (9149e970ec9e3dd7, 6fd18b5483c235b1), 0, 0
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/packed.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     ::std::mem::replace(vals, updated);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] SG_CR_Eslkdjf: sfmt, (a68b4b4adb1ffb95, ba85b174f09cb5e9), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: sfmt, (7f9dc4643cc992d1, 4eb729e2fb430d53), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: sfmt, (19936d51030e7f0, 11b9dc4f0930633b), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: sfmt, (68a558cbdd091801, df72d92da381ef8f), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: sfmt, (42d42f557c4507e5, ca7880ace203a4cd), 0, 0
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "86094b02f3e732749f68cec34ace7f2bc89325c60193d70698b018ec74115b19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86094b02f3e732749f68cec34ace7f2bc89325c60193d70698b018ec74115b19", kill_on_drop: false }`
[INFO] [stdout] 86094b02f3e732749f68cec34ace7f2bc89325c60193d70698b018ec74115b19